JP2005034161A - Method for producing granular excrement-disposing material - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a granular excrement-disposing material having good absorption of urine excreted by human or animal and water holding properties, capable of being caked in contact with the excrements and being incinerated, moderating an odor and a color possessed by a dried sludge of wastes, and sanitarily and safely usable even in a room. <P>SOLUTION: The subject method for producing the granular excrement-disposing material comprises mixing a raw material of sewage sludge, dried sewage sludge, digested sludge, dried digested sludge, activated sludge, dried activated sludge, water purifying plant sludge, dried water purifying plant sludge, bentonite sludge, dried bentonite sludge or two or more thereof with a water absorbent resin to granulate and to form a granulated product having ≥1 mm grain size and drying the granulated product. By utilizing the sludge in this manner, the sludge such as sewage sludge can be utilized as the raw material sanitarily and safely usable even in the room and dispose of it after use can be facilitated. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to excrement disposal materials for humans and animals, and more particularly to granular excrement disposal materials for humans or animals such as cats and canines and other pet animals, and a method for producing the same. Sludge dried products, ie, paper sludge dried products, sewage sludge dried products, digested sludge dried products, activated sludge dried products, and other organic sludge dried products, and water purification plant sediment sludge, bentonite mud, etc. The present invention relates to a granular excrement disposal material for humans and animals, particularly cats and dogs, and other animals such as pets, and a method for producing the same.

Granular excrement disposal materials for animals such as domestic animals and pets, especially indoor excrement disposal materials, are made of sand, bentonite, zeolite, pulp for papermaking, pulp sludge, etc. Yes.
This kind of particulate excrement disposal material for pet animals is desired to be clean and hygienic because it is used indoors, for example. It is desirable to be easy to do. However, in the case of inorganic substances such as sand, zeolite, bentonite, etc., they are crushed and become dusty during use. Cannot be drained into sewage. Therefore, although the deodorizing effect is low and the price is high, the water-absorbing ability is excellent, and since it is a flammable material, a paper-making pulp and a small-sized molded product of paper powder are used.
JP 2000-116264 A JP-A-10-66466

  However, papermaking pulp and paper powder are relatively expensive as raw materials for excrement disposal materials, and are problematic. Therefore, other waste materials such as pulp waste materials for papermaking and sanitary ware waste materials having an absorber are used as raw materials for granular excrement disposal materials such as cat sand. However, these waste materials are also made into useful materials along with the development of usage, making it difficult to obtain them as waste materials.

On the other hand, sludge is increasing with the spread of sewerage, and some of it is used for compost, but its use as compost has reached its limit and it is difficult to dispose of it. Is considered indispensable and is a problem.
In the present invention, even if the raw material of the excrement disposal material is determined as waste, the waste material having water retention and water absorption is relatively useful, difficult to obtain, and provides an inexpensive excrement disposal material. It has been a problem.
An object of this invention is to solve the problem which concerns on the fall of the commercial value as an animal excrement disposal material by a waste material, and the problem regarding sludge treatment.

The present invention is a sludge dried product, that is, a paper sludge dried product, a sewage sludge dried product, a digested sludge dried product, an organic sludge dried product such as an activated sludge dried product, and an inorganic sludge such as a water purification plant sedimented mud and bentonite mud. The granulated product of the dried product is based on having water retention and water absorption.
The present invention has good absorbability and water retention of urine excreted by animals, can be agglomerated in contact with excrement, can be incinerated, and can reduce the odor and color of waste sludge dry matter. An object of the present invention is to provide a granular excrement disposal material that can be used safely and hygienically without causing discomfort.

  That is, the present invention is a sewage sludge, a sewage sludge dried product, a digested sludge, a digested sludge dried product, an activated sludge, an activated sludge dried product, a water purification plant sedimented mud, a water purification plant sedimented mud dried product, a bentonite mud or a bentonite mud dried product or Mixing and granulating these two or more raw materials with a lesser amount of the previous water-absorbing resin than the raw materials to form a granulated product having a particle size of 1 mm or more, and drying the granulated product In addition, the present invention relates to a sewage sludge, a sewage sludge dried product, a digested sludge, a digested sludge dried product, an activated sludge, an activated sludge dried product, and a water purification plant sedimented sludge. , Water purification plant sediment mud dry matter, bentonite mud or bentonite mud dry matter, or these two or more raw materials are mixed with a blended material and a lesser amount of water-absorbent resin than the raw materials, and the mixture is granulated. Mm In the method for producing a granular excrement treatment material, characterized by forming a granulated product of the above particle size and drying the formed granulated product, and the present invention further provides sewage sludge and sewage sludge drying. Material, digested sludge, digested sludge dried product, activated sludge, activated sludge dried product, water purification plant sedimented mud, water purification plant sedimented mud dried product, bentonite mud or bentonite mud dried product, or two or more of these raw materials, A water-absorbing resin in an amount smaller than that of the raw material is mixed, and a sterilizing substance, a deodorizing agent, a coloring substance or an adhesive, or a sterilizing substance, a deodorizing agent, and a coloring substance in an amount smaller than that of the raw material. And two or more of the adhesives are mixed, and the mixture is granulated to form a granulated product having a particle size of 1 millimeter or more, and the granulated product is dried. In the manufacturing method of processing materials That.

  And, the present invention includes raw material sewage sludge, sewage sludge dried material, digested sludge, digested sludge dried material, activated sludge, activated sludge dried material, water purification plant sedimented mud, water purification plant sedimented mud dried material, bentonite mud or bentonite mud dried. Or a mixture of two or more of them with a water-absorbing resin in an amount smaller than that of the raw material, and granulating the mixture to form a granulated product having a particle size of 1 mm or more. In the method for producing a granular excrement disposal material, characterized in that a coating layer containing a coating material and a water-absorbent resin is formed on the surface to form a coated granule, and the coated granule is dried. The present invention also includes raw material sewage sludge, sewage sludge dry matter, digested sludge, digested sludge dry matter, activated sludge, activated sludge dry matter, water purification plant sediment mud, water purification plant sediment mud dry matter, bentonite mud or bentonite mud dry matter. Thing or this The blended material is blended with two or more of the above, and the blended material is mixed with a lesser amount of water-absorbent resin than the raw material to form a granulated product having a particle size of 1 millimeter or more. A method for producing a granular excreta treating material, comprising: forming a coating layer containing a coating material and a water-absorbing resin on a surface of a granulated product, forming a coated granule, and drying the coated granule. In addition, the present invention includes raw material sewage sludge, sewage sludge dried product, digested sludge, digested sludge dried product, activated sludge, activated sludge dried product, water purification plant sedimented mud, water purification plant sedimented mud dried product, bentonite mud or bentonite. The dried material of mud or two or more of them are blended with a blended material and a water-absorbing resin in a smaller amount than the raw material, and in this blend, a substance having a bactericidal property in a smaller amount than the raw material, a deodorizing agent, and coloring. Substance or adhesive, or kill Two or more kinds of substances having a property, deodorant, coloring substance and adhesive are mixed and granulated to form a granulated product having a particle size of 1 mm or more, and a coating material on the surface of the granulated product And a coating layer containing a water-absorbing resin is formed to form a coated granule, and the coated granule is dried.

  The present invention includes raw material sewage sludge, sewage sludge dry matter, digested sludge, digested sludge dry matter, activated sludge, activated sludge dry matter, water purification plant sediment mud, water purification plant sediment mud dry matter, bentonite mud or bentonite mud dry matter, Two or more of these contain a water-absorbing resin in an amount less than the raw material, and granulate this to form a dry granulated product having a particle size of 1 mm or more. Sewage sludge, sewage sludge dried material, digested sludge, digested sludge dried material, activated sludge, activated sludge dried material, water purification plant sedimented sludge, water treatment plant sediment, which has been disposed of as waste, since it is treated as a waste material. Mud dry matter, bentonite mud or bentonite mud dry matter can be used effectively, and these sludges used as the raw material have a reduced moisture content in the production process of granular excrement disposal materials. Te, almost become combustible materials, processing of the sludge is facilitated.

  The present invention also includes raw material sewage sludge, sewage sludge dry matter, digested sludge, digested sludge dry matter, activated sludge, activated sludge dry matter, water purification plant sediment mud, water purification plant sediment mud dry matter, bentonite mud or bentonite mud dry matter. In addition, a compounding material is blended with two or more of these products, and further, a water-absorbing resin, a substance having a bactericidal action, a deodorizing agent, a coloring substance or an adhesive, or a water-absorbing resin in a smaller amount than the raw material, Mixing two or more of substances having bactericidal action, deodorant, coloring substance and adhesive, and granulating them to form a granulated product with a particle size of 1 mm or more. In addition, at least part of the surface of the core is coated with a material containing paper powder and a water-absorbing resin to form a dry-coated granular material having a coating portion that covers the core, and granular excrement Because it is a processing material, Even if mud is used, it is possible to select various color tones, that is, appropriate color excrement disposal materials according to the color tone of the place of use, and maintain harmony between indoor colors as well as sanitary atmosphere. Can do. In addition, since an appropriate color tone can be selected and an appropriate color development indicator can be applied to the surface of the excrement disposal material, an inexpensive urinalysis indicator can be provided, and it becomes easy to grasp the health condition of humans and animals.

  The present invention, as one of the raw materials of the excrement treatment material, sewage sludge or sewage sludge dried material, digested sludge or digested sludge dried material, activated sludge or activated sludge dried material, water purification plant sediment sludge or water purification plant sediment sludge dried material Bentonite mud or dried bentonite mud can be used singly or in combination. The raw materials used in the present invention are sewage sludge or sewage sludge dried material, digested sludge or digested sludge dried material, activated sludge or activated sludge dried material, water purification plant sediment sludge or water purification plant sediment sludge, bentonite mud or bentonite. A mud-dried product or a mixture of two or more of these is selected, and one that is in contact with a human or animal and has low toxicity is selected.

