WO2003086673A1 - Procede et dispositif d'elimination de substances dangereuses - Google Patents

Procede et dispositif d'elimination de substances dangereuses Download PDF

Info

Publication number
WO2003086673A1
WO2003086673A1 PCT/JP2003/004730 JP0304730W WO03086673A1 WO 2003086673 A1 WO2003086673 A1 WO 2003086673A1 JP 0304730 W JP0304730 W JP 0304730W WO 03086673 A1 WO03086673 A1 WO 03086673A1
Authority
WO
WIPO (PCT)
Prior art keywords
extraction
solvent
dioxins
heavy metal
concentration
Prior art date
Application number
PCT/JP2003/004730
Other languages
English (en)
Japanese (ja)
Inventor
Fumihiro Ojima
Original Assignee
Pbm Kabushiki Kaisha
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pbm Kabushiki Kaisha filed Critical Pbm Kabushiki Kaisha
Priority to AU2003236264A priority Critical patent/AU2003236264A1/en
Publication of WO2003086673A1 publication Critical patent/WO2003086673A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09C—RECLAMATION OF CONTAMINATED SOIL
    • B09C1/00—Reclamation of contaminated soil
    • B09C1/02—Extraction using liquids, e.g. washing, leaching, flotation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/0215—Solid material in other stationary receptacles
    • B01D11/0219—Fixed bed of solid material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/028—Flow sheets
    • 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

