CN106747611A - A kind of preparation method of the alum sludge base porous ceramic grain of the kitchen garbage that adulterates - Google Patents
A kind of preparation method of the alum sludge base porous ceramic grain of the kitchen garbage that adulterates Download PDFInfo
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- CN106747611A CN106747611A CN201710077810.0A CN201710077810A CN106747611A CN 106747611 A CN106747611 A CN 106747611A CN 201710077810 A CN201710077810 A CN 201710077810A CN 106747611 A CN106747611 A CN 106747611A
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- sludge
- kitchen garbage
- porous ceramic
- ceramic grain
- base porous
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/009—Porous or hollow ceramic granular materials, e.g. microballoons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28016—Particle form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
- B01J20/28057—Surface area, e.g. B.E.T specific surface area
- B01J20/28059—Surface area, e.g. B.E.T specific surface area being less than 100 m2/g
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1321—Waste slurries, e.g. harbour sludge, industrial muds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Analytical Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to a kind of preparation method of the alum sludge base porous ceramic grain of the kitchen garbage that adulterates.The preparation method, it is characterised in that：Kitchen garbage is mixed with municipal sludge stirring and nurses one's health into pastel, be put into baking oven and dried to constant weight in 105 120 DEG C, 4 8mm are crushed to after removing debris.Pastel, drying, broken, grinding are crossed 100 mesh sieves and mixed well with water again, group is made the microballoon of the mm of particle diameter 58, air-dries.Microballoon is inserted into calcining in Muffle furnace and obtains calcining material.Calcining material 5min is embathed with the hydrochloric acid of 0.1 0.3M, hydrochloric acid is filtered off, is embathed with distilled water, be repeated 3 times, finally dry the sludge base porous ceramic grain that doping bamboo and wood powder is obtained to constant weight.Present invention process is simple, with low cost, solves the problems, such as that traditional sludge Quito hole porosity rate is not enough, significantly improves the performance and sewage disposal effect of sludge base haydite, the recycling for promoting alum sludge and useless bamboo wood material to turn waste into wealth.
Description
Technical field
The present invention relates to a kind of preparation method of porous ceramic grain, it is more particularly to a kind of as sewage treating material originally
Waterworks sludge base porous ceramic grain, adulterates kitchen garbage to improve the porosity of haydite during sintering, lifts its absorption property doping meal
The alum sludge base porous ceramic grain preparation method of kitchen rubbish.
Background technology
Haydite refers to the material with high surfaces porosity that clay or sludge spherical particle are made through high-temperature calcination.It
With certain specific surface area and loose structure, with preferable absorption property, can adsorb dirty as the adsorbent of sewage disposal
Heavy metal, organic matter, phosphate in water etc., also can be used as filler, the attached microorganism long in surface.
With Development of China's Urbanization, cities and towns waterworks Quantity quickly increases with scale, and sludge is produced as running water
The total amount of accessory substance also rises rapidly, the mishandling secondary pollution that will result in environment.Alum sludge treatment and disposal
Also as the problem of urgent need to resolve during current environmental development.
Alum sludge comes from the flocculation reaction stage of water process processed, and main component is coagulant hydrolytic residue and is mixed
The clay class suspension of solidifying agent flocculation parcel, thus it is central containing a certain amount of molysite and aluminium salt, make it to the phosphoric acid in sewage
Salt has good removal effect, can adsorb phosphatic raw material as preparing.
It is prepared that porosity rate is not high in sintering because organic matter is very low contained by sludge, performance is have impact on very much greatly and is answered
With scope and value.
Kitchen garbage is food residues, containing a large amount of organic principles, there is very big environmental risk and harm.By kitchen rubbish
It is incorporated into sludge running water after rubbish is broken, the content of organic matter of sludge can be improved, the hole of haydite can be increased in sewage sludge sintering
Gap rate, makes its specific surface area bigger, absorption property more preferably.
The present invention takes and prepares porous ceramic grain to the kitchen garbage that adulterated in alum sludge, improves the ratio of sludge base haydite
Surface area and absorption property, while realizing the recycling of sludge and kitchen garbage.
The content of the invention
It is an object of the invention to provide a kind of preparation side of the alum sludge base porous ceramic grain of the kitchen garbage that adulterates
Method and application, in a kind of simple exercisable mode, improve the performance of sludge base haydite, lift it in sewage disposal application
Effect.
The purpose of the present invention is achieved by the following scheme：
1st, raw material prepares
By kitchen garbage (solid content 16-10%) and municipal sludge (moisture content 65-80%) stirring mix nurse one's health into it is aqueous
The pastel of rate 80% or so, is put into baking oven and is dried to constant weight in 105-120 DEG C, and 4-8mm is crushed to after removing debris.