  The granular excrement disposal material of the present invention is a granular excrement disposal material for humans or animals, and is a dried sewage sludge, a digested sludge dried product, an activated sludge dried product, a water purification plant sediment mud dried product, a bentonite mud dried product. Or a mixture of two or more of these (hereinafter referred to as a sludge dried product), and a water-absorbing resin in a smaller amount than the sludge dried product, to a dry granulated product having a particle size of 1 millimeter or more It is formed. In the present invention, a water-absorbing resin can be mixed with the excrement disposal material in order to provide water absorption and water retention. Further, since the waste treatment material of the present invention uses sludge, it has a sterilizing action so that its odor and color tone do not deteriorate the indoor environment and is hygienic and safe. Substances, deodorants and coloring substances can be mixed.

In the present invention, in order to alleviate the influence of the sludge used, sewage sludge or sewage sludge dry matter, digested sludge or digested sludge dry matter, activated sludge or activated sludge dry matter, water purification plant sediment sludge or water purification plant sediment sludge drying To reduce the content of dried sludge in the excrement treatment material by blending ingredients with bentonite, bentonite mud or dried bentonite or a mixture of two or more of these (hereinafter referred to as sludge dried). Can do.
In the present invention, the excrement disposal material is touched to give a free touch, and in the long-term storage of the excrement disposal material, it does not cause wrinkles, and further, from the sludge dry matter in the excrement disposal material. In order to relieve the odor generated, the moisture content of the granulated product or the coated granule, that is, the moisture content of the excrement disposal material is 15% by weight or less, preferably 10% by weight or less, more preferably 5% by weight. % Or less. Thus, it can dry by heat drying such as hot air drying so that the moisture content is 15% by weight or less, and the sludge odor and bad touch of the granulated product of the sludge can be greatly reduced. It can be made safe and has no effect when used for excretion of animals such as cats.

In the present invention, since the excrement disposal material mainly contains sludge dried material, the surface and appearance of the granulated product are dark gray originally possessed by the sludge dried material, and are used indoors. And it looks bad at first glance.
Therefore, in this invention, it is preferable that the granular excrement disposal material containing sludge dry matter is colored with the coloring substance of the color different from the intrinsic color of this sludge dry matter. For example, a white powder-form compounding material is mixed with the sludge prior to granulation in an amount of 40% by weight or less, preferably 10% by weight or less of the excreta treating material, or the sludge dried product. The color of the sludge dried granule is made different from the color tone of the sludge dried product, for example, by approaching the white color of the sludge dried granulated product. The color of the sludge dry matter can be relaxed.

Further, in the present invention, the granulated product obtained by granulating sludge particles, the sludge particles are colored with the coloring substance, and then the colored sludge particles are granulated to reliably hide the sludge color. The granulated product can be further colored. In addition to this, when coloring the granulated product of the granulated sludge dried product with a coloring substance, for example, the background color can be seen through so that it becomes wet and develops after use. be able to.
In the present invention, pigments and dyes can be used as such coloring substances. Such pigments and dyes include white, paper powder, calcium carbonate, titanium oxide and synthetic pearl, and black ones include carbon, eriochrome black T, amino black 10B and chlorazol black BH. is there. Blue pigments and dyes include cyanine blue, azo blue, and patent blue. Green pigments and dyes include cyanine green and emerald green. Yellow pigments and dyes include azo yellow, acid yellow, and Hansa yellow. There is. The paper powder can be pre-colored with a dye, a pigment or the like and used as a material for various coloring.

In the present invention, the sludge dried granule produced by granulating the dried sludge or the like containing a water-absorbent resin or the dried dried granulated granule or the colored and dried coated granule, In this case, in order to avoid dust, it is preferable to separate a fine powdery part having a particle size smaller than 0.1 mm, for example.
In the present invention, the excrement disposal material is preferably granulated into a granulated material having a particle size of 1 mm or more, for example, in order to avoid generation of fine dust such as a sludge dry product as much as possible, but a particle size of 3 mm or more. For example, it becomes difficult to disperse the particles from the toilet box into the room, and even if the particles are scattered, it is easy to collect the particles, which is preferable for maintaining the hygiene in the room. However, in these cases, the presence of particles of 1 mm or less or the presence of particles of 3 mm or less is not completely excluded. In the present invention, the granulated material and the coated granular material can be formed into various shapes such as a spherical shape, a columnar shape, a granular shape and / or a granular shape.

In the present invention, the compounding material to be blended in the colored dry granulated product is mixed with a particle size of 5 mm or less, preferably 3 mm or less, to relax the properties of sludge in the granulated product, and to adhere the granulated product. It is blended in order to improve the property and water absorption, and to further increase the slipperiness of the granulated product in the extrusion granulator.
In the present invention, the blending materials include toilet paper waste, tissue paper waste, decorative paper waste, paper napkin waste, dust paper waste, paper cotton waste, paper towel waste, toilet seat waste, animal waste disposal material waste, bedding Sheet waste, mask waste, eye mask waste, seat head cover waste, pillow cover waste, paper diaper waste, sanitary napkin waste, animal paper diaper waste, animal sanitary napkin waste, milk pad waste, sweat pad waste, incontinence pad Waste material, waste material waste material, animal sheet waste material, sanitary product waste material, laminated paper waste material for transporting fresh fish, laminated paper waste material for vegetable transport, laminated paper printing waste, laminated paper scraps, buff powder, cardboard waste , Newspaper waste, magazine waste, tea leaves, roasted coffee bean extraction residue, titanium paper waste, paper sludge, pulp sludge, wood Waste, wood waste, wood powder, house dismantling materials, new construction waste materials, non-woven fabric waste, beet sugar persimmon, citrus peels such as tangerine husk, paper pulp waste materials, activated carbon pulp waste materials, tea shells, mechanical pulp waste materials, chemicals Pulp waste, semi-chemical pulp waste, cotton-like pulp waste, wood pulp waste, waste paper pulp waste, paper powder, punch waste, sanitary product waste classification products fluff pulp, water absorbent fiber waste, water absorbent resin waste, water absorbent Paper powder containing resin, paper powder generated during bookbinding, paper powder generated during non-woven fabric manufacture, paper powder generated during papermaking process or paper powder generated during sanitary material manufacture, okara, ie beet pulp, bentonite, zeolite, silica gel Or there is a pulp for papermaking, or a mixture of two or more of these.

These compounded materials are pulverized to a particle size of 5 mm or less, preferably 3 mm or less, more preferably 2 mm or less, and used for granulation of a granular excrement disposal material.
In the present invention, the waste is a non-standard defective product or cutting waste generated during production of the product, a waste product generated during the recycling process of the defective product, and a waste product generated during the recycling process of the used waste product, It is not used in the manufacturing process of products and the recycling process of defective products and waste products. For example, paper tableware waste includes, in addition to defective paper tableware generated at the time of manufacture, for example, waste product of laminated paper tableware, waste of used disposable paper tableware provided for meals. .

  Among the above compounding materials, for example, organic waste such as dairy pad waste, incontinence pad waste, disposable diaper waste, sanitary napkin waste, and other organic wastes are polyethylene, polypropylene, rayon and synthetic rubber. It contains plastic materials such as materials in the form of films, etc. In addition to this, it contains fluff pulp and paper powder of materials having water absorption, and further contains water absorbent resin, so it has water absorption. It can be used as a material for forming the core. In this case, these wastes are used after being pulverized to a particle size of 5 mm or less, preferably 3 mm or less, and more preferably 2 mm or less. The contained plastic film can be used as a water retentive material because it can easily retain moisture between the films and exhibit a water retentive function. Further, fluff pulp and water absorbent resin remaining in the waste can be used as a water absorbent material.

  In addition, waste of sanitary products having absorbent bodies such as dairy pad waste, incontinence pad waste, disposable diaper waste or sanitary napkin waste is crushed to a particle size of 20 mm or less, and classified into fluff pulp and A portion rich in high water-absorbing resin and a portion rich in plastics can be separated, and the portion rich in fluff pulp and high water-absorbing resin is classified and recovered and reused in sanitary goods and the like. The present invention provides a granulated product by pulverizing the fluff pulp and the portion rich in plastics generated during the recovery of the portion rich in the superabsorbent resin into a particle size of 5 mm or less and mixing it with the dried sludge. Or it is used as a raw material of a core material. However, a part rich in plastics generated during the recovery and a part rich in fluff pulp and a highly water-absorbing resin to be recovered are each pulverized to a particle size of 5 mm or less and blended at an appropriate ratio. It can also be used as a raw material for granules, cores or granules. In the case of a portion rich in a plastic film, moisture can be retained between the sludge dry matter particles and the plastic film or between the films, so that it has water retention and can be used as a water retention material. The plastic-rich material also includes fluff pulp and highly water-absorbing resin, and the plastic-rich material can impart water absorption, so it is pulverized to a particle size of 5 mm or less, preferably 3 mm or less. By doing so, it can be used as a material having water retention and water absorption. In this case, since the dried sludge is granulated by blending the plastic material, even if it contains the dried sludge, the heat of combustion of the granular excrement disposal material is increased and the granular excrement is increased. The treatment material can be made flammable even after use.

  In the granular excrement disposal material for humans or animals of the present invention, in order to enhance the water absorption function and water retention function of the core containing the dried sludge and the compounding material, the powdery water absorbent resin is added to the sludge and the compounding material. It can mix | blend with the mixture of these. In the present invention, the compounding material and the water-absorbent resin are mixed with the sludge during granulation. In this case, the water-absorbing resin functions as a lubricant during granulation to form a granular material or a granular core. When the water-absorbing resin functions as a lubricant in this way, for example, α A water-absorbing resin having a low water-absorbing performance such as starch or sodium polyacrylate can be used. When the water-absorbing resin is used in this manner, the water-absorbing resin is used in an amount that functions as a lubricant when granulating a granulated material including sludge and blended material with a granulator. In this case, the amount of the water-absorbing resin is preferably 20% by weight or less, particularly preferably 10% by weight or less, based on the formed granular core.