Definitions

  • the present invention relates to a method for removing harmful substances for removing dioxins or heavy metals contained in contaminated solids such as incinerated ash of a waste incinerator, industrial waste oil, pesticide residues, contaminated soil, sludge, etc. And equipment.
  • contaminated solids such as incinerated ash of a waste incinerator, industrial waste oil, pesticide residues, contaminated soil, sludge, etc. And equipment.
  • Hazardous substances such as dioxins and heavy metals are often contained in the incineration ash of industrial waste incinerators, industrial waste oil, pesticide residue, contaminated soil, sludge, and other contaminated solids.
  • Conventional techniques for removing such harmful substances are disclosed in Japanese Patent Application Laid-Open No. 2000-79377, Japanese Patent Application Laid-Open No. 2000-159796 and Japanese Patent Application Laid-Open No. 0 0 0—1 6 7 5 3 1
  • Japanese Patent Application Laid-Open No. 2000-79937 discloses that dioxins are extracted from contaminated solids in an organic solvent layer, heavy metals are extracted in an aqueous layer, and dioxins in an organic solvent layer are concentrated.
  • a technique is disclosed in which the organic solvent and water used in the extraction are reused for the extraction by removing the heavy metals in the aqueous layer by filtration, and decomposing by electrolysis.
  • Japanese Unexamined Patent Publication No. 2000-1505794 discloses that contaminated soil is disintegrated, heavy metals and cyanide are extracted by adding water and water, and the soil is purified by solid-liquid separation. A technique for performing this is disclosed.
  • Japanese Patent Application Laid-Open No. 2000-167531 discloses a technique of extracting dioxins from contaminated soil with an organic solvent and purifying the soil by solid-liquid separation.
  • the conventional technology for removing harmful substances, purified soil and the like remain in the extraction device, and thus the treated soil and the like must be removed from the extraction device.
  • dioxins and heavy metals may remain slightly inside the extraction device, and there was a problem that opening the extraction device involved a risk of exposure to harmful substances.
  • the present invention has been made in view of such conventional problems, and provides a method and apparatus for removing harmful substances, which can safely treat harmful substances and improve the treatment efficiency. With the goal. Disclosure of the invention
  • the method for removing harmful substances according to the present invention further comprising: an extraction step of extracting harmful substances from contaminated solids with a solvent in an extraction device; and extracting the harmful substances from the solid-liquid mixture after the extraction step.
  • the harmful substance removing method according to the present invention according to claim 2 is the method according to claim 1, wherein the solvent is separated from the residue sucked by the residue processing apparatus in the suction step.
  • the method for removing harmful substances according to the present invention according to claim 3 includes an extraction step in which dioxins are extracted from dioxin-contaminated solids with an organic solvent in an extraction device, and a dioxin extraction from a solid-liquid mixture after the extraction step.
  • the method for removing harmful substances according to the present invention according to claim 4, comprising: an extraction step of extracting dioxins and heavy metals from dioxin-contaminated solids with an organic solvent and water in an extraction device; and A dioxin separation step of separating the dioxin extract from the solid-liquid mixture into a concentrator, a heavy metal separation step of separating the heavy metal extract from the solid-liquid mixture after the extraction step into a heavy metal tank, A dioxins concentration step of concentrating the dioxins extract separated in the concentrator by the dioxins separation step, and a residue after the dioxins separation step and the heavy metals separation step from the extraction apparatus.
  • the method for removing harmful substances according to the present invention according to claim 5 is the method according to claim 3 or 4, further comprising a decomposition step of decomposing dioxins contained in the dioxin extract concentrated in the concentration step.
  • the method for removing harmful substances according to the present invention according to claim 6, comprising: an extraction step of extracting heavy metals from heavy metal-contaminated solids with water in an extraction device; and a heavy metal extraction liquid from the solid-liquid mixture after the extraction step.
  • the harmful substance removing method according to the present invention according to claim 7 is the method according to claim 4 or 6, wherein the water used in the extraction step is acidic water.
  • the method for removing harmful substances according to the present invention according to claim 8 is the method according to claim 4 or 6, wherein water used in the extraction step is water.
  • the harmful substance removing method according to the present invention according to claim 9 is the method according to claim 1, 2, 3, 4, 5, 6, 7, or 8, wherein the contaminating solids are crushed before the extraction step. It is characterized by having.
