WO2002004365A1 - Produit fabrique a partir de carburant derive de dechets et procede de production de celui-ci - Google Patents
Produit fabrique a partir de carburant derive de dechets et procede de production de celui-ci Download PDFInfo
- Publication number
- WO2002004365A1 WO2002004365A1 PCT/JP2001/005747 JP0105747W WO0204365A1 WO 2002004365 A1 WO2002004365 A1 WO 2002004365A1 JP 0105747 W JP0105747 W JP 0105747W WO 0204365 A1 WO0204365 A1 WO 0204365A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- iron
- binder
- carbonaceous material
- molded product
- refuse
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 22
- 239000003473 refuse derived fuel Substances 0.000 title abstract description 6
- 239000003575 carbonaceous material Substances 0.000 claims abstract description 61
- 239000000463 material Substances 0.000 claims abstract description 50
- 239000011230 binding agent Substances 0.000 claims abstract description 38
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 75
- 238000000746 purification Methods 0.000 claims description 55
- 230000007613 environmental effect Effects 0.000 claims description 43
- 229910052742 iron Inorganic materials 0.000 claims description 38
- 239000004449 solid propellant Substances 0.000 claims description 29
- 230000005484 gravity Effects 0.000 claims description 27
- 239000002699 waste material Substances 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 10
- 239000004576 sand Substances 0.000 claims description 10
- 239000004568 cement Substances 0.000 claims description 9
- 150000002506 iron compounds Chemical class 0.000 claims description 9
- 239000002689 soil Substances 0.000 claims description 7
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000010000 carbonizing Methods 0.000 claims description 5
- 239000004848 polyfunctional curative Substances 0.000 claims description 4
- 238000000197 pyrolysis Methods 0.000 claims description 4
- 239000004927 clay Substances 0.000 claims description 3
- 239000010440 gypsum Substances 0.000 claims description 3
- 229910052602 gypsum Inorganic materials 0.000 claims description 3
- 235000014413 iron hydroxide Nutrition 0.000 claims description 3
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 claims description 3
- 238000003763 carbonization Methods 0.000 abstract description 21
- 230000001737 promoting effect Effects 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 description 16
- 239000000446 fuel Substances 0.000 description 12
- 239000000567 combustion gas Substances 0.000 description 11
- 239000002910 solid waste Substances 0.000 description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 10
- 239000001301 oxygen Substances 0.000 description 10
- 229910052760 oxygen Inorganic materials 0.000 description 10
- 239000010865 sewage Substances 0.000 description 10
- 239000010813 municipal solid waste Substances 0.000 description 8
- 238000001035 drying Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 238000003911 water pollution Methods 0.000 description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 5
- 239000000460 chlorine Substances 0.000 description 5
- 229910052801 chlorine Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 241000195493 Cryptophyta Species 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000002440 industrial waste Substances 0.000 description 3
- 239000006148 magnetic separator Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 241001654684 Pinda Species 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 150000002013 dioxins Chemical class 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- -1 iron ion Chemical class 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000002686 phosphate fertilizer Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- KVGZZAHHUNAVKZ-UHFFFAOYSA-N 1,4-Dioxin Chemical compound O1C=COC=C1 KVGZZAHHUNAVKZ-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 241001474374 Blennius Species 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000010849 combustible waste Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000007922 dissolution test Methods 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 235000015170 shellfish Nutrition 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 239000003516 soil conditioner Substances 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- 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
- B01J20/2803—Sorbents comprising a binder, e.g. for forming aggregated, agglomerated or granulated products
-
- 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
-
- 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
- B01J20/28002—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 physical properties
- B01J20/28004—Sorbent size or size distribution, e.g. particle size
-
- 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
-
- 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
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4875—Sorbents characterised by the starting material used for their preparation the starting material being a waste, residue or of undefined composition
- B01J2220/4887—Residues, wastes, e.g. garbage, municipal or industrial sludges, compost, animal manure; fly-ashes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/20—Agglomeration, binding or encapsulation of solid waste
-
- 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
-
- 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
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/20—Waste processing or separation
Definitions
- the present invention relates to a molded product made from a solid fuel obtained by crushing refuse and drying and shaping it, that is, a so-called RDF (Refuse Derived Fuel) and a method for producing the same.