  In this invention, a coating | coated part is formed by coat | covering a part of surface of the core part of the granulated material containing sludge dried material. For this coating part, pulp powder or paper powder having water absorption and adhesion functions, and a water absorbent resin are selected so that the coating part can absorb water quickly and the particles can get wet and adhere or adhere to each other. . The coating layer part formed on the core part can be formed by blending various water-absorbing resins in addition to various pulp powders or paper powders so as to have water absorption and adhesion functions. In this case, for example, in addition to pulp powder or paper powder, the coating layer portion includes a water-absorbing resin having a water-absorbing and adhesive function, a highly water-absorbing resin having a relatively large water absorption amount, and a water-absorbing resin that functions as a thickener. It can be formed by blending at an appropriate ratio determined experimentally.

  In the present invention, the adhesive used for the core is used as an extender for improving the tackiness of the sludge dried product, such as polyvinyl alcohol, flour, okara, corn starch, carboxymethylcellulose. , Gelatin, super absorbent resin, vinyl ester, starch, carboxymethyl cellulose, bentonite, roasted coffee bean extraction residue, paper powder, tea husk, okara, wood chips, citrus peel, citrus peel, beet sugar That is, beet pulp, pulp for papermaking, papermaking sludge, pulp waste containing activated carbon, pulp sludge, polyvinyl alcohol (PVA) (Povar: trade name), wheat flour, α-starch, corn starch, carboxymethylcellulose (CMC), sodium alginate, pullulan , Casein or gelatin etc., these are Alone or used, or is used as an adhesive by mixing two or more kinds. Examples of alcohol-soluble adhesives include hydroxyethyl cellulose (HEC), hydroxypropyl cellulose (HPC), polyvinyl pyrrolidone, or (PVP). Two or more kinds can be mixed and used as a compounding material. Gelling agents such as gelatin and polyvinyl alcohol are preferable because they function as an adhesive that stabilizes solidification of the sludge dried product.

  In the present invention, the paper powder of the compounding material is laminated paper waste material for transporting fresh fish, laminated paper waste material for transporting vegetables, laminated paper printing waste, laminated paper scraps, buff powder, cardboard waste, newspaper waste, magazine waste, Titanium paper waste material, punch scraps, fluff pulp of classified products of sanitary products waste, paper powder containing water-absorbing resin, paper powder generated during bookbinding, paper powder generated during non-woven fabric manufacturing, paper powder generated during papermaking process, or hygiene There is paper dust generated during material production or a mixture of two or more of these.

  In the present invention, substances having a bactericidal action include acetic acid, succinic acid, lactic acid, malic acid, citric acid, tartaric acid, adipic acid, benzoic acid, sodium benzoate, sorbic acid, potassium sorbate, dehydroacetic acid, sodium dehydroacetate , Propionic acid, sodium propionate, calcium propionate, hinokitiol, sodium hypochlorite, isobutyl paraoxybenzoate, isopropyl paraoxybenzoate, ethyl paraoxybenzoate, butyl paraoxybenzoate, propyl paraoxybenzoate, chlorine dioxide or sodium chloride, Or there is a mixture of two or more of these.

  Examples of the deodorizer used in the present invention include activated carbon, silica gel, wood vinegar, bamboo vinegar, roasted coffee bean extraction residue, tea husk, zeolite, bentonite, catechins, chalcone, flavanone, flavone, flavonol, flavonol, flavanol , Isoflavones, anthocyans or hiba oil, or a mixture of two or more thereof.

In the animal excrement disposal material of the present invention, a powdery superabsorbent resin can be blended as a blending material for enhancing its water absorption ability and water retention function.
The water-absorbing resin blended in the present invention means a defective water-absorbing resin, a highly water-absorbing resin waste, a water-absorbing resin having a relatively low water-absorbing performance, and a high water-absorbing resin having a high water-absorbing performance. However, it is preferable to use a highly water-absorbing material because the amount of water-absorbing resin used can be reduced.
A highly water-absorbent resin is a resin that can retain its shape even when it absorbs several tens to two thousand times the weight of the resin, such as vinyl esters and ethylenically unsaturated carboxylic acids or derivatives thereof. Copolymer saponified product, graft polymer of starch and acrylic acid, cross-linked product of polyacrylic acid, copolymer of vinyl alcohol and acrylic acid, partial hydrolyzate of polyacrylonitrile, cross-linked product of carboxymethyl cellulose, polyethylene glycol Cross-linked products, chitosan salts or pullulan gels. Prior to granulation, these higher-grade aqueous resins can be blended alone or in the form of a mixture of two or more with the sludge dried product particles.

  In the present invention, prior to granulation, the powdery blended material can be mixed with the sludge particles in an amount of 40% by weight or less, preferably 10% by weight or less. In this case, the color tone of the blended material is preferably a color tone that matches the color tone of the excrement disposal material of the present invention. When the sludge particles are pre-colored prior to granulation, the color tone of the compounding material can be mixed with the color tone of the colored particles to be a single color or a mixed color. However, in the present invention, it is preferable to match the color tone of the colored particles of the dried sludge with the color tone of the blended material because the spotted pattern can be reduced.

In the present invention, the compounding material may be added by mixing with colored or uncolored particles of the sludge dried product, or may be added separately, but in the granulated product, it is combined with the sludge particles. Is preferred.
In the present invention, when the color of the coloring substance and the compounding material is made uniform, for example, white by paper powder or pulp, a diagnostic indicator for humans or animals is blended, and the color of the test indicator for excrement is developed. It becomes easy to confirm and can be easily performed by human or animal excrement. Examples of the excrement test indicator used in the present invention include, for example, conventional human or animal urine test indicators, for example, human urine test indicators, that is, urine pH indicator, urine protein indicator, urine sugar indicator, Urine hemoglobin indicators and other indicators for human urinalysis can be used.

In the present invention, when such an indicator, particularly a pH indicator, is blended, the surface of the granulated product is coated with paper powder or pulp powder so that the color development of the indicator can be detected accurately and easily. It is preferable to form a coating part and to mix an indicator. In the case of an indicator other than a pH indicator, the particle surface of the dried granulated product or coated granule is colored with a white colorant, and this is obtained by adding an indicator to a white or substantially white compounding material and mixing it. It is preferable to do this. In this case, instead of the white pigments and dyes described above, a compounding material such as a white to substantially white extender can be used as the coloring substance.
Thus, for example, in addition to the white colored substances listed above, mineral white compounds such as bentonite, zeolite, calcium carbonate and gypsum, and wheat flour, paper flour, paper pulp, paper sludge and CMC, etc. A white compounding material can be used as a coloring substance on the surface of the sludge dried product particles.

In the case of a urine pH indicator, the coloring substance and the compounding material used do not affect the pH. For example, pulp powder, paper powder, titanium white, etc. are used.
In the present invention, the colored and dried granulated product of the sludge dried product itself has a deodorizing ability, but in order to avoid the urine etc. excreted by the animal from being decomposed and becoming a foul odor as much as possible, In the animal excrement treatment material of the invention, white powdered bentonite, zeolite or the like having an adsorbing ability in an amount of 10% by weight or less as an auxiliary deodorant in a colored dry granulated product of sludge dried product, or for example, Charcoal-filtered pulp waste such as black charcoal filter waste can be blended. These are preferably blended in the granulated product.

  In the present invention, in the excrement disposal material, a substance having a bactericidal action can be added to the dried granulated product of the sludge dried product in order to avoid generation of soot during storage. In the present invention, the substance having such a bactericidal action is preferably a substance having no decolorizing action so as not to decolor the colored sludge dried product. For example, it is preferable to use food preservatives and sterilizers used for food preservation and sterilization. Accordingly, bactericides, preservatives and antifungal agents such as organic acids, sodium chloride, sorbic acid or salts thereof, calcium propionate, hinokitiol and benzoic acid or salts thereof are used. When pigments that are not easily decolorized by oxidation are used as a coloring substance for sludge dried products, hypochlorous acid or a salt thereof such as sodium hypochlorite or calcium hypochlorite, and chlorine dioxide in addition to these. be able to. Addition of hinokitiol, which is an active ingredient in hiba oil, can be carried out by adding wood flour containing hinokitiol such as strawberries and chicks. The use of such hinokitiol-containing wood flour is preferable because the waste from the sawmill can be used effectively.

  In the present invention, the excrement disposal material particles are adhered to each other by touching urine to easily form a lump so that the part touched by urine can be easily taken out, or the excrement disposal material in use In order to avoid pulverization, it is preferable to add a compounding material having an adhesive function to the sludge dried product. Such compounding materials include water-soluble or water-dispersible compounding materials such as paper powder, paper pulp, paper sludge, pulp sludge, polyvinyl alcohol (PVA), wheat flour, starch, corn starch, carboxymethyl cellulose (CMC), These include pullulan or gelatin, which are used alone or in the form of a mixture of two or more. Further, examples of the alcohol-soluble compounding material include hydroxyethyl cellulose (HEC), hydroxypropyl cellulose (HPC), polyvinyl pyrrolidone or (PVP). It is used in the form of a mixture by mixing more than seeds.

In the present invention, the dried sludge is granulated by a granulator. As a granulating apparatus, conventionally known extrusion granulating apparatuses such as a screw type, a ram type and a roll type can be used. However, various granulation apparatuses such as a compression granulator, a bread granulator, a drum granulator, and a fluidized bed granulator can be used.
In these granulating apparatuses, the white powder adheres to the surface of the formed granulated material. For example, the white powder is directly adhered to the surface of the granulated material, or the white powder is adhered to the surface of the granulated material. Can be attached to the solution or suspension by spraying or the like.

