WO2011018976A1 - Système de traitement par séchage de boue organique et procédé de traitement par séchage - Google Patents

Système de traitement par séchage de boue organique et procédé de traitement par séchage Download PDF

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Publication number
WO2011018976A1
WO2011018976A1 PCT/JP2010/063255 JP2010063255W WO2011018976A1 WO 2011018976 A1 WO2011018976 A1 WO 2011018976A1 JP 2010063255 W JP2010063255 W JP 2010063255W WO 2011018976 A1 WO2011018976 A1 WO 2011018976A1
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Prior art keywords
organic sludge
drying
water
organic
substance
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Application number
PCT/JP2010/063255
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English (en)
Japanese (ja)
Inventor
聰一郎 岡村
哲雄 大桐
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太平洋セメント株式会社
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Publication of WO2011018976A1 publication Critical patent/WO2011018976A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F26B23/001—Heating arrangements using waste heat
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
    • 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
    • C04B7/00—Hydraulic cements
    • C04B7/36—Manufacture of hydraulic cements in general
    • C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
    • C04B7/44—Burning; Melting
    • C04B7/4407—Treatment or selection of the fuel therefor, e.g. use of hazardous waste as secondary fuel ; Use of particular energy sources, e.g. waste hot gases from other processes
    • C04B7/4446—Treatment or selection of the fuel therefor, e.g. use of hazardous waste as secondary fuel ; Use of particular energy sources, e.g. waste hot gases from other processes the fuel being treated in a separate gasifying or decomposing chamber, e.g. a separate combustion chamber
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L5/00—Solid fuels
    • C10L5/40—Solid fuels essentially based on materials of non-mineral origin
    • C10L5/46—Solid fuels essentially based on materials of non-mineral origin on sewage, house, or town refuse
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/04—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44—Details; Accessories
    • F23G5/46—Recuperation of heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/001—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals for sludges or waste products from water treatment installations
    • 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
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2900/00—Special arrangements for conducting or purifying combustion fumes; Treatment of fumes or ashes
    • F23J2900/01005—Mixing water to ash
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
    • F26B2200/18—Sludges, e.g. sewage, waste, industrial processes, cooling towers
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/10—Biofuels, e.g. bio-diesel
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
    • 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
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Definitions