- RDF Refuse Derived Fuel
- a method for producing the same relates to an environmental purification material using the molded product.
- This solid waste fuel is used as a heat source for cooling and heating of various facilities and as a fuel for power generation.In the use of this solid fuel, new facilities suitable for solid waste solid fuel and renovation of existing facilities Such as capital investment. On the other hand, the amount of refuse generated daily is steadily increasing, and it is desired from the viewpoint of environmental conservation to increase the production of refuse solid fuel in proportion to this.
- the present invention opens a new place to utilize solid waste fuel and The purpose is to promote. In particular, it proposes how to use it from the standpoint of environmental conservation.
- the inventors of the present invention sought ways to use solid waste fuel in a manner that contributes to environmental conservation, and conceived that it would be useful as a purification material for polluted environments.
- water resources such as swamps, lakes, rivers and oceans are becoming increasingly polluted year after year due to contamination with industrial wastewater and domestic wastewater, which has become a serious social problem. It was hoped that they realized that the use of this sewage as a purification material was meaningful.
- the present invention is a molded product comprising a carbonaceous material having a carbon content of 30 to 70 mass% obtained by carbonizing a solid refuse fuel, and a binder.
- the molded product preferably contains the binder in an amount of 5 to 90 mass%, and the binder used in such a case may be selected from the group consisting of cement, gypsum, clay, and a soil hardener. It is more preferable that both are one type.
- any of the above-mentioned molded products is preferably a mixture of at least one selected from the group consisting of iron and iron compounds, and in such a case, the mixture is mixed.
- the iron compound is more preferably at least one selected from the group consisting of iron oxide, iron hydroxide, iron ore, and iron sand.
- the above-mentioned molded products all have a bulk specific gravity of 1.2 to 2.0. Further, the above-mentioned molded products preferably have a particle size of 0.5 to 50.0 mm.
- the present invention also provides, inter alia, an environment-purifying material using any of the above-mentioned molded products shown as an embodiment of the present invention.
- the present invention also includes a method for producing a carbonaceous material having a carbon content of 30 to 70 mass% by carbonizing a refuse solid fuel, mixing a binder with the carbonaceous material, molding, and drying. It is a thing. In this production method, it is preferable to mix at least one selected from the group consisting of iron and an iron compound when mixing the binder, and the carbonaceous material is used after being washed with water. Manufacturing methods are more preferred. BRIEF DESCRIPTION OF THE FIGURES
- FIG. 1 is a diagram showing an example of a facility for producing a carbonaceous material used in the present invention.
- FIG. 2 is a diagram showing another example of a facility for producing a carbonaceous material used in the present invention.
- FIG. 3 is a diagram showing a process for producing a molded product and an environmental purification material from a carbonaceous material.
- the present invention has been found to be able to function as a sewage purifying material by using solid waste as a carbonaceous material and further giving an appropriate shape or adjusting the specific gravity. Therefore, the molded product of the present invention, or an environmental purification material using the molded product, is made of a refuse solid fuel processed into a predetermined shape through crushing of refuse and dry molding, so-called RDF, as a starting material. .
- the present invention relates to a carbonaceous material having a carbon content of 30 to 70 raass% obtained by carbonizing this refuse solid fuel, a molded product composed of pinda, or an environmental purification material using the same.
- the carbonaceous material constituting the molded product has a carbon content of 30 to 70 mas. Use what is s%. That is, when the molded article is used as an environmental purification agent, the purification function can be sufficiently secured if the carbon content of the carbonaceous material is 3 Omass% or more. On the other hand, if the carbon content is less than 70 mas S %, the carbonaceous material is low in volatile content, so when the molded product is used as an environmental purification material, oil may be eluted into water and cause water pollution. Is lost.
- the carbon content of the molded article of the present invention is preferably from 30 to 60 mass%, more preferably from 40 to 60 mass%. Therefore, when carbonizing refuse solid fuel, select carbonization conditions to obtain carbonaceous materials with a carbon content of 30 to 70 ma SS %.