  In the present invention, the excrement disposal material can be a dry-coated granular material formed of a core portion formed of a granulated material and a covering portion that covers the surface of the core portion. In this case, the sludge granulated product or the sludge dried granulated product, which is colored or not colored, is formed of a coating material and a superabsorbent resin, covering the surface thereof, or a covering material, a superabsorbent resin and an adhesive. A covering portion formed of an agent is provided. The covering material is preferably a material that can be wetted and bonded so that the excrement treating material particles that are wetted and come into contact with each other can be bonded together to form an aggregate. In this case, it is preferable to use paper powder as the coating material. In this case, the amount of paper powder forming the covering portion is 50 parts by weight or more of the covering portion, preferably 60% by weight, and more preferably 55% by weight of paper powder. Further, the amount of the water-absorbing resin forming the covering portion is 40% by weight or less, preferably 35% by weight with respect to the covering portion. The amount of the adhesive forming the covering portion is 10% by weight or less, preferably 0.5% by weight, more preferably 10% by weight with respect to the covering portion. In this case, for example, a mixture of paper powder and a water-absorbing resin is adhered to the sludge granulated material, and then dried so that it does not easily peel off. However, in this case, it is preferable to use an adhesive because adhesion to the core portion of the covering portion can be strengthened.

  In the present invention, such coating materials include toilet paper waste, tissue paper waste, decorative paper waste, dust paper waste, paper cotton waste, paper towel waste, toilet seat waste, buff powder, cardboard waste, wood waste, wood waste, Wood flour, house demolition materials, new construction waste materials, non-woven scrap, paper pulp waste materials, mechanical pulp waste materials, chemical pulp waste materials, semi-chemical pulp waste materials, cotton-like pulp waste materials, wood pulp waste materials, waste paper pulp waste materials, paper powder, sanitary products Fluff pulp of waste classification products, water-absorbing fiber waste material, water-absorbing resin waste material, paper powder containing water-absorbing resin, paper powder generated during bookbinding, paper powder generated during non-woven fabric production, paper powder generated in papermaking process or There are paper dust, bentonite or paper pulp generated during the production of sanitary materials, or a mixture of two or more of these. These coating materials are pulverized to a particle size of 0.5 mm or less, preferably 0.3 mm or less, more preferably 0.1 mm or less, and used for forming a coating part.

In the present invention, since the excrement disposal material has a granulated surface containing a sludge dried product covered with a coating layer or a colored layer, the dark gray peculiar to sludge is hidden, and the excrement disposal material is used. For example, it is possible to meet the harmony with the indoor furniture, the sense of hygiene, the user's preference, the color atmosphere, and the like, and the product can be multicolored.
In the present invention, the excrement disposal material can be formed by covering the surface of the granulated material containing the mud dried material with a covering portion. In the excrement disposal material covered with the covering part, the covering part adheres the excrement to the surface of the covering part of the dried coated granular material, and wraps the excrement with the excrement disposal material. The particles are also formed so that they can adhere to each other, and the excrement disposal material particles can wrap the excrement from their surroundings, so the odor of the excrement is adsorbed by the excrement disposal material and the odor is dissipated to the surroundings. It will never be done.

  Moreover, in the present invention, the excrement disposal material is formed by mixing the blended material with sludge and granulating it. When mixing compounding materials, some of the compounding materials themselves have adsorbing ability, so in this case, they should be used as animal excrement treatment materials without adding any adsorbing substances. Can do. Therefore, the animal excrement disposal material of the present invention absorbs the urine excreted by the animal and has a good deodorizing property. Furthermore, since the excrement disposal material of the present invention is particularly colored with a coloring substance, it is easy to highlight the color even when blended with a urine test indicator, and the color of urine excreted by animals It becomes easier to inspect and monitor the health status of animals.

  In the present invention, when polyvinyl alcohol and / or wheat flour is mixed, it adheres to human or animal excrement and wraps the excrement in a lump, and the cleanup is simple and easy. In addition, when an auxiliary deodorizing agent and / or a highly water-absorbing resin are mixed in the animal excrement treating material, it exhibits further excellent deodorizing property, water absorbing property and water retaining property as the excrement treating material.

The present invention effectively uses flammable waste, such as dried sludge, tea husk, activated carbon pulp waste, paper dust, and the like, which has been conventionally treated as waste, as an animal excrement treatment material. In addition, since the main amount is composed of combustible materials, disposal such as incineration is easy.
The animal excrement treating material according to the present invention mainly contains a sludge dried material having excellent deodorizing properties, and is a granulated material having a particle diameter of 1 mm or more, preferably 3 mm or more, and a water-absorbing and / or deodorizing compounding material. Since it is molded together, it absorbs urine excreted by animals, has good water retention, and remarkably good deodorant properties.

  In addition, the excrement disposal material of the present invention includes a highly water-absorbent resin, or wheat flour, polyvinyl alcohol, starch or gelling agent or other compounding material having adhesive ability, a substance having a bactericidal action, or two of these compounding materials. Since the above can be mixed and blended, it adheres to the excrement of animals and wraps the excrement in a lump form, and the cleanup is simple and easy. Moreover, when the deodorizing agent and / or the water-absorbing agent are mixed, the deodorizing agent and the water-absorbing property which are further excellent as the excrement treating material are exhibited. Furthermore, when a substance having a bactericidal action is mixed, the excrement disposal material can be stored for a long time without generation of soot and the like.

Examples of embodiments of the present invention will be described below, but the present invention is not limited to the following descriptions and examples.
FIG. 1 is a schematic plan view showing a process for producing a granular excrement disposal material according to an embodiment of the present invention.

In FIG. 1, a weighing hopper 1 for supplying dewatered sludge of concentrated and dewatered sewage sludge that is finally discharged from a sewage treatment plant is located on the conveying path of the belt conveyor 2 and is disposed on the belt conveyor 2. Can be supplied.
In this example, the weighing hopper 3 for supplying the disposable diaper classification residue mainly containing plastic waste is located on the conveying path of the belt conveyor 4 so as to be able to supply the disposable diaper classification residue to the belt conveyor 4. In this example, the delivery outlet 5 of the belt conveyor 2 for supplying sewage sludge and the delivery outlet 6 of the belt conveyor 4 for supplying diaper classification residue are located at the introduction port of the first mixing belt conveyor device 7, respectively. It has been. The dewatered sludge and paper diaper classification residue supplied to the first mixing belt conveyor device 7 by the belt conveyor 2 and the belt conveyor 4 are accommodated in the mixing hopper 9 from the discharge port 8 of the first mixing belt conveyor device 7.

  Laminated paper waste and paper diaper classification residue stored in the mixing hopper 9 are supplied from the supply port 10 of the mixing hopper 9 to the second mixing belt conveyor device 11, and from the second mixing belt conveyor device 11 to the granulating device 12. To the mixing device 13. A tap water supply pipe 14 is connected to the mixing device 13. In the mixing device 13, tap water is supplied from the tap water supply pipe 12 to the mixture of dehydrated sludge and disposable diaper classification residue. The mixture of dewatered sludge and paper diaper classification residue supplied with tap water is introduced into a screw-type extrusion granulator 12 and extruded from a die 15 as a columnar granulated product having a diameter of 4 mm and a length of 10 mm. Below the die 15 of the granulating device 12, a belt conveyor device 17 for conveying the granulated material for feeding the extruded granulated material to the circular sieve 16 is provided. In this example, the opening of the circular sieve 16 is smaller than 4 mm of the particle diameter and is about 3.5 mm. The particles on the sieve exit from the sieve outlet 18 and are supplied to a belt conveyor device 19 for conveying the sieve particles connected to the sieve outlet 18.

The belt conveyor device 19 for conveying the particles on the sieve is connected to the vibration type granulator 20. The vibration type granulator 20 is provided to reduce the pulverization during use as much as possible by pulverizing the granulated materials adhering to each other to break up the adhered particles into one particle. ing. The particles on the sieve are supplied to the vibrating granulator 20 by the conveyor belt conveyor device 19 and are broken down into individual particles.
On the other hand, the sieving particles of the circular sieve 16 are returned to the second mixing belt conveyor device 11 to the granulating device 12 by the belt conveyor device 22 for conveying the sieving particles provided at the sieving outlet 21.

  The granulated product sent to the vibration type granulator 20 is granular and forms a core part, and is sent to one grain due to the vibration of the vibration type granulator 20. In this example, a sieve 23 having an opening of 4 mm or less is provided on the exit side of the vibration type granulator 20, and a belt conveyor device 11 for conveying the mixture is provided below the sieve outlet of the sieve 23. A sieving conveyor belt conveyor device 24 to be connected is provided, and the sieving particles of the sieving 23 are transferred to the second mixing belt conveyor device 11 connected to the granulating device 12 by the sieving conveyor belt conveyor device 24. Returned.

In the vibratory granulator 20, particles having a particle size of 4 mm or larger are coated with a mixture of paper powder having a particle size of 0.3 mm and a superabsorbent resin, and a belt for conveying on the sieve connected to the outlet 25 on the sieve. It is unloaded from the conveyor device 26. The outlet of the belt conveyor device 26 for conveying on the sieve is connected to a supply device 28 of the first granulated material coating device 27, and the supply device 28 is coated with, for example, paper powder having a particle size of 0.3 mm. A mixture of the material and the superabsorbent resin is connected to a supply hopper 29, and the mixture is supplied to a coating device 27 having a vibrating screen through a supply path 30.
Particles having a particle size of 4 mm or more solved by the vibration type granulator 20 are carried out from the belt conveyor device 26 for conveying on the sieve connected to the outlet 25 on the sieve, and connected to the belt conveyor device 26 for conveying on the sieve. Is supplied to the sieve device 28 of the first granulated material coating device 27. The particles to be the core are conveyed from the supply device 28 to the first granulated material coating device 27, and a mixture of the coating material having a particle size of 0.3 mm and the superabsorbent resin is sprayed by the supply path 30. The surface is coated with the mixture.

