WO2005092448A1 - 電気分解によるハロゲン化有機物の脱ハロゲン化方法及び装置 - Google Patents
電気分解によるハロゲン化有機物の脱ハロゲン化方法及び装置 Download PDFInfo
- Publication number
- WO2005092448A1 WO2005092448A1 PCT/JP2005/004922 JP2005004922W WO2005092448A1 WO 2005092448 A1 WO2005092448 A1 WO 2005092448A1 JP 2005004922 W JP2005004922 W JP 2005004922W WO 2005092448 A1 WO2005092448 A1 WO 2005092448A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electrolysis
- cathode
- stirring
- electrolytic cell
- ultrasonic wave
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
- A62D3/10—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by subjecting to electric or wave energy or particle or ionizing radiation
- A62D3/11—Electrochemical processes, e.g. electrodialysis
- A62D3/115—Electrolytic degradation or conversion
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
- A62D3/10—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by subjecting to electric or wave energy or particle or ionizing radiation
- A62D3/13—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by subjecting to electric or wave energy or particle or ionizing radiation to sonic energy
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B3/00—Electrolytic production of organic compounds
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
- A62D2101/20—Organic substances
- A62D2101/22—Organic substances containing halogen
Definitions
- the present invention relates to a method for dehalogenating and rendering harmless a halogenated organic compound by electrolysis
- PCBs polychlorinated biphenyls
- dioxins are generally harmful to the human body, and many of them pollute the environment.
- PCB is intractable, so it remains without decomposition for a long time and contaminates the surroundings, making it a major social problem as an environmental pollutant.
- PCB is a very chemically stable substance, there is also a problem that it is difficult to treat it harmlessly at the time of disposal or the like.
- the methods approved by the Waste Disposal Act which regulate the treatment of waste oil containing PCB, include high temperature thermal decomposition method, dechlorination decomposition method, hydrothermal oxidation decomposition method, reductive thermal chemical decomposition. Methods, photolysis methods, plasma decomposition methods are known. Among these, the dechlorination decomposition method is preferred in that it does not require an exceptionally large-sized special decomposition device, or that harmful by-products are not generated, and that the by-products can be reused. .
- the halogen in the halogenated organic matter is a hydrogen etc. by mixing the metallic sodium or the organic alkali metal or the catalyst with the halogenated organic matter and subjecting it to a reaction reaction.
- a reaction reaction reaction See, for example, the following patent documents 1 to 3.
- the metals and catalysts used for dehalogenation decomposition are expensive, and the chemical reaction has to be carried out in an anhydrous organic solvent.
- the present inventors have also proposed a method of mixing PCB and a solvent such as water or acetonitrile and treating the PCB by electrolysis (see Patent Document 5 below).
- This The method is an excellent method because it can detoxify PCBs relatively easily.
- it was still necessary to improve the conditions and equipment of the electrolysis in order to carry out the dehalogenation completely.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2002-756
- Patent Document 2 Japanese Patent Application Laid-Open No. 2001-269673
- Patent Document 3 Japanese Patent Application Laid-Open No. 8-66494
- Patent Document 4 Japanese Patent Application Laid-Open No. 2002-265391
- Patent Document 5 Japanese Patent Application Laid-Open No. 2002-345991
- An object of the present invention is to provide a method for completely and fully dehalogenating a halogenated organic substance by electrolysis, and an electrolytic device used therefor.
- One embodiment of the present invention uses a diaphragm electrolytic cell in which an anode and a cathode are separated, and uses an ultrasonic wave generation means when performing electrolysis and dehalogenation of a halogenated organic substance or a liquid containing the same. Ultrasonication is given, and electrolysis is performed while stirring with stirring means.
- Another aspect of the present invention is the use of a hydrogen storage metal or alloy as a cathode for electrolysis when the halogen organic compound or a liquid containing the same is electrolyzed and dehalogenated. It is the dehalogenation method of the soot organic matter.