- the carbonaceous material obtained by such dry distillation is often a powder having a particle size of about 0.05 to 5.0 mm.
- the particle size of the carbonaceous material is not particularly specified. However, depending on the shape, it can be naturally used by pulverizing or the like so as to have a normal particle size.
- carbonization of refuse solid fuel consisting of refuse such as municipal refuse, household refuse, industrial waste, and municipal waste yields a carbonaceous powder with the typical composition shown in Table 1, for example.
- This carbonaceous material is rich in biocompatibility and forms a biofilm on its surface, so it is effective for sewage purification.
- it is difficult to use powder as it is, without sinking into sewage areas without sinking.
- the molded article of the present invention contains a binder.
- the content of the binder in the molded article of the present invention is preferably 5 to 90 mass%. This is because if the binder content is 5 mass% or more, the shape having sufficient strength can be maintained after the binder is mixed with the carbonaceous material and molded. On the other hand, by setting the content of the binder to 90 mass% or less and the content of the carbon material to at least 10 mass% or more, the purification function is easily developed. Yo A more preferable binder content is 10 to 30 mass%.
- the binder has a function of bonding the carbonaceous materials to each other, and is preferably of a type that bonds by filling gaps between the materials.
- this kind of binder when this kind of binder is used, an aggregate of carbonaceous materials bonded via the binder, that is, a molded product becomes porous and the porosity increases, so that the exposed area increases. Therefore, when such a molded product is used as an environmental purification material, the exposed area where the carbonaceous material comes into contact with the sewage increases, and a high purification ability can be obtained.
- this kind of binder at least one selected from the group consisting of cement, gypsum, clay and soil hardener is preferable.
- cement is recommended because it exhibits strength at a content of about lOmass%, and the required and sufficient strength is obtained at about 30raass%.
- suitable soil hardening agent include a mixture of lightly burned magnesium and a soluble phosphate fertilizer. This soil hardener is weak in strength and also acts as a phosphate fertilizer, so it is convenient for plant propagation.
- the carbonaceous material when acting as a binder, a type that acts so as to wrap the carbonaceous material in a film shape is inappropriate. In other words, the carbonaceous material needs to be exposed on the surface as a molded product and environment-purifying material, but if the carbonaceous material is covered with a binder, the exposed area of the carbonaceous material decreases. However, the original function is not exhibited. Examples of this type of binder include water glass and resin, and its use is preferably avoided.
- the above-mentioned molded product or the environmental purification material using the same as a raw material is a mixture of at least one selected from the group consisting of iron and iron compounds (hereinafter, this may be referred to as an iron source).
- the mixed iron compound is more preferably at least one selected from the group consisting of iron oxide, iron hydroxide, iron ore and iron sand.
- the iron source is suitably used as a specific gravity adjustment or an iron ion source in a molded article or an environmental purification material molded through the binder.
- the molding environment Purifying materials are mainly used by spraying them in polluted areas.
- the polluted areas are located in the sea or river, they are affected by tides on the coast and water flows in the river.
- the function may not reach the entire contaminated area.
- the specific gravity is adjusted to the same level as the sand on the shore, it will behave in the same way as sand, etc., preventing uneven distribution. Therefore, it is extremely convenient to adjust the specific gravity by changing the mixing amount of the iron source according to the spraying environment of the molded article and the environmental purification material.
- the functions of the molded article and the environmental purification material can be extended to a desired range.
- the bulk specific gravity of the molded article of the present invention or the environmental purification material using the same is 1.2 to 2.0, more preferably 1. It is good to be 4 to 1 â 7. Since the molded article of the present invention or an environmental purification material using the same is more favorable for environmental purification, the specific gravity is defined by the bulk specific gravity.
- the iron source in the molded article or environmental purification material plays a role as a specific gravity adjusting material to approximate the specific gravity of the sediment or sediment in the sea area (water body) to be purified. Therefore, as for the content of the iron source, it is desired to add the carbonaceous material so as to contain 10 mass% or more from the viewpoint of securing the purification action. Therefore, in a mixture of both the carbonaceous material and the iron source, a usage form in which the content is less than 70 mass% is preferable.