The first, second and third granule coating apparatuses 27, 31 and 32 used in this example are all vibration type coating apparatuses. In this example, these three granule coating apparatuses 27 are used. , 31 and 32 are connected in series. That is, the discharge path 33 of the first granulated material coating apparatus 27 is connected to the second granulated material coating apparatus 31, and the discharge path 34 of the second granulated material coating apparatus 31 is connected to the third granulated material coating apparatus 31. It is connected to the device 32. In the first, second and third granule coating apparatuses 27, 31 and 32, the particles having a particle size of 4 mm or more solved by the vibration type granulator 20 are coated with a coating material having a particle size of 0.3 mm and high water absorption. The coating portion is formed on the surface of the core portion.
In this example, the third granulated material coating apparatus 32 is provided with a tap water spraying device 35, and tap water is supplied from the spraying device 35 to the coating part of the coated particles on which the coating part is formed. Sprayed.

In the third granulated material coating apparatus 32, the coated particles in which tap water is sprayed on the coating part are coated granulated materials provided below the discharge path 36 of the third granulated material coating apparatus 32. It is sent by a conveyor belt conveyor 37 to a dryer 38 to which the coated granule conveyor belt conveyor 37 is connected.
The coated granulated product is introduced into a dryer 38, for example, a hot air dryer, dried, and sent to a product tank 41 by a belt conveyor 40 for conveying the dried granulated product provided at the dried product outlet 39. It is done. The product of the granular excrement disposal material of the dry granulated product is taken out to the bagging area 43 by the product conveyor belt conveyor 42 provided below the outlet of the product tank 41, and packed and shipped. .

Since the apparatus of this example is configured as described above, a predetermined amount of dewatered sludge is put into the weighing hopper 1 and a predetermined amount of paper diaper classification residue is put into the weighing hopper 3.
Accordingly, the dewatered sludge supply belt conveyor 2 and the paper diaper classification residue supply belt conveyor 4 are operated to supply a predetermined amount of dewatered sludge and paper diaper classification residue to the mixing hopper 9, respectively. A mixture of the predetermined amount of dewatered sludge and paper diaper classification residue mixed by the hopper 9 for mixing is supplied to the belt conveyor 11 for conveying the mixture and sent to the premixing device 11. In addition to the dewatered sludge and the disposable diaper classification residue, tap water is supplied from the supply pipe 14 to the preliminary mixing device 13, and the dehydrated sludge, the disposable diaper classification residue and the tap water are uniformly mixed in the preliminary mixing device 13. This mixture has a water content of about 30 to 45% by weight, and is adjusted to about 40% by weight and supplied to the granulator 12 in this example.

In this example, the granulator 12 is an extrusion granulator, which is pushed by the rotation of the screw, has a cross section corresponding to the hole of the die 15, and is cut by a chopper and has a predetermined length, For example, granulated particles having an average diameter of about 4 mm and an average length of 10 mm are obtained.
The granulated particles extruded from the die 15 of the granulating device 12 are sent to a circular sieve 16 by a belt conveyor 17 for conveying the granulated material, sieved, and granulated with a particle size of 4 mm or less under the sieve. Is returned to the belt conveyor 11 for transporting the mixture by the belt conveyor 21 for transporting particles under the sieve. The particles on the sieve having a particle size of 4 mm or more are sent to the vibration type granulator 20 by the belt conveyor 19 for conveying the particles on the sieve, and are broken up one by one. Dissolved one by one, particles of 4 mm or more are sent to the first granule coating device 27 by the belt conveyor 26 for conveying the sieve 23 on the screen, where the coating material is granulated. It is coated at a predetermined ratio to the object. The coating material is prepared by a coating material adjusting device 29, and the coating material of the coating material and the water-absorbing resin are prepared in a predetermined mixing ratio, and the first granule coating device 27 is prepared by a supply conveyor device 30. Sent to.
On the other hand, the particles of less than 4 mm that have been unraveled by the vibration type granulator 20 are returned to the belt conveyor 11 for transporting the mixture from the unsieved outlet of the sieve 23 via the belt conveyor 24 for conveying the sieve, and granulated again. Is done.

The granulated particles coated with the coating material by the first granule coating apparatus 27 are supplied from the discharge passage 33 of the first granule coating apparatus 27 together with the coating material to the second granulation. It is sent to the object coating apparatus 31 and further coated. The granulated particles further coated by the second granule coating apparatus 31 are sent from the discharge passage 34 of the second granule coating apparatus 27 to the third granule coating apparatus 32, It is coated with a coating material.
The granulated particles coated with the coating material in the third granule coating apparatus 32 are sent from the discharge path 36 of the third granule coating apparatus 32 to the dryer 38 and dried by hot air. The The temperature of the dryer is kept at a temperature of 100 ° C. or higher. The dried granulated product is sent to the product tank 41 by the belt conveyor 40 for conveying the dried granulated product, and is made into a product for shipment.
The blended material is introduced into the stirring device 9 and stirred by the stirring device 9. The sludge blend in which the coloring substance and the blending material are blended with stirring exhibits a color such as white, yellow, green or blue depending on the color of the coloring substance.

Example 1.
100 parts by weight of the dewatered sludge from the sewage treatment plant that has been concentrated and dewatered (water content 75% by weight, solid component 25% by weight (solid component breakdown: organic 80% by weight, inorganic 20% by weight)) 600 parts by weight of waste disposable diaper classification residue (component breakdown: 70% by weight of plastics, 24% by weight of pulp powder and 6% by weight of superabsorbent resin) were placed in a mixer and mixed. The mixture had a water content of 12% by weight. This mixture was put in an extruding part of a disk pelleter, extruded through a screen having an opening of 4 mm in diameter, and appropriately cut with a chopper and granulated. About this granulated product, a relatively large particle and a fine particle are separated and separated by a circular sieve device having a sieve with an opening of 10 mm on the upper stage and a sieve with an opening of 4 mm on the lower stage, and the water content is reduced to 10% or less with a hot air dryer. The resulting mixture was dried to obtain pellets having a diameter of 4.2 mm and a length of 10 mm. The pellets were collected and used as sand for a cat toilet.
In this example, cat toilet sand was produced by a disk pelleter-type extrusion granulator, but when cat toilet sand was produced by a screw-type extruder, In order to assist the lubrication of the extrusion, it is necessary to set the water content of the mixture of the dewatered sludge and the disposable diaper waste classification residue introduced into the extrusion apparatus to 40% by weight. To the mixture, 175 parts by weight of a 50-fold diluted solution of deodorant and antibacterial pancil BA-210-1 (manufactured by Release Kagaku Kogyo Co., Ltd.) with tap water was mixed. The mixture of the dewatered sludge and the disposable diaper waste material classification residue mixed with the 50-fold diluted solution is introduced into the screw-type extrusion granulator 12, and from the die 15, the diameter is 4.2mm and the length is 10mm. Extruded as a granulated product.

In the room, 50m of ammonia water diluted to 20 times the temperature of 35 ° C was added to the cat litter sand prepared in this example, but the water absorption and deodorizing properties were very good. I did not feel.
Moreover, this cat litter sand was laid on a cat litter with a thickness of 3 cm, but the cat was used as a litter as usual, and there was no problem in its use.
After the cat used for excretion, the part of the cat's toilet sand that the cat excreted could be easily removed. Moreover, the sand for cat litter in this example has water absorption and deodorization properties, and it was possible to avoid unpleasant odor generation indoors.
Moreover, the sand for the cat toilet of this example was poured into a flush toilet after use, but there was no problem.

Example 2.
Dehydrated sludge obtained from the same lot as the dehydrated sludge used in Example 1 (water content 75 wt%, solid component 25 wt% (solid component breakdown, organic 80 wt% inorganic 20 wt%)) (Breakdown of components: cotton pulp 40 to 50% by weight, superabsorbent resin 20 to 30% by weight, polypropylene non-woven fabric surface material 10 to 15% by weight, polyethylene film waterproofing material 10 to 15% by weight and elastic rubber 475 parts by weight of manufactured tapes) were placed in the mixing device 13 and mixed. The mixture had a water content of 15% by weight. This mixture was put in an extruding part of a disk pelleter, extruded through a screen having an opening of 4 mm in diameter, and appropriately cut with a chopper and granulated. About this granulated product, a relatively large particle and a fine particle are separated and separated by a circular sieve device having a sieve with an opening of 10 mm on the upper stage and a sieve with an opening of 4 mm on the lower stage, and the water content is reduced to 10% or less with a hot air dryer. The resulting mixture was dried to obtain pellets having a diameter of 4.2 mm and a length of 10 mm. The pellets were collected and used as sand for a cat toilet.
In this example, as in the case of Example 1, the sand for cat litter was prepared using a disk pelleter type extrusion granulator, but when using a screw type extrusion apparatus, the screw type In order to assist the lubrication of the extrusion device, the water content of the mixture of dewatered sludge and paper diaper waste introduced into the extrusion device needs to be 40% by weight. From the tap water supply pipe 12, 125 parts by weight of a 50-fold diluted solution of deodorant and antibacterial pancil BA-210-1 (Release Kagaku Kogyo Co., Ltd.) with tap water was supplied and mixed. 125 parts by weight of this 50-fold diluted solution was supplied and mixed. The mixture of the dewatered sludge and the disposable diaper waste material mixed with the 50-fold diluted solution is introduced into the screw-type extrusion granulator 12 and from a die 15 is formed into a columnar structure having a diameter of 4.2 mm and a length of 10 mm. Extruded as granules.