- Still another aspect of the present invention is an electrolytic cell for electrolyzing and dehalogenating a halogenated organic substance or a solution containing the same, wherein an anode and a cathode separated by a diaphragm, ultrasonic wave generation It is an electrolytic cell provided with a means and a stirring means.
- the treatment operation is safe. Also, since these halogen organic substances are decomposed by electricity and water to render them harmless, the means' method is relatively easy and inexpensive, And the reaction environment is also clean.
- minute clusters are formed with the halogenated organic substance or with it, for example, water. Then, at the moment when the air bubbles in the cluster are broken, a high-temperature environment of 5000 degrees or more at a high pressure of 1000 atmospheres or more is formed by the ultrasonic cavity effect. Because of the emulsion effect and the cavity effect, the present invention is characterized in that the electrolytic dehalogenation is performed very efficiently.
- FIG. 1 is a schematic view of an electrolytic cell of the present invention.
- halogenation is carried out using an ultrasonic wave generating means using a diaphragm electrolytic cell in which an anode and a cathode are separated.
- an organic substance-containing solution is subjected to an emulsion process and at the same time a normal pressure and a normal pressure, a pressure of 1000 atm and a temperature of 5000 ° are vacuumed, the cavitation effect of the ultrasonic wave is used and the solution is stirred by stirring means.
- it is characterized by performing electrolysis.
- ultrasonic wave application and stirring may be performed intermittently according to a situation where it is not always necessary to always perform.
- the halogenated organic substances to be targeted include fluorine, chlorine, bromine and iodine. It means an aliphatic, alicyclic, aromatic or polycyclic complex compound contained in a child.
- fluorine chlorine, bromine and iodine.
- It means an aliphatic, alicyclic, aromatic or polycyclic complex compound contained in a child.
- PCBs and dioxins that are problematic as having adverse effects on the environment are representative examples.
- the electrolysis conditions vary depending on the condition of the target halogenated organic compound or the liquid containing the same, but the voltage is usually adjusted in the range of 5-500 V and the current in the range of 5-100 A. However, if the electrolytic cell is large, higher voltage'current electrolysis conditions are adopted accordingly.
- the electrolysis may use a DC power source, for example, a 50 to 60 Hz AC power source, or a high frequency power source, for example.
- the electrolysis by adding a salt.
- the voltage required for 200 V with water is preferably reduced to about 20 V, which is a tenth of the voltage, and the temperature rise of the processing solution can be suppressed.
- the amount to be added is 1 to 50 g, preferably 3 to 10 g, per 1 L of treatment solution. It is also preferable to add such a salt such as hydroxide or chloride to the anode side and add a smaller amount to the cathode side, or to conduct electrolysis under the conditions without addition at all.
- a substitution reaction is caused between a halogen of a halogen-containing organic substance and hydrogen generated by electrolysis of water or the like.
- a reversible reaction occurs, and there is a possibility that the PCB can be regenerated by the acidity reaction at the anode. Therefore, it is desirable to prevent the reversible reaction by preventing the product at the cathode from physically contacting the anode.
- a diaphragm electrolytic cell that separates the anode chamber and the cathode chamber is used.
- the diaphragm there are an ion exchange membrane, an organic or inorganic microporous membrane and the like, and among them, an appropriate membrane is easily taken into consideration in consideration of corrosion resistance, mechanical strength, pore diameter distribution, electric resistance and the like. It can be selected.
- the shape is not particularly limited as long as the substance generated and present at the anode and the cathode can be dissolved in the electrolyte and prevented from mixing by diffusive convection. Practically, a diaphragm electrolytic cell in which the anode in the electrolytic cell is covered with a cylindrical anion exchange membrane is convenient.
- the halogen organic substance or the liquid containing the organic substance is used as it is in electrolysis in the form of an organic solvent solution or a mixed liquid with aqueous emulsion or water (treatment liquid).
- treatment liquid aqueous emulsion or water
- an appropriate amount of water is added to form a mixture, or a force to form an emulsion with an appropriate surfactant, or, for example, ultrasonic waves or microwaves. It can be done by treatment.