- the function of iron ions that elutes from the iron source creates an environment in which algae can grow and micro-organisms can easily inhabit. I do.
- iron source dust collected in steel works and steel works, crushed powder of iron ore, or iron powder and iron sand used in powder metallurgy can be used.
- Each of them has a high specific gravity, so it is suitable as a specific gravity adjusting material, and since it is inexpensive, it is a material suitable for being combined with an inexpensive carbonaceous material made from waste.
- Iron scrap has been used as a fishing reef, and iron is also an element that naturally exists in nature.Therefore, there is no danger of deteriorating the environment even if an iron source is included in molded products and environmental purification materials. .
- the molded product and the environmental purification material obtained by mixing the carbonaceous material with a binder and, if necessary, an iron source have a mass, particularly a specific gravity, necessary for sedimentation when put into a sewage area. Therefore, it can be stopped in this sewage area.
- the molded product and the environmental purification material have a structure in which a carbonaceous material and an iron source are attached around one minute of the pinda. As a result, a biofilm is formed on the carbonaceous material, and purification by microorganisms is performed here. Done. Furthermore, the same effect as activated carbon, which directly adsorbs pollutants on carbonaceous materials, can be expected.
- the molded product and the environmental purification material of any of the above-described embodiments may take any shape according to the use environment, and the shape is not particularly limited.
- the particles in consideration of the purification in the water environment as described above, it is preferable that the particles have a particle size of 0.550.0 mm. This is because if the particle size is 0.5 mm or more, there is little risk of water pollution and erosion due to water flow. On the other hand, if the particle size is 50.0 or less, the specific surface area does not decrease and the purification function does not decrease. More preferably, the range is 1.030. Omra.
- the particle size should be selected within the above range when forming by granulation, and at least 90% of the particulate matter having the particle size within a predetermined range should be selected. Or sieving the resulting granules to exclude those out of range.
- Table 1 the carbonaceous material obtained from carbonization of refuse solid fuel exemplifies carbon from refuse.
- molded products and environmental purification materials made from this carbonaceous material are optimally used for marine pollution.
- chlorine is removed as described later, it is of course possible to apply the molded product and the environmental purification material to freshwater contamination.
- the molded article and the environmental purification material of the present invention have an effect of adsorbing contaminants by carbon and, as shown in Table 1, contain C, Ca and K, which are plant nutrient elements. It is also possible to use as. In other words, when the molded product and the environment-purifying material are sprayed on the soil, the bacterium propagates in the pores of the carbonaceous material, so that the soil can be activated. When it is used as such a soil conditioner, it is advantageous to use a molded product and an environmental purification material with a diameter of 30. Omm or less.
- At the time of mixing the binder at least one kind selected from the group consisting of iron and an iron compound (hereinafter sometimes referred to as an iron source) is also mixed. It is preferable to use a production method in which the carbonaceous material is washed with water and then used.
- FIG. 1 shows an example of a manufacturing facility for producing carbonaceous material from waste through solid fuel.
- Process Diagram A the production of solid fuel is shown by Process Diagram A, and the subsequent solidification of solid fuel is shown by a schematic diagram.
- reference numerals 1 and 6 are crushers, 2 is a dryer, 3 is a molding machine, 4 is a trash separation machine, 5a and 5b are magnetic separators, 10 is a carbonization furnace, and 11 is a drying furnace.
- Distilled gas combustion device 12 is a boiler, 12a and 12b are water tube groups, 13a and 13b are heat exchange means, 14 is a solid fuel storage hopper, 15 is a fixed amount supply of solid fuel such as a screw feeder Equipment, 16 is a carbonaceous material storage hopper after carbonization, 17 is a after-panner, 18 is a combustion air fan, 19 is a combustion air supply pipe, 19a is a combustion air supply header, and 20 is a dryer.
- 21 is a combustion gas quenching shirt
- 22 is a package boiler
- 23 is pure oxygen
- 24 is a chimney
- 25 is dry Combustion gas supply pipe to the â 2
- CV is the flow rate control valve
- the conveying direction f 2 Wagomi solid transport direction of the fuel
- f 3 of Wagomi indicates the discharge direction of the carbonaceous material.