  • the present invention relates to a system and method for drying and treating organic sludge using a cement production facility.
  • Patent Document 1 the organic sludge is dried using the extraction gas from the clinker cooler in the cement manufacturing process as a heat source, the dried organic sludge is burned with a kiln burner or the like, and the exhaust gas generated in the drying process is It describes that it is deodorized by introducing it at a temperature of 700 ° C. or higher in the cement manufacturing process.
  • Patent Document 2 a dehydrated cake is mixed on the surface of dried sludge produced in advance, and the dried exhaust gas after drying the mixed sludge is attracted by a drying fan, and a part of the attracted dried exhaust gas (1 Secondary dry exhaust gas) is mixed with high-temperature air through the first duct and used to dry the mixed sludge, and the remainder of the dry exhaust gas (secondary dry exhaust gas) is introduced into the combustion furnace through the second duct for deodorization, etc.
  • Secondary dry exhaust gas 1 Secondary dry exhaust gas
  • secondary dry exhaust gas is introduced into the combustion furnace through the second duct for deodorization, etc.
  • organic sludge retains about 80% of the water as biological water inside the cell wall, and the amount of heat for removing this water and the amount of heat obtained when used as fuel after drying are almost in competition. Yes.
  • a method of using waste heat discharged from a cement manufacturing plant or using paid plastic waste as a heat source has been proposed.
  • the temperature of the preheater exhaust gas is about 450 ° C. at the maximum, and even when waste plastic is used as a heat source, corrosion by hydrochloric acid (HCL) is a serious problem when trying to burn above 400 ° C. It becomes.
  • the present invention has been made in view of the problems in the above-described conventional technology, and by increasing the evaporation efficiency of moisture contained in the organic sludge and the drying rate of the organic sludge, an organic sludge treatment facility is provided. It aims at providing the drying processing system etc. which can process a condensed water efficiently while reducing in size.
  • the present invention is an organic sludge drying treatment system, and an organic sludge drying apparatus which uses a heat source for drying organic sludge as an exhaust gas of 450 ° C. or less discharged from a cement manufacturing facility, A water vapor condensing device that condenses water vapor generated by drying by the organic sludge drying device, and an incinerated ash water washing device that uses water condensed by the water vapor condensing device for washing the incinerated ash.
  • the water vapor is condensed and separated to eliminate the need for the combustion process of the water vapor, and the condensed water is used for washing the incinerated ash to wash the incinerated ash. Since the water can be covered, the organic sludge can be dried and the incinerated ash can be washed with water while keeping the equipment cost and the operation cost low.
  • the organic sludge drying treatment system is further provided with a decomposition substance addition device for adding a substance for degrading the protein in the organic sludge in the organic sludge drying device or in the preceding stage of the organic sludge drying device. It is possible to destroy the cell wall of cells contained in organic sludge by adding a substance that decomposes the protein in organic sludge from the decomposition substance addition device, exposing the biological water inside the cell wall Thus, the evaporation efficiency of the water can be increased, and the organic sludge can be efficiently dried.
  • the heat source can be a heat medium discharged from a waste heat boiler attached to the cement manufacturing facility.
  • the amount of processing gas after drying can be kept low, and the cost required for gas processing can be reduced.
  • the organic sludge In the organic sludge drying treatment system, the organic sludge can be indirectly heated by the exhaust gas or the heat medium. Thereby, the process of the gas after drying organic sludge becomes easy, and installation cost and operation cost can be held down further.
  • the present invention also relates to a method for drying organic sludge, wherein the organic sludge is dried using an exhaust gas of 450 ° C. or less discharged from a cement production facility as a heat source, and water vapor generated by the drying is condensed, and the condensed The water is used for washing incinerated ash.
  • the waste heat from the cement production facility is used, the combustion process of water vapor is unnecessary, and the water for the washing treatment of the incinerated ash is covered with condensed water, so that the equipment cost and the operation cost
  • the organic sludge can be dried and the incinerated ash washed with water at the same time.
  • a substance capable of degrading the protein in the organic sludge can be added before the organic sludge is dried or during the drying of the organic sludge.
  • the substance capable of degrading the protein can be any one or more of strong alkali, strong acid substance and protein degrading enzyme.
  • activated carbon can be added to the condensed water.
  • this organic acid is adsorbed on the activated carbon, preventing the organic acid from remaining in the desalted waste water after washing, and reducing odor. it can.
  • the dried organic sludge can be used as a cement fuel, and the incinerated ash washed with water can be used as a cement raw material.
  • drying of organic sludge and washing of incinerated ash with a cement production facility can be performed, and the dried organic sludge can be effectively used as cement fuel and incinerated ash can be used as a cement raw material.
  • the evaporation efficiency of water contained in organic sludge and the drying speed of organic sludge are increased, the processing equipment for organic sludge is miniaturized, and the drying capable of efficiently treating condensed water.
  • a processing system or the like can be provided.
  • FIG. 1 is an overall configuration diagram showing an embodiment of an organic sludge drying treatment system according to the present invention.
  • FIG. 1 shows an embodiment of an organic sludge drying treatment system (hereinafter abbreviated as “drying treatment system”) according to the present invention.
  • the drying treatment system 1 is a cement kiln 3 discharged from a preheater 4.
  • Waste heat boiler 5 that generates superheated steam ST from the combustion exhaust gas G1