2nd, doping proportioning (weight part ratio)
Sludge：Kitchen garbage=20~30:1
3rd, preparation process
(1) the sludge and kitchen garbage pastel for mixing will be stirred in proportion, and 100 mesh sieves are crossed in drying, broken, grinding.
Mixed well with water again, group is made the microballoon of particle diameter 5-8mm, natural air drying.
(2) the microballoon by step (1) is inserted in Muffle furnace and calcined, 400-600 DEG C of calcining heat, and heating is stopped after stopping 2-3h
And be cooled to 80 DEG C of dischargings and obtain calcining material, it is placed on cooling in drier.
(3) after calcining material is cooled to room temperature, calcining material 5min is embathed with the hydrochloric acid of 0.1-0.3M, filter off hydrochloric acid.With distillation
10min is washed in water logging, drains moisture, and the distilled water being repeated 3 times embathes and draining step.To be finally put into by the calcining material for embathing
Baking oven is in 105-120 DEG C of drying to constant weight, the final sludge base porous ceramic grain for obtaining doping kitchen garbage.
The kitchen garbage of the present invention refers to all kitchen residues in hotel, restaurant, dining room.
The advantage of the invention is that：
Process is simple, it is with low cost, solve the problems, such as that traditional sludge Quito hole porosity rate is not enough, significantly lifted
The performance of sludge base haydite and sewage disposal effect, promote the resource profit that alum sludge and kitchen garbage are turned waste into wealth
With.
Specific embodiment
Embodiment 1
20kg sludge and 1kg kitchen garbages are taken by 20:1 ratio stirring mixes into pastel, dries, crushes, grinds,
Cross 100 mesh sieves.Mixed well with water again, group is made the microballoon of particle diameter 0.5-0.8cm, natural air drying.
Microballoon is inserted in Muffle furnace and is calcined, 400 DEG C of calcining heat after calcination time 3h, stops heating and being cooled to 80
DEG C discharging obtains calcining material, is placed on cooling in drier.
After calcining material is cooled to room temperature, haydite 5min is embathed with the hydrochloric acid of 0.1M, filter off hydrochloric acid.Embathed with distilled water
10min, drains moisture, and the distilled water being repeated 3 times embathes and draining step.The calcining material that will finally embathe be put into baking oven in
105 DEG C of drying obtain the sludge base porous ceramic grain of the doping kitchen garbage of the present embodiment to constant weight.
Specific area measuring：The sludge base porous ceramic grain specific surface area 4.03 made with simple use alum sludge ×
104cm2·g‐1Compare, the alum sludge base porous ceramic grain specific surface area prepared by the present embodiment is 9.33 × 104c
m2·g‐1, improve 1.32 times.
The application of sewage disposal：In the treatment experiment of the electromechanical polishing process phosphorus-containing wastewater to total phosphorus concentration 186mg/L,
The doping kitchen garbage alum sludge base porous ceramic grain of the present embodiment is 10.832gkg to the maximal absorptive capacity of phosphorus‐1, it is total
Tp removal rate is 95.4%, and use the made sludge base porous ceramic grain of alum sludge to the maximal absorptive capacity of phosphorus for
9.715g·kg‐1, total tp removal rate be 92.8%.
Embodiment 2
25kg sludge and 1kg kitchen garbages are taken by 25:1 ratio stirring mixes into pastel, dries, crushes, grinds,
Cross 100 mesh sieves.Mixed well with water, group is made the microballoon of particle diameter 0.5-0.8cm, natural air drying.
Microballoon is inserted in Muffle furnace and is calcined, 500 DEG C of calcining heat, after calcination time 2.5h, stopping is heated and is cooled to
80 DEG C of dischargings obtain calcining material, are placed on cooling in drier.
After calcining material is cooled to room temperature, 5min is embathed with the hydrochloric acid of 0.2M, filter off hydrochloric acid.10min is embathed with distilled water,
Moisture is drained, the distilled water being repeated 3 times embathes and draining step.The calcining material that will finally embathe is put into baking oven in 110 DEG C of bakings
Do to constant weight, obtain the sludge base porous ceramic grain of the doping kitchen garbage of the present embodiment.
Specific area measuring：The sludge base porous ceramic grain specific surface area 4.17 made with simple use alum sludge ×
104cm2·g‐1Compare, the alum sludge base porous ceramic grain specific surface area prepared by the present embodiment is 11.42 × 104c
m2·g‐1, improve 1.74 times.
The application of sewage disposal：In the treatment experiment of the electromechanical polishing process phosphorus-containing wastewater to total phosphorus concentration 186mg/L,
The doping kitchen garbage alum sludge base porous ceramic grain of the present embodiment is 12.235gkg to the maximal absorptive capacity of phosphorus‐1, it is total
Tp removal rate is 96.8%, and use the made sludge base porous ceramic grain of alum sludge to the maximal absorptive capacity of phosphorus for
10.663g·kg‐1, total tp removal rate be 94.7%.