- a heating furnace such as an internal combustion oscillating kiln as the carbonization furnace 10
- the type of the carbonization furnace 10 is not particularly limited.
- the method is not limited as long as the method can prevent oxidation of the compound.
- the dried refuse is crushed again, and if necessary, metals are removed by a magnetic separator 5b, and then molded by the molding machine 3, to produce refuse solid fuel.
- This solid waste fuel is supplied to the carbonization furnace 10 via the storage hopper 14 and the quantitative supply device 15.
- a carbonaceous material having a carbon content of 30 to 70 mAS s% can be obtained by performing the carbonization treatment while maintaining the oxygen concentration in the furnace at lvol% or less.
- the carbon material becomes porous because the volatile components in the solid fuel are dissipated by the dry distillation.
- concentration of dioxin generated from the carbonaceous material it is preferable to control the carbonization temperature at 600 ° C. or higher, preferably at 800 ° C. or higher.
- the carbonaceous material produced by carbonization in the carbonization furnace 10 is discharged from the carbonization furnace 10 and stored in the storage hopper 16.
- the carbonization gas generated during the carbonization treatment is completely burned in the combustion device 11. You. In consideration of safety, it is preferable to inject high-temperature combustion gas from the wrench 17. Then, the high-temperature combustion gas of 1000 ° C. or higher generated in the combustion device 11 is heat-recovered in the form of steam in the poiler 12, quenched by the combustion gas quenching device 21, and then exhausted from the chimney 24.
- the temperature of the combustion gas at the outlet side of the boiler 12 is 600 ° C or more, preferably 800 or more, and the combustion gas in the combustion device 11 and the boiler 12 is 600 ° C or more, preferably 800 ° C or more.
- the retention time of the fuel gas is set to 2 seconds or more, and the combustion gas is quenched by the combustion gas quenching device 21 to reliably prevent the generation of dioxins.
- the steam generated in the poiler 12 is supplied to the solid waste fuel production facility through the steam supply pipe 20, and is used as a heat source for drying the waste by the heat exchange means 13a.
- steam from the package poiler 22 is used to dry the refuse at the start of the operation.
- the package poiler 22 can generate steam in a short time due to kerosene combustion or heavy oil combustion. Then, the drying of the refuse is started by the steam from the package poiler 22, and after the carbonization gas is generated in the carbonization furnace 10 and the steady generation of steam is confirmed in the poiler 11, the package boiler 22 is stopped.
- combustion gas produced by high-temperature combustion of the carbonized gas is supplied to the dryer 2 through the combustion gas supply pipe 30, and heat is exchanged with the refuse by the heat exchange means 13b. You can also dry the garbage.
- a pure oxygen and oxygen-enriched air supply pipe 23 for injecting pure oxygen or oxygen-enriched air is attached to the carbonized gas combustion device 11 to perform combustion.
- Pure oxygen and Z or oxygen concentration of 21vol% It is preferred to mix more than oxygen-enriched air. Because, by blowing pure oxygen and oxygen-enriched air into the carbonization gas combustion device, it is possible to achieve even higher-temperature combustion in the carbonization gas combustion device 11 and further generate dioxins. This is because it can be easily suppressed.
- the carbonaceous material produced as described above is subjected to a water-washing treatment if necessary, and is conveyed to the next step.
- the transported carbon material is mixed with a binder and, if necessary, an iron source.
- the molded article of the present invention or an environmental purification material using the same preferably has a specific gravity according to the use environment, and an iron source is suitably used for adjusting the specific gravity. That is, as shown in FIG. 3, the carbonaceous material 30, the binder (for example, cement) 31a, and if necessary, the iron source (for example, iron sand) 31b are cut into the stirring tank 32 in predetermined amounts. .
- a molding machine for example, a granulator
- Water is further added in the stirring tank 32 to mix the contents, and the resulting mixture is supplied to a molding machine (for example, a granulator) 33. It is formed into a predetermined diameter in a forming machine 33, dried and solidified by heating on a conveyor 34, and then stored in a hopper 35. Then, it is cut out from the hopper 35 to, for example, a transport truck 36 and shipped.