In the room, 50m 2 of ammonia water diluted 20 times the temperature of 35 ° C was added to the sand for the toilet of the cat, but the water absorption and deodorizing properties were very good, and no odor of ammonia was felt in the room.
Moreover, this cat litter sand was laid on a cat litter with a thickness of 3 cm, but the cat was used as a litter as usual, and there was no problem in its use.
After the cat used for excretion, the part of the cat's toilet sand that the cat excreted could be easily removed. Moreover, the sand for cat litter in this example has water absorption and deodorization properties, and it was possible to avoid unpleasant odor generation indoors.
Moreover, the sand for the cat toilet of this example was poured into a flush toilet after use, but there was no problem.

Example 3
100 parts by weight of dewatered sludge obtained from the same lot as the dewatered sludge used in Example 1 (water content 75% by weight, solid component 25% by weight (solid component breakdown, organic 80% by weight, inorganic 20% by weight)), laminate waste 345 parts by weight and 5 parts by weight of sodium polyacrylate-based superabsorbent resin (AS-900S (trade name): manufactured by Mitsubishi Chemical Corporation) were placed in the mixing device 13 and mixed. The mixture had a water content of 20% by weight. This mixture was put in an extruding part of a disk pelleter, extruded through a screen having an opening of 4 mm in diameter, and appropriately cut with a chopper and granulated. About this granulated product, a relatively large particle and a fine particle are separated and separated by a circular sieve device having a sieve with an opening of 10 mm on the upper stage and a sieve with an opening of 4 mm on the lower stage, and the water content is reduced to 10% or less with a hot air dryer. The resulting mixture was dried to obtain pellets having a diameter of 4.2 mm and a length of 10 mm. The pellets were collected and used as sand for a cat toilet.
In this example, as in Examples 1 and 2, sand for cat litter was produced using a disk pelleter type extrusion granulator, but when using a screw type extrusion apparatus, In order to assist the lubrication of the extrusion of the screw type extrusion device, the water content of the mixture of the dewatered sludge and the laminate waste introduced into the extrusion device needs to be 40% by weight. 75 parts by weight of a 50-fold diluted solution of deodorant and antibacterial pancil BA-210-1 (manufactured by Release Kagaku Kogyo Co., Ltd.) is supplied from the tap water supply pipe 12 to the laminate waste material mixture and mixed. went. The mixture of the dewatered sludge and the disposable diaper waste material classification residue mixed with the 50-fold diluted solution is introduced into the screw-type extrusion granulator 12, and from the die 15, the diameter is 4.2mm and the length is 10mm. Extruded as a granulated product.

In the room, 50m 2 of ammonia water diluted to 20 times the temperature of 35 ° C was added to the sand for the toilet of the cat, but it had strong water absorption and deodorization property and did not feel ammonia smell in the room.
Moreover, this cat litter sand was laid on a cat litter with a thickness of 3 cm, but the cat was used as a litter as usual, and there was no problem in its use.
After the cat used for excretion, the sand for the toilet of the cat could be easily taken out because the part excreted by the cat became a lump. Moreover, it is excellent in water absorption and deodorizing properties, and it is possible to avoid the generation of unpleasant odors indoors.
Moreover, the sand for the cat toilet of this example was poured into a flush toilet after use, but there was no problem.

Example 4
100 parts by weight of dehydrated sludge obtained from the same lot as the dehydrated sludge used in Example 1 (water content 75% by weight, solid component 25% by weight (solid component breakdown, organic 80% by weight, inorganic 20% by weight)), wood flour 160 parts by weight and 2 parts by weight of a sodium polyacrylate-based superabsorbent resin (Aqua Pearl AS-900S (trade name): manufactured by Mitsubishi Chemical Corporation) were placed in the mixing device 13 and mixed. The mixture had a water content of 40% by weight. It put into the extrusion part of the screw-type extrusion granulator, extruded through a screen with an opening of 4 mm in diameter, and appropriately cut with a chopper and granulated. About this granulated product, a relatively large particle and a fine particle are separated and separated by a circular sieve device having a sieve with an opening of 10 mm on the upper stage and a sieve with an opening of 4 mm on the lower stage, and the moisture is reduced to 10% or less with a hot air dryer The resulting mixture was dried to obtain pellets having a diameter of 5 mm and a length of 10 mm. The pellets were collected and used as sand for a cat toilet.
In the room, 50m 2 of ammonia water diluted to 20 times the temperature of 35 ° C was added to the sand for the toilet of the cat, but it had strong water absorption and deodorization property and did not feel ammonia smell in the room.
Moreover, this cat litter sand was laid on a cat litter with a thickness of 3 cm, but the cat was used as a litter as usual, and there was no problem in its use.
After the cat used for excretion, the sand for the toilet of the cat could be easily taken out because the part excreted by the cat became a lump. Moreover, it is excellent in water absorption and deodorizing properties, and it is possible to avoid the generation of unpleasant odors indoors.
Moreover, the sand for the cat toilet of this example was poured into a flush toilet after use, but there was no problem.

Example 5.
100 parts by weight of dewatered sludge obtained from the same lot as the dewatered sludge used in Examples 1 to 4 (water content 75% by weight, solid component 25% by weight (solid component breakdown, organic 80% by weight, inorganic 20% by weight)) In addition, 135 parts by weight of non-woven fabric waste and 6.5 parts by weight of a sodium polyacrylate-based superabsorbent resin (AS-900S (trade name): manufactured by Mitsubishi Chemical Corporation) were placed in the mixing device 13 and mixed. The mixture had a moisture content of 45% by weight. This mixture was put in an extrusion part of a screw type extrusion granulator, extruded through a screen with an opening of 4 mm in diameter, and appropriately cut with a chopper and granulated. About this granulated product, a relatively large particle and a fine particle are separated and separated by a circular sieve device having a sieve with an opening of 10 mm on the upper stage and a sieve with an opening of 4 mm on the lower stage, and the water content is reduced to 10% or less with a hot air dryer. The resulting mixture was dried to obtain pellets having a diameter of 5 mm and a length of 10 mm. The pellets were collected and used as sand for a cat toilet.
In the room, 50m 2 of ammonia water diluted to 20 times the temperature of 35 ° C was added to the sand for the toilet of the cat, but it had strong water absorption and deodorization property and did not feel ammonia smell in the room.
Moreover, this cat litter sand was laid on a cat litter with a thickness of 3 cm, but the cat was used as a litter as usual, and there was no problem in its use.
After the cat used for excretion, the sand for the toilet of the cat could be easily taken out because the part excreted by the cat became a lump. Moreover, it is excellent in water absorption and deodorizing properties, and it is possible to avoid the generation of unpleasant odors indoors.
Moreover, the sand for the cat toilet of this example was poured into a flush toilet after use, but there was no problem.

Example 6
100 parts by weight of the dewatered sludge from the sewage treatment plant that has been concentrated and dewatered (water content 75% by weight, solid component 25% by weight (solid component breakdown: organic 80% by weight, inorganic 20% by weight)) 600 parts by weight of waste paper diaper classification residue (component breakdown: 70% by weight of plastic waste, 24% by weight of pulp powder, 6% by weight of superabsorbent resin) were placed in a mixer and mixed. The mixture had a water content of 12% by weight. This mixture is put into an extruding part of a disk pelleter, extruded through a screen with an opening of 4 mm in diameter, and appropriately cut with a chopper and granulated. The granulated product has a sieve with an opening of 10 mm at the upper stage and an opening of 4 mm at the lower stage. In a circular sieve device equipped with a sieve, relatively large particles and fine particles were sieved and separated to obtain a granulated product mainly having a diameter of 5 mm and a length of 10 mm.
The granulated product (83 parts by weight) was coated with 17 parts by weight of a coating material and dried with hot air to obtain a coated granular material having a diameter of 4.2 mm and a length of 10 mm. This coated granular material was collected and used as sand for cat litter. In this example, the coating material is 60% by weight of paper powder having a particle size of 0.3 mm, 14% by weight of starch acrylic acid-based superabsorbent resin (Himosub HS1100 (trade name): Hymo Co., Ltd.), sodium polyacrylate Superabsorbent resin (Aqua Pearl AS-900S (trade name): manufactured by Mitsubishi Chemical Corporation) 12% by weight, T-α starch (trade name) (manufactured by Matsutani Chemical Industry Co., Ltd.) 8% by weight, and C-grade gypsum (Product Name) A 6 wt% mixture (manufactured by Yoshino Gypsum Co., Ltd.) was used.

In the room, 50 m of ammonia water diluted to 20 times the temperature of 35 ° C. was added to the sand for the cat toilet, but the water absorption and deodorizing properties were very good, and no odor of ammonia was felt in the room. The water absorption was obtained more than 3 times the weight.
Moreover, this cat litter sand was laid on a cat litter with a thickness of 3 cm, but the cat was used as a litter as usual, and there was no problem in its use.
After the cat used for excretion, the part of the cat's toilet sand that the cat excreted could be easily removed. In addition, the sand for cat litter in this example was excellent in water absorption and deodorizing properties, and it was possible to avoid unpleasant odor generation indoors.
Moreover, the sand for the cat toilet of this example was poured into a flush toilet after use, but there was no problem.