- ultrasonic waves are applied to the reaction system using an ultrasonic wave generator, for example, an ultrasonic wave generator.
- an ultrasonic wave generator for example, an ultrasonic wave generator.
- the ultrasonic wave generation means for example, a known or commercially available ultrasonic wave generation device can be used.
- the power of the ultrasonic wave is about 1 to 100 W, preferably 10 to 40 W, per liter of the processing solution.
- the ultrasonic wave generation means also includes a means for applying vibration to an object with a frequency other than so-called ultrasonic waves such as microwaves.
- the reaction temperature is generally conveniently carried out at room temperature, but can be adjusted within the range of the lowest temperature and one reflux temperature at which the halogenated organic compound or the solution thereof does not freeze. Also, for example, when electrolysis is performed at a high voltage, the temperature of the treatment solution rises, but in the case of corrosion, the electrolytic cell is cooled, and the evaporated treatment liquid is allowed to pass through the cooling device and be returned to the electrolytic cell. You should do it.
- the reaction time is usually adjusted between 10 and 100 minutes, depending on the throughput.
- the reaction atmosphere may be an open system which is not particularly necessary and may be atmospheric pressure, but the reaction may be carried out in an inert atmosphere such as nitrogen in order to avoid the influence of air as much as possible.
- the electrolysis of the present invention is an electrolytic cell for electrolyzing and dehalogenating a halogenated organic substance or a solution containing the same, comprising: an anode and a cathode separated by the above-mentioned diaphragm; And an electrolytic cell comprising stirring means.
- anode for example, platinum, titanium or carbon is used as the anode.
- the cathode for example, metals such as noradium and titanium and alloys thereof are used.
- the ultrasonic wave generation means is sufficient to remove the treatment solution.
- any type may be used, as long as it emulsifies by means of a ring effect and promotes dehalogenation by a cavity effect, but it is appropriate to use a type in which an ultrasonic oscillation rod connected to an ultrasonic generator is inserted into the treatment solution. It is.
- a stirring means a known or commercially available stirrer may be used.
- As a treatment tank it is not necessary to use a special tank, and for example, electrolysis can be performed using a general container 'apparatus made of stainless steel, glass, or vinyl chloride.
- Another aspect of the present invention is a method of using a hydrogen storage metal or alloy as a cathode in the electrolysis of a halogenated organic substance or a liquid containing the same to carry out a dehydrogenation reaction.
- a hydrogen storage metal such as palladium or a hydrogen storage alloy such as titanium monoiron alloy
- hydrogen generated in the electrolysis is stored in the cathode, and the discharged hydrogen is efficiently substituted with halogen to remove it. It is preferable because it contributes to the halogen reaction and the reduction reaction is efficiently performed.
- the method of using a diaphragm electrolytic cell for electrolysis is preferred. Furthermore, ultrasonic waves are applied to the processing solution using the ultrasonic wave generating means and the stirring means, and the electrolytic decomposition is carried out while stirring. By adopting the method of doing, more favorable results are obtained.
- Yet another aspect of the present invention is an electrolytic cell for electrolyzing and dehalogenating a halogenated organic substance or a liquid containing the same, comprising: an anode and a cathode separated by a diaphragm; It is an electrolytic cell provided with a means and a stirring means.
- the ultrasonic wave generating means and the stirring means may be provided on both the cathode side (cathode chamber) and the anode side (anode chamber), but it is efficient to have at least the cathode side (cathode chamber).
- FIG. 1 is a schematic view of an electrolytic cell showing an example thereof.
- anode 1 platinum electrode
- cathode 2 palladium electrode
- the processing solution 6 is also divided into the anode chamber 4 and the cathode chamber 5 by the diaphragm 3, but a processing solution containing a halogen organic substance or a solution containing the same is put into the cathode chamber 5, and the anode chamber 4 contains alkali metal or alkali. It is efficient to put in an aqueous solution of salts such as hydroxides and chlorides of earth metals.