  • the pulverization step it is preferable to pulverize the contaminated solid to a particle size of 1 to 2 mm from the viewpoint of the extraction efficiency of dioxins or heavy metals.
  • the method for removing a harmful substance according to the first, second, third, fourth, fifth, sixth, seventh, eighth or ninth aspect, wherein contaminated solid matter is dried before the extraction step. It has a drying step.
  • the harmful substance removing device comprising: a sealable extraction device for storing a contaminated solid matter together with a solvent; and a stirrer for stirring the content inside the extraction device.
  • An extraction heating device for heating the interior of the extraction device; a sealing device connected to the extraction device, and a sealable concentration device for recovering steam generated inside the extraction device; A concentration heating device for heating and concentrating the contents, and steam generated from the concentration device
  • a steam supply path for sending the suction device to the extraction device, a suction device for suctioning a residue inside the extraction device, a sealable residue treatment device for accommodating a suctioned material by the suction device,
  • a drying heating device for heating and drying the contents of the residue processing device, a solvent tank for storing a solvent separated from the residue processing device, and a solvent in the solvent tank. And a solvent supply path for sending to the extraction device.
  • the harmful substance removing device according to the present invention according to claim 12 is the device according to claim 11, wherein a dryer for drying contaminated solid matter, and the extracting device for crushing the dried matter by the dryer. And a crusher for sending the crusher to a crusher.
  • the dryer can be constituted by, for example, a stirrer for stirring the contents and a tank provided with a heating device for heating the contents.
  • the pulverizer can be constituted by, for example, a centrifuge.
  • the method and apparatus for removing harmful substances According to the method and apparatus for removing harmful substances according to the present invention, it is possible to aspirate dioxins and heavy metals from the extractor after the liquid separation step, and to store the dioxins and heavy metals in the residue processing apparatus. There is no need to open the extraction device to remove the later solids. Therefore, even if dioxins and heavy metals remain inside the extraction device, there is no risk of exposure to harmful substances, and the purified solid can be handled safely.
  • the method and apparatus for removing harmful substances according to the present invention it is not necessary to open the extraction device to take out the solid matter after the treatment, so that the extraction is performed by heat treatment when extracting the harmful substances in the extraction step. Even if the temperature inside the apparatus is high, the purified solid can be taken out from the residue processing apparatus, and the processing efficiency can be improved.
  • Examples of the contaminated solid matter that can be treated by the method and apparatus for removing harmful substances according to the present invention include, for example, incinerated ash, fly ash, agricultural chemical residue, and soil generated by incinerating waste such as garbage and sewage sludge. , Sludge and the like.
  • the solvent may be any of an organic solvent, water, and a mixed solvent of an organic solvent and water.
  • the solvent tank may be a tank containing only the organic solvent, only water, the organic solvent and water, and only one of the solvent tank containing the organic solvent and the solvent tank containing water is provided. Both may be provided. It is preferable to select a solvent for extracting harmful substances according to the type of harmful substances to be treated.
  • organic solvent for extracting dioxins examples include aromatic hydrocarbons, aliphatic hydrocarbons, alcohols, dialkyl ethers, esters, ketones, and the like.N-heptane, I-hexane, and cyclohexane One or two or more of mouth hexane, xylene, tonolene, benzene, diisopropylethyl ether, ethyl acetate, and ethyl methyl ketone are preferred.
  • the solvent water is preferably composed of acidic water or alkaline water to facilitate extraction of heavy metals.
  • a general acid can be used, and for example, a hydrochloric acid aqueous solution, a sulfuric acid aqueous solution, a nitric acid aqueous solution, and the like can be used.
  • a general alkaline agent can be used, and for example, an aqueous sodium hydroxide solution, an aqueous hydroxide water solution, or the like can be used.
  • the pH of the acidic water used is preferably 1 to 3.
  • the pH of the alkaline water used is preferably 9 to 11. '
  • the mixing ratio between the organic solvent and the aqueous solution is preferably 3: 7 to 7: 3 by volume, and particularly preferably 1: 1.
  • the extraction method is as follows: (1) Drying of contaminated solids, organic solvent extraction, acidic water extraction, alkaline water extraction, (2) drying of contaminated solids, organic solvent extraction , Alkaline water extraction, acidic water extraction, (3) organic solvent of contaminated solids-mixed solvent extraction with acidic water, organic solvent, alkaline water mixed solvent extraction, (4) organic solvent of contaminated solids ⁇ alkaline water Either of a mixed solvent extraction method and an organic solvent / acidic water mixed solvent extraction method can be used. If contaminated solids are dried, In this case, the drying step may be omitted as shown in FIG.