Example 7.
Dehydrated sludge obtained from the same lot as the dehydrated sludge used in Example 1 (water content 75 wt%, solid component 25 wt% (solid component breakdown, organic 80 wt% inorganic 20 wt%)) (Breakdown of components: cotton pulp 40 to 50% by weight, superabsorbent resin 20 to 30% by weight, polypropylene non-woven fabric surface material 10 to 15% by weight, polyethylene film waterproofing material 10 to 15% by weight and elastic rubber 475 parts by weight of manufactured tapes) were placed in the mixing device 13 and mixed. The mixture had a water content of 15% by weight. This mixture is put into an extruding part of a disk pelleter, extruded through a screen with an opening of 4 mm in diameter, and appropriately cut with a chopper and granulated. The granulated product has a sieve with an opening of 10 mm at the upper stage and an opening of 4 mm at the lower stage. By using a circular sieve device equipped with a sieve, relatively large particles and fine particles were sieved and separated to obtain mainly a granulated product having a diameter of 4.2 mm and a length of 10 mm.
The granulated product (83 parts by weight) was coated with 17 parts by weight of a coating material and dried with hot air to obtain a coated granular material having a diameter of 4.2 mm and a length of 10 mm. This coated granular material was collected and used as sand for cat litter.
In this example, the coating material is the same mixture as in Example 6, and the composition thereof is 60% by weight of paper powder having a particle size of 0.3 mm, starch acrylic acid-based superabsorbent resin (Himosub HS1100 (trade name): Hymo Co., Ltd.) 14% by weight, sodium polyacrylate-based superabsorbent resin (Aqua Pearl AS-900S (trade name): manufactured by Mitsubishi Chemical Corporation), 12% by weight, T-α starch (trade name) (Matsuya) Chemical Industry Co., Ltd.) 8% by weight and Class C gypsum (trade name) (Yoshino Gypsum Co., Ltd.) 6% by weight.

In the room, 50 m of ammonia water diluted to 20 times the temperature of 35 ° C. was added to the sand for the cat toilet, but the water absorption and deodorizing properties were very good, and no odor of ammonia was felt in the room. The water absorption was obtained more than 3 times the weight.
Moreover, this cat litter sand was laid on a cat litter with a thickness of 3 cm, but the cat was used as a litter as usual, and there was no problem in its use.
After the cat used for excretion, the part of the cat's toilet sand that the cat excreted could be easily removed. In addition, the sand for cat litter in this example was excellent in water absorption and deodorizing properties, and it was possible to avoid unpleasant odor generation indoors.
Moreover, the sand for the cat toilet of this example was poured into a flush toilet after use, but there was no problem.

Example 8
100 parts by weight of dewatered sludge obtained from the same lot as the dewatered sludge used in Example 1 (water content 75% by weight, solid component 25% by weight (solid component breakdown, organic 80% by weight, inorganic 20% by weight)), laminate waste 345 parts by weight and 5 parts by weight of sodium polyacrylate-based superabsorbent resin (AS-900S (trade name): manufactured by Mitsubishi Chemical Corporation) were placed in the mixing device 13 and mixed. The mixture had a water content of 20% by weight. This mixture was put in an extruding part of a disk pelleter, extruded through a screen having an opening of 4 mm in diameter, and appropriately cut with a chopper and granulated. About this granulated material, a relatively large particle and a fine particle are separated by a circular sieve device having a sieve with an opening of 10 mm on the upper stage and a sieve with an opening of 4 mm on the lower stage, and mainly a diameter of 4.2 mm and a length. A 10 mm pellet was obtained.
The granulated product (83 parts by weight) was coated with 17 parts by weight of a coating material and dried with hot air to obtain a coated granular material having a diameter of 4.2 mm and a length of 10 mm. This coated granular material was collected and used as sand for cat litter.
In this example, the coating material is a mixture similar to that used in Examples 6 and 7, the composition of which is 60% by weight of 0.3 mm particle size paper powder, starch acrylic acid-based superabsorbent resin (Himosub). HS1100 (trade name): Hymo Co., Ltd.) 14% by weight, sodium polyacrylate-based superabsorbent resin (Aqua Pearl AS-900S (trade name): Mitsubishi Chemical Corporation) 12% by weight, T-α starch (Product name) (Matsuya Chemical Co., Ltd.) 8% by weight and C class gypsum (trade name) (Yoshino Gypsum Co., Ltd.) 6% by weight.

In the room, 50 m of ammonia water diluted to 20 times the temperature of 35 ° C. was added to the sand for the cat toilet, but the water absorption and deodorizing properties were very good, and no odor of ammonia was felt in the room. The water absorption was obtained more than 3 times the weight.
Moreover, this cat litter sand was laid on a cat litter with a thickness of 3 cm, but the cat was used as a litter as usual, and there was no problem in its use.
After the cat used for excretion, the part of the cat's toilet sand that the cat excreted could be easily removed. In addition, the sand for cat litter in this example was excellent in water absorption and deodorizing properties, and it was possible to avoid unpleasant odor generation indoors.
Moreover, the sand for the cat toilet of this example was poured into a flush toilet after use, but there was no problem.

Example 9
100 parts by weight of dehydrated sludge obtained from the same lot as the dehydrated sludge used in Example 1 (water content 75% by weight, solid component 25% by weight (solid component breakdown, organic 80% by weight, inorganic 20% by weight)), wood flour 160 parts by weight and 2 parts by weight of a sodium polyacrylate-based superabsorbent resin (Aqua Pearl AS-900S (trade name): manufactured by Mitsubishi Chemical Corporation) were placed in the mixing device 13 and mixed. The mixture had a water content of 40% by weight. It put into the extrusion part of the screw-type extrusion granulator, extruded through a screen with an opening of 4 mm in diameter, and appropriately cut with a chopper and granulated. About this granulated material, a relatively large particle and a fine particle are separated by a circular sieve device having a sieve with an opening of 10 mm on the upper stage and a sieve with an opening of 4 mm on the lower stage, and mainly a diameter of 4.2 mm and a length. A 10 mm granulated product was obtained.
80 parts by weight of the granulated product was coated with 20 parts by weight of a coating material and dried with hot air to obtain a coated granular material having a diameter of 4.2 mm and a length of 10 mm. This coated granular material was collected and used as sand for cat litter.
In this example, the composition of the coating material is 60% by weight of paper powder having a particle size of 0.3 mm, 24% by weight of starch acrylic acid-based superabsorbent resin (Himosub HS1100 (trade name): Hymo Co., Ltd.), polyacrylic Sodium water-based high water-absorbent resin (Aqua Pearl AS-900S (trade name): manufactured by Mitsubishi Chemical Corporation) and 13% by weight of high water-absorbent resin Diaflock K-201G (trade name) (manufactured by Diaflock Co., Ltd.) 3 weight.

In the room, 50m of ammonia water diluted to 20 times the temperature of 35 ℃ was added to 100g of sand for the cat's toilet, but the water absorption and deodorizing properties were very good and there was no odor of ammonia in the room. It was.
This cat litter sand was white and clean, and was used with a thickness of 3cm on the cat litter, but the cat is used as a litter as usual. There was no problem in use.
After the cat used for excretion, the sand for the toilet of the cat could be easily taken out of the part excreted by the cat. In addition, it has excellent deodorizing properties and can avoid the generation of unpleasant odors indoors.

Example 10
100 parts by weight of dewatered sludge obtained from the same lot as the dewatered sludge used in Examples 1 to 4 (water content 75% by weight, solid component 25% by weight (solid component breakdown, organic 80% by weight, inorganic 20% by weight)) In addition, 135 parts by weight of non-woven fabric waste and 6.5 parts by weight of a sodium polyacrylate-based superabsorbent resin (AS-900S (trade name): manufactured by Mitsubishi Chemical Corporation) were placed in the mixing device 13 and mixed. The mixture had a moisture content of 45% by weight. This mixture was put in an extrusion part of a screw type extrusion granulator, extruded through a screen with an opening of 4 mm in diameter, and appropriately cut with a chopper and granulated. About this granulated material, a relatively large particle and a fine particle are separated by a circular sieve device having a sieve with an opening of 10 mm on the upper stage and a sieve with an opening of 4 mm on the lower stage, and mainly a diameter of 4.2 mm and a length. A 10 mm granulated product was obtained.
The granulated product (83 parts by weight) was coated with 17 parts by weight of a coating material and dried with hot air to obtain a coated granular material having a diameter of 4.2 mm and a length of 10 mm. This coated granular material was collected and used as sand for cat litter.
In this example, the composition of the coating material is 60% by weight of paper powder having a particle size of 0.3 mm, 24% by weight of starch acrylic acid-based superabsorbent resin (Himosub HS1100 (trade name): Hymo Co., Ltd.), polyacrylic Sodium water-based high water-absorbent resin (Aqua Pearl AS-900S (trade name): manufactured by Mitsubishi Chemical Corporation) and 13% by weight of high water-absorbent resin Diaflock K-201G (trade name) (manufactured by Diaflock Co., Ltd.) 3 weight.

In the room, 50m of ammonia water diluted to 20 times the temperature of 35 ℃ was added to 100g of sand for the cat's toilet, but the water absorption and deodorizing properties were very good and there was no odor of ammonia in the room. It was.
This cat litter sand was white and clean, and was used with a thickness of 3cm on the cat litter, but the cat is used as a litter as usual. There was no problem in use.
After the cat used for excretion, the sand for the toilet of the cat could be easily taken out of the part excreted by the cat. In addition, it has excellent deodorizing properties and can avoid the generation of unpleasant odors indoors.

  The present invention is a sewage sludge or a sewage sludge dried product, a digested sludge or a digested sludge dried product, an activated sludge or an activated sludge dried product, a water purification plant sedimented mud or a water purification plant sedimented mud dried product, a bentonite mud or a bentonite mud dried product, or these A raw material made of a mixture of two or more types is mixed with the previous water-absorbing resin in a smaller amount than the raw material and granulated to form a granulated product having a particle size of 1 millimeter or more, and the granulated product is dried. Because it is a granular excrement disposal material, it is possible to effectively use the sludge that has been treated as waste, and the sludge used as a raw material has a reduced water content during the manufacturing process of the excrement disposal material. As a result, it becomes almost combustible and the sludge can be easily treated.