- An ultrasonic oscillation rod 7 for applying ultrasonic waves to the treatment liquid 6 is inserted into the cathode chamber 5, and a stirring means 8 is also installed in the cathode chamber 5. Even if ultrasonic oscillator rod 7 and stirring means 8 are inserted into both rooms good.
- a dehalogenation reaction of a halogen-containing organic substance occurs by performing electrolysis by supplying a current between the anode and the cathode while applying ultrasonic waves using such an electrolytic cell.
- the processing solution was adjusted by mixing 1 L (liter) of a condenser liquid (PCB concentration, 100 ppm) containing PCB and 1 O g of sodium hydroxide with 20 L of water.
- the electrolytic cell shown in Fig. 1 (the treatment tank is made of stainless steel) is used, and this treatment solution is put in the cathode chamber, while 20 liters of aqueous solution containing 100 g of sodium hydroxide hydroxide is put in the anode chamber
- Electrolysis was performed for 30 minutes at normal temperature and pressure while applying ultrasonic waves using a direct current of
- the average voltage for electrolysis was 20 V and the average current was 50A.
- the radio wave rod used as the ultrasonic wave generating means was a metal rod 45 mm in diameter and 35 cm in length, to which an ultrasonic wave of 20 KHz was applied.
- the ultrasonic power was 255 W on average.
- the applied voltage in the electrolysis was almost constant for 30 minutes, and the power of the force current and the ultrasonic wave gradually increased.
- the processing solution in the cathode chamber was stirred Zm for 1400 times using a commercially available mixer.
- the concentration of PCB in the processing solution after electrolysis was less than 0.5 ppm, which was significantly reduced compared to lOO ppm before electrolysis.
- the method of the present invention it is possible to use a relatively simple method'apparatus, such as transformer oil containing PCB etc. which has become a problem in recent years, other liquid containing PCB etc, or incinerated ash or soil containing dioxin. Therefore, it can be handled very economically. Because the operation is safe under normal temperature and normal pressure, and it can be detoxified by clean processing using water and electricity, its utility value is industrially and environmentally very large.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Emergency Management (AREA)
- Toxicology (AREA)
- Business, Economics & Management (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Electrochemistry (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Fire-Extinguishing Compositions (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/592,120 US20070175767A1 (en) | 2004-03-29 | 2005-03-18 | Method and apparatus for dehalogenating organic halide through electrolysis |
JP2006511444A JPWO2005092448A1 (ja) | 2004-03-29 | 2005-03-18 | 電気分解によるハロゲン化有機物の脱ハロゲン化方法及び装置 |
CN2005800053370A CN1921910B (zh) | 2004-03-29 | 2005-03-18 | 通过电解对卤化有机物进行脱卤的方法以及设备 |