  • a solid-liquid separation method such as solvent distillation, sedimentation separation, filtration or centrifugation can be used.
  • the filtration method may be any of a pressure filtration method and a reduced pressure filtration method.
  • the solvent contained in the residue treatment device be removed by drying. It is preferable that the exhaust gas by drying is discharged into the air after passing through an oil trap and a filter.
  • the hazardous substance removing device may be installed in a predetermined facility or may be loaded on a trailer, a truck, or the like. Further, as the stirrer, a stirring blade type stirrer, a drum type stirrer, an ultrasonic generator or any other device having a stirring function may be used.
  • FIG. 1 is an overall configuration diagram showing a harmful substance removing device according to an embodiment of the present invention.
  • FIG. 2 is a flow sheet showing a first example of the harmful substance removing method of the present invention.
  • FIG. 3 is a flow sheet showing a second example of the harmful substance removing method of the present invention.
  • FIG. 4 is a flow sheet showing a third example of the harmful substance removing method of the present invention.
  • the toxic substance removal device shown in Fig. 1 is a device for treating contaminated solids such as incinerated ash, fly ash, pesticide residues, soil, and sludge generated by incinerating municipal waste and sewage sludge. is there.
  • the mixed powder frame device 1 is composed of a sealable container and has a heating device la and a stirrer lb.
  • the heating device la functions as a dryer for drying the contaminated solid matter
  • the stirrer lb functions as a crusher for crushing the dried matter.
  • the mixing and crushing apparatus 1 is capable of inserting a movable suction nozzle 3 therein, and is connectable to the centrifuge 5 via the suction nozzle 3.
  • the mixing and grinding device 1 is connected to an oil trap 2 via an exhaust path 2a, and further connected to a vacuum pump 3 and a finoletter 4.
  • a conveyor or other transporting device or transporting method can be used instead of the suction nozzle 3.
  • the centrifuge 5 is connected to a harmful substance separation / extraction device 10 via a passage 9.
  • the centrifuge 5 is a powder frame machine for crushing the dried product sent from the suction nozzle 3 and sending it to the harmful substance separation / extraction device 10.
  • the centrifuge 5 is sequentially connected to an oil trap 6, a vacuum pump 7, and a filter 18 via an exhaust path 5b.
  • the harmful substance separation / extraction device 10 comprises a sealable tank for containing contaminated solids together with a solvent.
  • the harmful substance separation / extraction device 10 contains an organic solvent for extraction and water for extraction.
  • the harmful substance separation / extraction device 10 has a heating device 10a for heating the inside of the tank.
  • the harmful substance separation / extraction device 10 has a suction device 21 and a stirrer 22.
  • the stirrer 22 can be moved up and down by a vertical drive mechanism, and can stir the contents inside the harmful substance separation / extraction apparatus 10 with stirring blades.
  • the suction device 21 has a nozzle that can be moved up and down by a vertical drive mechanism. The suction device 21 separates harmful substances from the nozzle The residue inside the extraction device 10 can be sucked.
  • the harmful substance separation / extraction device 10 is connected to a concentration device 17 via a filter 15 and a pump 18.
  • the concentrating device 17 comprises a sealable tank for recovering the vapor generated inside the harmful substance separation / extraction device 10.
  • the concentrator 17 has a heating device 17a for heating and concentrating the contents of the concentrator 17.
  • the concentration device 17 is connected to the harmful substance separation / extraction device 10 via a solvent vapor supply path 17b.
  • the solvent vapor supply path 17b is composed of a pipe for sending the vapor generated from the concentrator 17 back to the harmful substance separation / extraction apparatus 10.
  • the concentrator 17 is connected to the electrolyzer 19 via an on-off valve.
  • the electrolyzer 19 is a device that decomposes harmful organic compounds such as dioxins and renders them harmless.
  • the electrolyzer 19 has a configuration described in, for example, JP-A-2000-79377 and JP-A-2000-80489.
  • the electrodes of the electrolyzer 19 are made of various materials such as gold electrodes, titanium electrodes, titanium oxide electrodes, silver electrodes, copper electrodes, diamond electrodes, glassy carbon electrodes, carbon electrodes, and modified electrodes thereof. be able to.
  • various shapes such as a plate, a rod, a mesh, a porous, a fiber, a container, and a tube can be used for the electrode.
  • the suction device 21 is connected to a residue processing device 24 via a suction pipe 20.
  • the residue processing device 24 includes a sealable tank for containing the suctioned material by the suction device 21.
  • the suction device 21 has a heating device 24a for heating and drying the contents of the residue processing device 24.