Embodiment 3
Sludge and kitchen garbage are pressed 30:1 ratio stirring mixes into pastel, and 100 mesh are crossed in drying, broken, grinding
Sieve.Mixed well with water, group is made the microballoon of particle diameter 0.5-0.8cm, natural air drying.
Microballoon is inserted in Muffle furnace and is calcined, 600 DEG C of calcining heat after calcination time 2h, stops heating and being cooled to 80
DEG C discharging obtains calcining material, is placed on cooling in drier.
After calcining material is cooled to room temperature, calcining material 5min is embathed with the hydrochloric acid of 0.3M, filter off hydrochloric acid.Embathed with distilled water
10min, drains moisture, and the distilled water being repeated 3 times embathes and draining step.Finally will through the calcining material that embathing be put into baking oven in
120 DEG C of drying obtain the sludge base porous ceramic grain of the doping kitchen garbage of the present embodiment to constant weight.
Specific area measuring：The sludge base porous ceramic grain specific surface area 4.23 made with simple use alum sludge ×
104cm2·g‐1Compare, the alum sludge base porous ceramic grain specific surface area prepared by the present embodiment is 9.12 × 104c
m2·g‐1, improve 1.16 times.
The application of sewage disposal：In the treatment experiment of the electromechanical polishing process phosphorus-containing wastewater to total phosphorus concentration 186mg/L,
The doping kitchen garbage alum sludge base porous ceramic grain of the present embodiment is 10.702gkg to the maximal absorptive capacity of phosphorus‐1, it is total
Tp removal rate up to 95.2%, and use the made sludge base porous ceramic grain of alum sludge to the maximal absorptive capacity of phosphorus for
10.002g·kg‐1, total tp removal rate be 93.1%.
Claims (4)
1. it is a kind of adulterate kitchen garbage waterworks sludge base porous ceramic grain preparation method, it is characterised in that：
1) raw material prepares：
The kitchen garbage of solid content 16-10% is mixed with the municipal sludge stirring of moisture content 65-80% and nurses one's health into moisture content
80% or so pastel, is put into baking oven and is dried to constant weight in 105-120 DEG C, and 4-8mm is crushed to after removing debris；
2) weight portion mixing match：
Sludge：Kitchen garbage=20~30:1
3) preparation process：
(1) the sludge and kitchen garbage pastel for mixing will be stirred in proportion, and drying, broken, grinding cross 100 mesh sieves, then use
Water is mixed well, and group is made the microballoon of particle diameter 5-8mm, natural air drying；
(2) the microballoon by step (1) is inserted in Muffle furnace and calcined, and stopping is heated and calcining material, drier are obtained when being cooled to 80 DEG C
Inside it is cooled to room temperature；
(3) after calcining material is cooled to temperature, calcining material 5min is embathed with the hydrochloric acid of 0.1-0.3M, filter off hydrochloric acid, embathed with distilled water
10min, drains moisture, and the distilled water being repeated 3 times embathes and draining step；Calcining material is finally put into baking oven in drying to perseverance
Weight, the final sludge base porous ceramic grain for obtaining doping bamboo and wood powder.
2. the preparation method of the waterworks sludge base porous ceramic grain of a kind of kitchen garbage that adulterates according to claim 1, it is special
It is calcining, 400-600 DEG C of calcining heat, calcination time 2-3h in described Muffle furnace to levy.
3. the preparation method of the waterworks sludge base porous ceramic grain of a kind of kitchen garbage that adulterates according to claim 1, it is special
It is described kitchen garbage to levy, and refers to all kitchen residues in hotel, restaurant, dining room.
4. the preparation method of the waterworks sludge base porous ceramic grain of a kind of kitchen garbage that adulterates according to claim 1, it is special
It is described drying to levy, and its temperature is 105-120 DEG C.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112811926A (en) * | 2021-01-11 | 2021-05-18 | 沈阳工业大学 | Sintered ceramsite doped with high-silicon iron tailings and preparation method thereof |
| CN114558556A (en) * | 2022-01-11 | 2022-05-31 | 河南工程学院 | Method for jointly preparing gel filler for purifying nitrogen and phosphorus in sewage by using solid wastes |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112811926A (en) * | 2021-01-11 | 2021-05-18 | 沈阳工业大学 | Sintered ceramsite doped with high-silicon iron tailings and preparation method thereof |
| CN114558556A (en) * | 2022-01-11 | 2022-05-31 | 河南工程学院 | Method for jointly preparing gel filler for purifying nitrogen and phosphorus in sewage by using solid wastes |
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Application publication date: 20170531 |