EP05721109A EP1731198A4 (en) | 2004-03-29 | 2005-03-18 | METHOD AND DEVICE FOR THE ENTHALOGENICATION OF ORGANIC HALOGENIDES BY ELECTROLYSIS |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004093948 | 2004-03-29 | ||
JP2004-093948 | 2004-03-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005092448A1 true WO2005092448A1 (ja) | 2005-10-06 |
Family
ID=35056010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/004922 WO2005092448A1 (ja) | 2004-03-29 | 2005-03-18 | 電気分解によるハロゲン化有機物の脱ハロゲン化方法及び装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20070175767A1 (ja) |
EP (1) | EP1731198A4 (ja) |
JP (1) | JPWO2005092448A1 (ja) |
KR (1) | KR20060133553A (ja) |
CN (1) | CN1921910B (ja) |
WO (1) | WO2005092448A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014210120A (ja) * | 2013-04-20 | 2014-11-13 | 株式会社バイオシールドサイエンス | 帯電還元水を用いるpcb無害化方法 |
WO2018062222A1 (ja) * | 2016-09-27 | 2018-04-05 | 株式会社エーアイティー | 有機ハロゲン化合物の分解方法及び装置 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2444925B (en) * | 2006-12-21 | 2011-01-12 | Windsor Scient Ltd | A method for decomposing oil and other organic insoluble and semi-soluble liquids in an aqueous medium |
KR100798410B1 (ko) * | 2007-03-14 | 2008-01-28 | 한국원자력연구원 | 폐절연유 내의 염소 성분 제거 방법 |
WO2008132818A1 (ja) * | 2007-04-20 | 2008-11-06 | Mitsui Chemicals, Inc. | 電気分解装置、それに用いる電極および電気分解方法 |
CN101468836A (zh) * | 2007-12-25 | 2009-07-01 | 通用电气公司 | 电渗析装置和方法 |
US8500989B2 (en) * | 2009-07-02 | 2013-08-06 | Avivid Water Technology, Llc | Turboelectric coagulation apparatus |
US9145313B2 (en) | 2009-07-02 | 2015-09-29 | Avivid Water Technology, Llc | Turboelectric coagulation apparatus |
US9777391B2 (en) | 2013-05-08 | 2017-10-03 | Chiral Research, Inc. | Purification methods and systems for contaminated liquids and mineral slurries |
CN104109878B (zh) * | 2014-07-21 | 2017-02-15 | 河南省科学院高新技术研究中心 | 一种水相中电解法合成橡胶硫化促进剂cbs工艺 |
KR101665025B1 (ko) * | 2015-10-15 | 2016-10-11 | 순천대학교 산학협력단 | 할로겐 화합물 제거용 리간드가 없는 전기활성촉매를 활용하는 전해시스템 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1190449A (ja) * | 1997-09-25 | 1999-04-06 | Permelec Electrode Ltd | 電気化学処理装置 |
JP2000079377A (ja) * | 1998-06-30 | 2000-03-21 | Pbm Kk | 有害物質除去方法及び装置 |
JP2000080489A (ja) * | 1998-06-30 | 2000-03-21 | Pbm Kk | 有害有機化合物類の分解方法 |
JP2002345991A (ja) * | 2001-05-23 | 2002-12-03 | Kenji Suzuki | 電気分解によるpcb処理装置及びpcb処理方法 |
JP2003089893A (ja) * | 2001-09-18 | 2003-03-28 | Sharp Corp | 消色装置、消色方法、および偽造防止認証方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53132504A (en) * | 1977-04-26 | 1978-11-18 | Central Glass Co Ltd | Dehalogenation of halogenated hydrocarbons |
US4312720A (en) * | 1978-09-05 | 1982-01-26 | The Dow Chemical Co. | Electrolytic cell and process for electrolytic oxidation |
DE3069071D1 (en) * | 1979-10-23 | 1984-10-04 | Creconsult Ltd | A process for the electrochemical degradation of persistent organic compounds, with harmful or potentially harmful properties |
US5855760A (en) * | 1997-02-05 | 1999-01-05 | Zen; Jyh-Myng | Process for electrochemical decomposition of organic pollutants |
CN1241536A (zh) * | 1998-07-01 | 2000-01-19 | 本田技研工业株式会社 | 分解处理有机物的方法 |