  The present invention also includes sewage sludge or sewage sludge dried material, digested sludge or digested sludge dried material, activated sludge or activated sludge dried material, water purification plant sedimented mud or water purification plant sedimented mud dried material, bentonite mud or bentonite mud dried material, or these A raw material composed of a mixture of two or more of the above is mixed with a blended material and a water absorbent resin in a smaller amount than the raw material, and the mixture is granulated to form a granulated product having a particle size of 1 mm or more. The dried granulated product is dried to contain a sludge dried product and a compounding material, and in a smaller amount than the sludge dried product, respectively, a water absorbent resin, a substance having a bactericidal action, a deodorant, a coloring substance or an adhesive, or a water absorbent A core having a particle size of 1 millimeter or more, paper powder and water absorption, containing two or more of a functional resin, a bactericidal substance, a deodorizing agent, a coloring substance and an adhesive Since it is a granular excrement treatment material that is a dry-coated granular material containing a fat and having a coating portion that covers at least a part of the surface of the core portion, a sludge dried material or the like may be used as a raw material. According to the color tone of the place of use, it is possible to select various color tones, that is, an excrement disposal material having an appropriate color, and it is possible to maintain harmony of indoor colors as well as a sanitary atmosphere. In addition, since an appropriate color tone can be selected and an appropriate color development indicator can be applied to the surface of the excrement disposal material, an inexpensive urinalysis indicator can be provided, and it becomes easy to grasp the health condition of humans and animals.

  The present invention effectively uses, as waste material, a sludge dried material, which has conventionally been treated as a waste, and has a water retention property by mixing a plastic material. In addition, the calorific value is increased and combustion is possible even after use, and sludge can be used effectively.

It is a schematic plan view which shows the process of manufacturing the granular excrement disposal material of one Example of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Weighing hopper for supply of dewatered sludge 2, 4 Belt conveyor 3 For supply of paper diaper classification residue 5 Carrying out of belt conveyor 2 for supply of dehydrated sludge 6 Transport outlet of belt conveyor 4 for supply of paper diaper classification residue 7 First mixing belt Conveyor 8 Discharge port of first mixing belt conveyor 7 9 Mixing hopper 10 Supply port of mixing hopper 9 Second mixing belt conveyor 12 Granulating device 13 Mixing device 14 of granulating device 12 Tap water supply pipe 15 Dies 16 of the granulating device 12 Circular sieve 17 Belt conveyor 18 for conveying the granulated material Outgoing sieve 19 Belt conveyor 20 for conveying the sieved particles Vibrating granulator 21 Sieveing outlet 22 Belt conveyor 23 for conveying the sieved particles Sieve 24 with a mesh opening of 4 mm or less. Belt conveyor 25 for conveying under the sieve. Outlet 26 on the sieve. Belt conveyor for conveying on the sieve connected to the outlet 25 on the sieve. Bayer 27 First granulated material coating device 28 Sieve device 29 of first granulated material coating device 27 Supply hopper 30 of a mixture of paper powder having a particle size of 0.3 mm and a superabsorbent resin 30 Paper dust and superabsorbent resin The second granule coating apparatus 32 The third granule coating apparatus 33 The discharge path 34 of the first granule coating apparatus 27 The discharge path 35 of the second granule coating apparatus 31 Tap water spraying device 36 Discharge passage 37 of the third granulated material coating device 32 Belt conveyor 38 for conveying the coated granulated material Dryer 39 connected to the belt conveyor 37 for conveying the coated granulated material Drying material outlet 40 Drying Belt conveyor 41 for transporting granulated products Product tank 42 Belt conveyor 43 for transporting products Bagging area

Claims (18)

Raw material sewage sludge, sewage sludge dry matter, digested sludge, digested sludge dry matter, activated sludge, activated sludge dry matter, water purification plant sediment mud, water purification plant sediment mud dry matter, bentonite mud or bentonite mud dry matter Two or more kinds are mixed with a water-absorbing resin in an amount smaller than that of the raw material and granulated to form a granulated product having a particle size of 1 mm or more, and the granulated product is dried. A method for producing excrement disposal materials. Raw material sewage sludge, sewage sludge dry matter, digested sludge, digested sludge dry matter, activated sludge, activated sludge dry matter, water purification plant sediment mud, water purification plant sediment mud dry matter, bentonite mud or bentonite mud dry matter Two or more kinds are mixed with a blended material and a water-absorbing resin in an amount smaller than that of the raw material, and the mixture is granulated to form a granulated product having a particle size of 1 mm or more. The manufacturing method of the granular excrement disposal material characterized by drying. Raw material sewage sludge, sewage sludge dry matter, digested sludge, digested sludge dry matter, activated sludge, activated sludge dry matter, water purification plant sediment mud, water purification plant sediment mud dry matter, bentonite mud or bentonite mud dry matter Two or more kinds are mixed with a blended material and a water-absorbing resin in an amount smaller than that of the raw material, and this mixture has a sterilizing substance, a deodorizing agent, a coloring substance, an adhesive, or a sterilizing amount in a smaller amount than the raw material. Mixing two or more kinds of substances, deodorants, coloring substances and adhesives, and granulating the mixture to form a granulated product having a particle size of 1 mm or more, and drying the granulated product. The manufacturing method of the granular excrement disposal material characterized by these. Raw material sewage sludge, sewage sludge dry matter, digested sludge, digested sludge dry matter, activated sludge, activated sludge dry matter, water purification plant sediment mud, water purification plant sediment mud dry matter, bentonite mud or bentonite mud dry matter Two or more kinds are mixed with a water-absorbing resin in an amount smaller than that of the raw material, and the mixture is granulated to form a granulated product having a particle size of 1 millimeter or more. A method for producing a granular excrement disposal material, comprising: forming a coating layer containing a water-absorbent resin to form a coated granule, and drying the coated granule. Raw material sewage sludge, sewage sludge dry matter, digested sludge, digested sludge dry matter, activated sludge, activated sludge dry matter, water purification plant sediment mud, water purification plant sediment mud dry matter, bentonite mud or bentonite mud dry matter The blended material is blended into two or more kinds, and the blended material is mixed with a lesser amount of water-absorbent resin than the raw material and granulated to form a granulated product having a particle size of 1 millimeter or more. A method for producing a granular excrement disposal material, comprising: forming a coating layer containing a coating material and a water-absorbent resin on a surface of the coating material to form a coated granule, and drying the coated granule. Raw material sewage sludge, sewage sludge dry matter, digested sludge, digested sludge dry matter, activated sludge, activated sludge dry matter, water purification plant sediment mud, water purification plant sediment mud dry matter, bentonite mud or bentonite mud dry matter Two or more kinds are blended with a blended material and a water-absorbing resin in an amount smaller than that of the raw material, and in this blend, a substance having a smaller amount of bactericidal properties than the raw material, a deodorant, a coloring substance or an adhesive, or a bactericidal property Two or more kinds of substances having deodorizing agent, coloring substance and adhesive are mixed and granulated to form a granulated product having a particle size of 1 mm or more, and a coating material and A method for producing a granular excrement disposal material, comprising: forming a coating layer containing a water-absorbent resin to form a coated granule, and drying the coated granule. Granulated material is raw material sewage sludge, sewage sludge dry matter, digested sludge, digested sludge dry matter, activated sludge, activated sludge dry matter, water purification plant sediment mud, water purification plant sediment mud dry matter, bentonite mud or bentonite mud dry matter Or the 2 or more types of these are contained in the quantity of 50 weight% or more, The manufacturing method of the granular excrement disposal material as described in any one of Claims 1 thru | or 6 characterized by the above-mentioned. Granulated material is raw material sewage sludge, sewage sludge dry matter, digested sludge, digested sludge dry matter, activated sludge, activated sludge dry matter, water purification plant sediment mud, water purification plant sediment mud dry matter, bentonite mud or bentonite mud dry matter Or the 2 or more types of these are contained in the quantity of 30 weight% or more, The manufacturing method of the granular excrement disposal material as described in any one of Claims 1 thru | or 6 characterized by the above-mentioned. Granulated material is raw material sewage sludge, sewage sludge dry matter, digested sludge, digested sludge dry matter, activated sludge, activated sludge dry matter, water purification plant sediment mud, water purification plant sediment mud dry matter, bentonite mud or bentonite mud dry matter Or the 2 or more types of these are contained in the quantity of 10 weight% or more, The manufacturing method of the granular excrement disposal material as described in any one of Claims 1 thru | or 6 characterized by the above-mentioned. The method for producing a granular excrement disposal material according to claim 3 or 6, wherein the granule has an adhesive content of 10% by weight or less. The method for producing a granular excrement disposal material according to claim 3 or 6, wherein the content of the deodorant in the granulated product is 10% by weight or less. The method for producing a granular excrement disposal material according to any one of claims 4 to 6, wherein the moisture content of the dried coated granule is 15% by weight or less. The method for producing a granular excrement disposal material according to any one of claims 4 to 6, wherein the moisture content of the dried coated granular material is 10% by weight or less. The method for producing a granular excrement disposal material according to any one of claims 4 to 6, wherein the moisture content of the dried coated granular material is 5% by weight or less. The method for producing a granular excrement disposal material according to claim 3 or 6, wherein the substance having a bactericidal action is a bactericidal agent, a fungicide, or a bactericidal agent and a preservative. 7. The coating layer according to claim 4, wherein the coating layer is formed of a mixture of a coating material and a water-absorbent resin and an adhesive, a coloring substance, or a mixture thereof. Manufacturing method of granular excrement disposal material. The method for producing a granular excrement disposal material according to any one of claims 4 to 6, wherein the coating layer is formed by containing a coating material in an amount of 80% by weight or more. The method for producing a granular excrement disposal material according to claim 16, wherein the coating layer has an adhesive content of 10% by weight or less.

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