  • the treated ash discharged from the residue processing device 24 is stored in the transport container 32.
  • the residue processing device 24 is sequentially connected to an oil trap 40, a vacuum pump 39, and a filter 38 via an exhaust path 31a.
  • the residue processing device 24 is connected to a solvent tank 28.
  • the solvent tank 28 is a tank for storing the organic solvent separated from the residue processing device 24. Dissolution
  • the medium tank 28 is connected to the harmful substance separation / extraction apparatus 10 via a flow rate control valve 27 and a circulation pump 26 via a solvent supply path 28a.
  • a water tank 30 is further connected to the flow control valve 27.
  • the water tank 30 is a tank for storing water for extracting heavy metals.
  • the flow rate control valve 27 controls the flow rate of the mixed solvent of the organic solvent from the solvent tank 28 and water from the water tank 30.
  • the solvent supply path 28a is composed of a pipe for sending the organic solvent inside the solvent tank 28 and the water inside the water tank 30 to the harmful substance separation / extraction apparatus 10.
  • the solvent tank 30 may be divided into an acidic tank and an alkaline tank.
  • the contaminated solids such as incineration ash charged into the mixing and crushing apparatus 1 are kept at approximately normal temperature, preferably 40 ° C to 60 ° C by the heating device la, and heated and stirred by the mixing and crushing device. Is done.
  • the contaminated solids, which have been crushed to about 1 to 2 mm, are supplied to the centrifuge 5 through the movable suction nozzle 3. In the centrifuge 5 the contaminated solids are further finely crushed.
  • the contaminated solid matter processed by the centrifuge 5 is supplied by gravity through a passage 9.
  • the toxic substance separation / extraction device 10 contains an organic solvent and water.
  • harmful substances such as dioxins, which are organic substances, are extracted from the organic solvent layer, which is the upper layer, and inorganic metals and heavy metals are extracted from the water layer, which is the lower layer.
  • the organic solvent may be one or two of organic solvents for extraction, such as n-heptane, n-hexane, cyclohexane, xylene, tonoleene, benzene, diisopropynoleatenole, ethinoleate, ethyl methyl ketone, etc. More than one species is used.
  • the organic solvent in which dioxins and the like are dissolved in the harmful substance separation / extraction device 10 is evaporated by the heat of the heating device 10a at 40 ° C to 60 ° C and sent to the concentrating device 17 via the filter 15 and the pump 18.
  • harmful substances such as dioxin in the organic solvent are heated and concentrated by heat of about 110 ° C to about 150 ° C.
  • the electrolyzer 19 can be rendered harmless by mixing an organic solvent in which dioxins and the like are dissolved with an organic solvent for electrolysis and performing electrolysis. it can.
  • the ash and water remaining in the harmful substance separation / extraction device 10 from which dioxins have been removed are suctioned by vacuum using a suction device 21 and sent to a sedimentation type residue treatment device 24 through a suction pipe 20. .
  • the organic solvent and water mixed with the extracted ash, metals, heavy metals, and the like in the residue treatment device 24 are collected in a solvent tank 28.
  • the solvent mixed with the extracted ash, metals, heavy metals, etc. is heated and dried by the heating device 24a, discharged through the exhaust path 31a, the oil trap 40, the vacuum pump 39, and the filter 38 to the atmosphere. It is.
  • the processed solids remaining in the residue processing device 24 are stored in the transport container 32 and disposed of.
  • the organic solvent vaporized by the concentration from the concentration device 17 is returned to the harmful substance separation / extraction device 10 through the vapor supply path 17b.
  • the organic solvent in the solvent tank 28 and the water in the water tank 30 are sent to the harmful substance separation / extraction device 10 through the flow control valve 27, the circulation pump 26, and the solvent supply path 28a, and circulated.
  • the residue remaining in the harmful substance separation / extraction device 10 after the treatment was sent to the residue treatment device 24 by the suction device 21 and stored in the transport container 32.
  • dioxin was detected at a concentration of 1 ppb in the contaminated solid matter before treatment, but no dioxin was detected in the treated matter contained in the transport container 32 due to the harmful substance removal treatment.
  • the organic solvent concentrated in the concentrator 17 The medium contained dioxin at a concentration of 9.95 ppb.
  • the residue after the dioxins and heavy metals extraction liquid separation step can be sucked from the harmful substance separation and extraction apparatus 10 and stored in the residue treatment apparatus 24.
  • the harmful substance separation / extraction device 10 there is no need to open the harmful substance separation / extraction device 10 in order to remove the solid matter after the treatment. For this reason, even if dioxins and heavy metals remain inside the extraction device 10, there is no danger of exposure to harmful substances, and the purified solid can be safely handled.