- a disk-type pelletizer is illustrated as the molding machine 33, but a vibrating granulator or other general granulators and molding machines can be used.
- chlorine when chlorine derived from refuse is disliked as a molded product environmental purification material, chlorine can be further removed from the molded product environmental purification material. That is, since the chlorine source contained in the carbonaceous material is NaCl, as described above, it is possible to easily remove chlorine by subjecting the carbonaceous material to a water washing treatment before mixing with the binder. It is. Since the water used for the water-washing treatment contains NaCl, it is desirable to remove the SS (Suspended Solids), COD (Chemical Oxygen Demand), etc. before discharging it to the sea.
- SS Small Solids
- COD Chemical Oxygen Demand
- Table 2 shows the results of an investigation on the properties and composition of the molded product obtained using cement as the binder.
- Table 3 shows the results of investigations on dissolution tests for various environments using this molded product as it is as an environmental purification material.
- Furnace oxygen concentration 1 vol% or less
- Carbonaceous material temperature 600 ° C
- a molded product having a binder content of 23 mass% was obtained.
- Table 4 the results of an exposure test conducted in seawater for the purification function of this molded product showed that the growth of algae was better and that of shellfish compared to ordinary concrete for growing seaweed beds. Was also good.
- the propagation of animals and plants indicates that the growth environment is excellent, and also indicates that it has a water purification effect.
- iron sand was mixed in as an iron source, and a specific gravity molded product was also produced under the following binder mixing conditions. did.
- the specific gravity was adjusted to 1.4 to 1.6 in accordance with the average bulk specific gravity of shoreline sand of 1.4 to 1.6 (true specific gravity of 2.4 to 2.6).
- Table 5 shows the properties and composition of the obtained molded product.
- the molded product with an average particle size of 5 mm obtained in this way was used as it was as an environmental purification material in a shore spray test. After three months had passed, an examination of the uneven distribution of the environmental purification materials in the area where the environmental purification materials were sprayed showed that there was almost no change in the amount of runoff due to waves or the amount of mixture in sediments. [Binder mixing process: heavy specific gravity molded product]
- a mixture of carbonaceous material: 57 mass% and iron sand: 43 mass% was mixed with 30 mass% of cement and 20 mass% of moisture, and granulated.
- a molded product having a binder content of 23 mass% was obtained.
- Standard 1 Wastewater discharge standard value based on the Water Pollution Control Law
- 2 Landfill disposal standard value based on the Water Pollution Control Law
- 3 Soil pollution environmental standard value based on the Water Pollution Control Law
- solid waste fuel is formed into a molded product, which is used as an environmental purification material. Therefore, the consumption of solid fuel is promoted to promote environmentally friendly waste treatment, and at the same time, the environment is improved. Can be measured.