  • organic sludge drying device 6 that dries organic sludge SL using superheated steam ST, and a substance that decomposes protein in organic sludge SL Generated by decomposing substance adding device 7, steam condensing device 8 for condensing water vapor contained in gas G3 generated by drying organic sludge SL, incinerated ash water washing device 10 for washing incineration ash A, and water washing And a desalination / drainage treatment device 11 for treating the desalted water L with wastewater.
  • the cement production facility 2 including the cement kiln 3, the preheater 4 and the calcining furnace 9 is generally used for producing cement.
  • the cement kiln 3 is provided with a clinker cooler 3a.
  • the temperature of the combustion exhaust gas G1 discharged from is about 400 ° C. (450 ° C. or less).
  • the waste heat boiler 5 is provided for evaporating water using the combustion exhaust gas G1 to generate superheated steam ST.
  • the waste heat boiler 5 is provided in the cement production facility 2 to generate power using waste heat of the cement production facility 2. Often attached.
  • the organic sludge drying device 6 is provided for drying the organic sludge SL using the superheated steam ST supplied from the waste heat boiler 5, and the hopper 6a into which the organic sludge SL is introduced and the superheated steam ST are introduced.
  • This is an external heating (indirect heating type) drying device comprising a jacket portion 6b and a discharge portion 6c for discharging the dried sludge D.
  • the decomposition substance addition device 7 is provided for adding a substance that decomposes the protein in the organic sludge SL in the organic sludge drying device 6.
  • a strong alkali such as sodium hydroxide (NaOH)
  • NaOH sodium hydroxide
  • a strong acid substance such as sodium hydroxide (NaOH)
  • a proteolytic enzyme that destroys cell tissues, etc., which hydrolyzes peptide bonds
  • the above substances can be added.
  • a protease that hydrolyzes the protein can be used.
  • This protease includes a serine protease, which is an amino acid serine, and a carboxylate of aspartic acid.
  • the group can be roughly divided into acidic proteases in which the group (-COOH) plays an important role, thiol proteases in which the cysteine thiol group plays an important role, and metal proteases in which metal elements such as zinc and calcium play an important role it can.
  • the water vapor condensing device 8 is provided to condense the water vapor contained in the gas G3 generated by drying the organic sludge SL, and supplies the cooling water C to the water vapor condensing device 8 to cool and condense the water vapor.
  • the incineration ash water washing device 10 (submerged pit) is provided for washing the incineration ash A received from municipal waste incineration facilities and the like to remove chlorine, and this water washing includes the condensed water W from the steam condenser 8. Is used.
  • the desalted waste water treatment device 11 is provided for draining the desalted water L discharged from the incinerated ash water washing device 10 so that it can be discharged.
  • the combustion exhaust gas G1 discharged from the preheater 4 is introduced into the waste heat boiler 5 to generate superheated steam ST.
  • the generated superheated steam ST is supplied to the organic sludge drying device 6 and used for drying the organic sludge SL.
  • the exhaust gas G2 discharged from the waste heat boiler 5 can be used by being introduced into a subsequent raw material crushing device, a raw material drying device, or the like.
  • the superheated steam ST from the waste heat boiler 5 is introduced into the jacket 6b, and the organic sludge is heated by the heat of the superheated steam ST at about 350 ° C. Dry SL.
  • the protein decomposing substance DM is introduced from the decomposing substance adding apparatus 7, and the organic sludge SL is dried while decomposing the protein in the organic sludge SL.
  • the dried sludge D is discharged outside through the discharge portion 6c, and then blown into the calcining furnace 9 from the burner 9a to be used as fuel.
  • the superheated steam ST used for drying the organic sludge SL is returned to the waste heat boiler 5 and circulates between the waste heat boiler 5 and the organic sludge drying device 6.
  • the gas G3 discharged from the organic sludge drying device 6 is introduced into the water vapor condensing device 8, and the water vapor contained in the gas G3 is cooled and condensed by the cooling water C.
  • Condensed condensed water W is supplied to the incineration ash water washing apparatus 10 and used for water for water washing treatment of the incineration ash A.
  • the dry gas G4 discharged from the steam condensing device 8 is introduced into the preheater 4 of the cement manufacturing facility 2 to decompose odor.
  • the water vapor contained in the gas G3 is condensed by the water vapor condensing device 8 to remove the water, since the gas G3 does not contain water vapor, the water vapor combustion process becomes unnecessary. A decrease in the thermal efficiency of cement firing can be suppressed.
  • the incineration ash water washing apparatus 10 is used to wash out the incineration ash A to remove chlorine, and after washing with water, the incineration ash A is used as a cement raw material R in the cement production facility 2.
  • the demineralized water L containing the chlorine content discharged from the incinerated ash water washing apparatus 10 after the water washing is drained in the desalting drainage treatment apparatus 11 and discharged into a river or the like as the discharged water RL.
  • the odor of organic sludge exists in all of dry sludge D, gas G3 generated after drying, condensed water W after separation of condensed water, and dry gas G4.
  • an organic acid is present in the condensed water W. Since the organic acid contained in the condensed water W is adsorbed by the incineration ash A, it is thought that the organic acid content of the demineralized water L after the water washing treatment is small and the odor is small. Even when there is an organic acid that has not been adsorbed to the incineration ash A, this organic acid can be adsorbed on the activated carbon, and the organic acid can be prevented from remaining in the demineralized water L after washing with water. .
  • the protein decomposing substance DM is introduced into the organic sludge drying apparatus 6 from the decomposing substance adding apparatus 7, it may be added to the organic sludge SL before the organic sludge drying apparatus 6.
  • the dried sludge D is blown into the calcining furnace 9 through the burner 9 a and used as fuel.
  • the dried sludge D is transferred from the burner 3 b installed in the cement kiln 3 to the cement kiln 3. It can be used as fuel by blowing it into