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Processing Of Solid Wastes (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Treatment Of Sludge (AREA)

Abstract

L'invention concerne un procédé et un dispositif d'élimination de substances dangereuses, permettant de traiter en toute sécurité des substances dangereuses et d'améliorer l'efficacité du traitement. Le dispositif comprend un dispositif (10) de séparation et d'extraction de substances dangereuses destiné à stocker une matière solide contaminée avec un solvant, un dispositif (1a) de chauffage destiné à chauffer l'intérieur du dispositif (10) de séparation et d'extraction de substances dangereuses, un dispositif (17) d'enrichissement connecté au dispositif (10) de séparation et d'extraction de substances dangereuses et récupérant la vapeur générée dans le dispositif (10) de séparation et d'extraction de substances dangereuses, un dispositif (17a) de chauffage destiné à chauffer et à enrichir la matière stockée dans le dispositif (17) d'enrichissement, un dispositif (21) d'aspiration destiné à aspirer les résidus dans le dispositif (10) de séparation et d'extraction de substances dangereuses, un dispositif (24) de traitement des résidus destiné à stocker la matière aspirée par le dispositif (21) d'aspiration, et un réservoir (28) à solvant destiné à récupérer le solvant séparé du dispositif (24) de traitement des résidus.
PCT/JP2003/004730 2002-04-17 2003-04-14 Procede et dispositif d'elimination de substances dangereuses WO2003086673A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003236264A AU2003236264A1 (en) 2002-04-17 2003-04-14 Method and device for removing harmful substances

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002-114381 2002-04-17
JP2002114381A JP2005288201A (ja) 2002-04-17 2002-04-17 有害物質除去方法および装置

Publications (1)

Publication Number Publication Date
WO2003086673A1 true WO2003086673A1 (fr) 2003-10-23

Family

ID=29243383

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2003/004730 WO2003086673A1 (fr) 2002-04-17 2003-04-14 Procede et dispositif d'elimination de substances dangereuses

Country Status (3)

Country Link
JP (1) JP2005288201A (fr)
AU (1) AU2003236264A1 (fr)
WO (1) WO2003086673A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102416395A (zh) * 2010-09-24 2012-04-18 联合大学 快速去除垃圾焚化飞灰有害物质的方法
CN107098554A (zh) * 2017-06-01 2017-08-29 武汉巨正环保科技有限公司 一种油田污泥资源化的处理方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007151424A (ja) * 2005-12-01 2007-06-21 Nagaoka Univ Of Technology 加圧熱水処理方法および装置
IT202200008783A1 (it) * 2022-05-02 2023-11-02 Berg Spa Procedimento di trattamento di ceneri ottenute in impianti di incenerimento di rifiuti.
JP7464077B2 (ja) 2022-05-30 2024-04-09 栗田工業株式会社 油分含有廃液からの油分回収方法及び装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07136631A (ja) * 1993-11-24 1995-05-30 Shimizu Corp 汚染土壌の清浄化方法
JPH11244825A (ja) * 1998-03-05 1999-09-14 Mitsubishi Heavy Ind Ltd 飛灰無害化処理方法とその装置
JP2000034142A (ja) * 1998-07-17 2000-02-02 Tsukishima Kikai Co Ltd セメントダストの処理方法およびその装置
JP2000079377A (ja) * 1998-06-30 2000-03-21 Pbm Kk 有害物質除去方法及び装置
JP2000157964A (ja) * 1998-11-27 2000-06-13 Dowa Mining Co Ltd 汚染土壌の浄化方法
JP2000167531A (ja) * 1998-12-03 2000-06-20 Hitachi Zosen Corp 土壌、水またはスラッジ中の有機系有害物質除去方法
JP2001096267A (ja) * 1999-09-30 2001-04-10 Kubota Corp ダイオキシン類汚染物の浄化方法
JP2001334251A (ja) * 2000-03-22 2001-12-04 Kankyo Eng Co Ltd 汚染土壌の浄化処理方法
JP2002086128A (ja) * 2000-09-14 2002-03-26 Shimizu Corp 汚染土壌の洗浄方法