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing Of Solid Wastes (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Description
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Claims
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I . ãã¿åºåœ¢çæã也çããŠåŸãããççŽ å«æçã 30 70maSs%ã®ççŽ è³ªææ ãšã ãã€ã³ããŒãããªãæ圢ç©ã
2 . åèšãã€ã³ããŒã 5 90mass%å«æããè«æ±é
1ã«èšèŒã®æ圢ç©ã
3 . åèšãã€ã³ããŒãã»ã¡ã³ãã ç³èã ç²åããã³åå£ç¡¬åå€ãããªã矀ãã éžã°ããå°ãªããšã 1çš®ã§ããè«æ±é
2ã«èšèŒã®æ圢ç©ã
4 . ç²åŸã 0. 5 ~50. 0 ã§ããè«æ±é
1ã«èšèŒã®æ圢ç©ã
5 . è«æ±é
1 ~ 4ã®æ圢ç©ãçšããç°å¢æµåæã
6 . è«æ±é
1 4ã«èšèŒã®æ圢ç©ã§ãã£ãŠã ããã«éãããŽéååç©ããæã 矀ããéžã°ããå°ãªããšã 1çš®ãæ··åãããæ圢ç©ã
7 . åèšéååç©ãã é
žåéã æ°Žé
žåéã éé±ç³ããã³ç éãããªã矀ããéž ã°ããå°ãªããšã 1çš®ã§ããè«æ±é
6ã«èšèŒã®æ圢ç©ã
8 . 嵩æ¯éã 1. 2 2. 0ã§ããè«æ±é
6'ã«èšèŒã®æ圢ç©ã
9 . è«æ±é
6ã«èšèŒã®æ圢ç©ãçšããç°å¢æµåæã
10. ãã¿åºåœ¢çæã也çããŠççŽ å«æçã 30 70maSs%ã®ççŽ è³ªææãåŸã 該 ççŽ è³ªææã«ãã€ã³ããŒãæ··åããŠæ圢ããã®ã¡ä¹Ÿç¥ããæ圢ç©ã®è£œé æ¹æ³ã
II . è«æ±é
10ã«èšèŒã®è£œé æ¹æ³ã«ãããŠã 該ãã€ã³ããŒãæ··åããéã«ã ãã ã«éããã³éååç©ãããªã矀ããéžã°ããå°ãªããšã 1çš®ãæ··åããæåœ¢ç© ã®è£œé æ¹æ³ã
12. åèšççŽ è³ªææãæ°ŽæŽããŠããçšããè«æ±é
10ãŸã㯠11ã«èšèŒã®æ圢ç©ã® 補é æ¹æ³ã
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020027002932A KR20020026007A (ko) | 2000-07-06 | 2001-07-03 | ì°ë êž° ê³ íì°ë£ë¡ë¶í° ì ì¡°í ì±í묌 ë° ê·ž ì ì¡°ë°©ë² |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2000204851 | 2000-07-06 | ||
JP2000-204851 | 2000-07-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002004365A1 true WO2002004365A1 (fr) | 2002-01-17 |
Family
ID=18702044
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2001/005747 WO2002004365A1 (fr) | 2000-07-06 | 2001-07-03 | Produit fabrique a partir de carburant derive de dechets et procede de production de celui-ci |
Country Status (3)
Country | Link |
---|---|
US (1) | US20030069133A1 (ja) |
KR (1) | KR20020026007A (ja) |
WO (1) | WO2002004365A1 (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH078936A (ja) * | 1993-04-13 | 1995-01-13 | Nakayasu:Kk | ææ©å»æ£ç©ãçåããæ¹æ³åã³è£ 眮 |
JPH089954A (ja) * | 1994-06-30 | 1996-01-16 | Sapporo Breweries Ltd | ããŒã«ç²çåç© |
JPH08176545A (ja) * | 1994-12-26 | 1996-07-09 | Taiyo Consultants Kk | å¯çæ§ãŽãã®å©çšæ³ |
JPH08299992A (ja) * | 1995-05-08 | 1996-11-19 | Energy Support Corp | ææ©æ±æ³¥åŠçæ¹æ³åã³ãã®åŠçè£ çœ® |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0952960B1 (de) * | 1996-08-20 | 2003-06-04 | MHB Filtration GmbH & CO. KG | Körnige aktivkohle aus destillationsrÌckstÀnden |
-
2001
- 2001-07-03 WO PCT/JP2001/005747 patent/WO2002004365A1/ja active Application Filing
- 2001-07-03 US US10/069,594 patent/US20030069133A1/en not_active Abandoned
- 2001-07-03 KR KR1020027002932A patent/KR20020026007A/ko not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH078936A (ja) * | 1993-04-13 | 1995-01-13 | Nakayasu:Kk | ææ©å»æ£ç©ãçåããæ¹æ³åã³è£ 眮 |
JPH089954A (ja) * | 1994-06-30 | 1996-01-16 | Sapporo Breweries Ltd | ããŒã«ç²çåç© |
JPH08176545A (ja) * | 1994-12-26 | 1996-07-09 | Taiyo Consultants Kk | å¯çæ§ãŽãã®å©çšæ³ |
JPH08299992A (ja) * | 1995-05-08 | 1996-11-19 | Energy Support Corp | ææ©æ±æ³¥åŠçæ¹æ³åã³ãã®åŠçè£ çœ® |
Also Published As
Publication number | Publication date |
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US20030069133A1 (en) | 2003-04-10 |
KR20020026007A (ko) | 2002-04-04 |
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