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Ceramic Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Sustainable Development (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Treatment Of Sludge (AREA)
  • Processing Of Solid Wastes (AREA)
  • Water Treatment By Sorption (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

L'invention concerne notamment un système de traitement par séchage qui tout en augmentant le rendement d'évaporation de l'eau contenue dans une boue organique ainsi que la vitesse de séchage de cette boue, et en permettant une réduction de la taille des installations de traitement de boue organique, permet de traiter avec un bon rendement la condensation d'eau. Le système (1) de traitement par séchage de boue organique est équipé: d'un dispositif (6) de séchage de boue organique dont la source de chaleur destinée à sécher la boue organique (SL) est un gaz d'échappement (G1) d'une température inférieure ou égale à 450°C s'échappant d'une installation (2) de production de ciment; d'un dispositif (8) de condensation de vapeur qui condense la vapeur générée par le séchage au moyen du dispositif (6) de séchage de boue organique; et un dispositif (10) de lavage à l'eau de cendres d'incinération utilisant l'eau (W) condensée au moyen du dispositif (8) de condensation de vapeur pour le lavage de cendres d'incinération (A). En outre, le système de l'invention est de préférence équipé à l'intérieur du dispositif (6) de séchage de boue organique, ou juste avant celui-ci, d'un dispositif (7) d'ajout de substance de décomposition qui ajoute une substance destinée décomposer les protéines contenues dans la boue organique (SL).
PCT/JP2010/063255 2009-08-11 2010-08-05 Système de traitement par séchage de boue organique et procédé de traitement par séchage WO2011018976A1 (fr)

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JP2009-186235 2009-08-11
JP2009186235A JP2011036795A (ja) 2009-08-11 2009-08-11 有機汚泥の乾燥処理システム及び乾燥処理方法

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018513959A (ja) * 2015-01-15 2018-05-31 ハンクク テクノロジー インコーポレイテッド 過熱蒸気を利用した低レベル放射性廃棄物の体積減量システム
CN111646671A (zh) * 2020-06-18 2020-09-11 浙江红狮环保股份有限公司 一种水泥窑协同处置污泥的方法
CN114656124A (zh) * 2022-04-01 2022-06-24 北京金隅红树林环保技术有限责任公司 一种利用水泥窖废热的污泥干化工艺

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102964049B (zh) * 2011-08-26 2015-04-22 三菱综合材料管理（上海）有限公司 含水被处理物的处理系统及含水被处理物的处理方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60126512A (ja) * 1983-12-12 1985-07-06 Ishigaki Kiko Kk 有機質含有汚泥の焼却方法
JPH11138144A (ja) * 1997-11-12 1999-05-25 Toshiba Corp 生ごみ乾燥処理装置
JP2001025799A (ja) * 1999-07-15 2001-01-30 Osaka Gas Co Ltd 汚泥処理方法及び汚泥処理システム
JP2004202449A (ja) * 2002-12-26 2004-07-22 Kowa Co 焼却灰中の重金属除去方法
JP2008114173A (ja) * 2006-11-06 2008-05-22 Sumitomo Osaka Cement Co Ltd 高含水率有機系廃棄物の処理方法及び処理装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60126512A (ja) * 1983-12-12 1985-07-06 Ishigaki Kiko Kk 有機質含有汚泥の焼却方法
JPH11138144A (ja) * 1997-11-12 1999-05-25 Toshiba Corp 生ごみ乾燥処理装置
JP2001025799A (ja) * 1999-07-15 2001-01-30 Osaka Gas Co Ltd 汚泥処理方法及び汚泥処理システム
JP2004202449A (ja) * 2002-12-26 2004-07-22 Kowa Co 焼却灰中の重金属除去方法
JP2008114173A (ja) * 2006-11-06 2008-05-22 Sumitomo Osaka Cement Co Ltd 高含水率有機系廃棄物の処理方法及び処理装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018513959A (ja) * 2015-01-15 2018-05-31 ハンクク テクノロジー インコーポレイテッド 過熱蒸気を利用した低レベル放射性廃棄物の体積減量システム
CN111646671A (zh) * 2020-06-18 2020-09-11 浙江红狮环保股份有限公司 一种水泥窑协同处置污泥的方法
CN114656124A (zh) * 2022-04-01 2022-06-24 北京金隅红树林环保技术有限责任公司 一种利用水泥窖废热的污泥干化工艺

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