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07136631A (ja) * 1993-11-24 1995-05-30 Shimizu Corp 汚染土壌の清浄化方法
JPH11244825A (ja) * 1998-03-05 1999-09-14 Mitsubishi Heavy Ind Ltd 飛灰無害化処理方法とその装置
JP2000079377A (ja) * 1998-06-30 2000-03-21 Pbm Kk 有害物質除去方法及び装置
JP2000034142A (ja) * 1998-07-17 2000-02-02 Tsukishima Kikai Co Ltd セメントダストの処理方法およびその装置
JP2000157964A (ja) * 1998-11-27 2000-06-13 Dowa Mining Co Ltd 汚染土壌の浄化方法
JP2000167531A (ja) * 1998-12-03 2000-06-20 Hitachi Zosen Corp 土壌、水またはスラッジ中の有機系有害物質除去方法
JP2001096267A (ja) * 1999-09-30 2001-04-10 Kubota Corp ダイオキシン類汚染物の浄化方法
JP2001334251A (ja) * 2000-03-22 2001-12-04 Kankyo Eng Co Ltd 汚染土壌の浄化処理方法
JP2002086128A (ja) * 2000-09-14 2002-03-26 Shimizu Corp 汚染土壌の洗浄方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102416395A (zh) * 2010-09-24 2012-04-18 联合大学 快速去除垃圾焚化飞灰有害物质的方法
CN102416395B (zh) * 2010-09-24 2014-11-19 联合大学 快速去除垃圾焚化飞灰有害物质的方法
CN107098554A (zh) * 2017-06-01 2017-08-29 武汉巨正环保科技有限公司 一种油田污泥资源化的处理方法

Also Published As

Publication number Publication date
AU2003236264A1 (en) 2003-10-27
JP2005288201A (ja) 2005-10-20

Similar Documents

Publication Publication Date Title
US5160636A (en) Process for the treatment of mixed wastes
JP2018501080A (ja) 感染性廃棄物処分
US5273629A (en) Method and apparatus for separating contaminants from fluidizable solids and converting the contaminate to less toxic or non-toxic materials
EP0412815B1 (fr) Procédé et dispositif pour concentrer les matières radioactives dissoutes et solides d'une solution de l'eau du déchet
WO2003086673A1 (fr) Procede et dispositif d'elimination de substances dangereuses
JP2002248455A (ja) 有害物質処理システム及びｐｃｂ処理方法
JP3572021B2 (ja) 厨芥などの有機物を含む廃棄物処理方法及び処理システム
JP2001162259A (ja) ダイオキシンを除去する方法とその装置
JPH1099819A (ja) 廃プラスチック処理分別装置
JP4786046B2 (ja) 汚染土壌の浄化処理方法
CN102380228B (zh) 一种处理飞灰中二噁英的萃取剂及其萃取二噁英的方法
JP4062788B2 (ja) ダイオキシン類を含有した耐火レンガあるいはモルタルの無害化処理方法
JP5725764B2 (ja) Ｐｃｂ汚染物の減容処理システムと減容処理方法
JP4062789B2 (ja) ダイオキシン類を含有した耐火レンガあるいはモルタルの無害化処理方法
JP2001232356A (ja) ダイオキシン類含有液の処理方法及び処理装置
JP3740076B2 (ja) 土壌浄化装置
JPH11290820A (ja) ダイオキシンの分解方法及びその分解処理プラント
JP2004298692A (ja) 廃棄物の処理方法及び処理装置
JP2000167531A (ja) 土壌、水またはスラッジ中の有機系有害物質除去方法
JP6242208B2 (ja) 汚染水浄化システム
JP4319531B2 (ja) 使用残農薬の処理方法とその装置
CN219683465U (zh) 一种生活垃圾焚烧灰飞灰处理装置
CN215327652U (zh) 一种低能耗资源化油泥处理装置
JP2003300099A (ja) 水熱反応装置および方法
JP3594869B2 (ja) 土壌・飛灰中のダイオキシン類の除去方法及び装置

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ OM PH PL PT RO RU SC SD SE SG SK SL TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
122 Ep: pct application non-entry in european phase
NENP Non-entry into the national phase

Ref country code: JP