JP3969114B2 (ja) * | 2002-02-20 | 2007-09-05 | 栗田工業株式会社 | 有機ハロゲン化合物の分解方法、及び分解装置。 |
JP3941944B2 (ja) * | 2003-04-03 | 2007-07-11 | 株式会社オメガ | ダイオキシン、pcb等有害物質の分解・浄化処理方法とその装置 |
-
2005
- 2005-03-18 WO PCT/JP2005/004922 patent/WO2005092448A1/ja not_active Application Discontinuation
- 2005-03-18 EP EP05721109A patent/EP1731198A4/en not_active Withdrawn
- 2005-03-18 CN CN2005800053370A patent/CN1921910B/zh not_active Expired - Fee Related
- 2005-03-18 KR KR1020067014522A patent/KR20060133553A/ko not_active Application Discontinuation
- 2005-03-18 JP JP2006511444A patent/JPWO2005092448A1/ja active Pending
- 2005-03-18 US US10/592,120 patent/US20070175767A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1190449A (ja) * | 1997-09-25 | 1999-04-06 | Permelec Electrode Ltd | 電気化学処理装置 |
JP2000079377A (ja) * | 1998-06-30 | 2000-03-21 | Pbm Kk | 有害物質除去方法及び装置 |
JP2000080489A (ja) * | 1998-06-30 | 2000-03-21 | Pbm Kk | 有害有機化合物類の分解方法 |
JP2002345991A (ja) * | 2001-05-23 | 2002-12-03 | Kenji Suzuki | 電気分解によるpcb処理装置及びpcb処理方法 |
JP2003089893A (ja) * | 2001-09-18 | 2003-03-28 | Sharp Corp | 消色装置、消色方法、および偽造防止認証方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1731198A4 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014210120A (ja) * | 2013-04-20 | 2014-11-13 | 株式会社バイオシールドサイエンス | 帯電還元水を用いるpcb無害化方法 |
WO2018062222A1 (ja) * | 2016-09-27 | 2018-04-05 | 株式会社エーアイティー | 有機ハロゲン化合物の分解方法及び装置 |
JPWO2018062222A1 (ja) * | 2016-09-27 | 2019-07-04 | 株式会社エーアイティー | 有機ハロゲン化合物の分解方法及び装置 |
Also Published As
Publication number | Publication date |
---|---|
KR20060133553A (ko) | 2006-12-26 |
EP1731198A1 (en) | 2006-12-13 |
JPWO2005092448A1 (ja) | 2008-07-31 |
EP1731198A4 (en) | 2009-08-05 |
CN1921910A (zh) | 2007-02-28 |
US20070175767A1 (en) | 2007-08-02 |
CN1921910B (zh) | 2010-06-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2005092448A1 (ja) | 電気分解によるハロゲン化有機物の脱ハロゲン化方法及び装置 | |
EP1008557B1 (en) | Hydrothermal electolysis method and apparatus | |
JP2006142278A (ja) | 有機ハロゲン化合物内蔵機器の無害化処理方法 | |
JP3969114B2 (ja) | 有機ハロゲン化合物の分解方法、及び分解装置。 | |
JP2001327934A (ja) | 洗浄装置および洗浄方法 | |
Mukherjee et al. | Electrochemical degradation of per-and poly-fluoroalkyl substances in the presence of natural organic matter | |
JP2004201967A (ja) | 有機ハロゲン化合物の処理方法およびその処理装置 | |
JP4398764B2 (ja) | ハロゲン化有機物の脱ハロゲン化方法 | |
TWI297334B (ja) | ||
WO2008050675A1 (fr) | Procédé et appareil de séparation/collecte de bpc | |
JP2000079395A (ja) | 廃水処理方法 | |
JP2007105061A (ja) | 有機ハロゲン化合物のマイクロ波併用型分解処理方法及び分解処理システム | |
JP2007105063A (ja) | 有機ハロゲン化合物の分解処理方法及びマイクロ波内蔵型分解処理システム | |
JP3722537B2 (ja) | 有機性汚泥の酸化処理方法と装置 | |
JP2008194063A (ja) | 高濃度有機塩素化合物の分解方法 | |
JP2008272594A (ja) | 活性炭吸着有機ハロゲン化物の電解還元脱ハロゲン化法 | |
JP4396826B2 (ja) | 有機ハロゲン化合物の分解処理方法及びループ分解システム | |
JP3970286B2 (ja) | 有機ハロゲン化合物の分解処理方法及びマイクロ波併用型分解処理システム | |
WO2002094382A1 (fr) | Dispositif de traitement des bpc et procede de traitement des bpc par electrolyse | |
JP3678740B1 (ja) | Pcb含有高濃度有機ハロゲン化合物の脱塩素化方法 | |
JPH09239371A (ja) | エタノールアミン含有希塩酸廃液の処理法 | |
JP2006087876A (ja) | 有機塩素化合物の分解方法 | |
JP2010247050A (ja) | Pcbの抽出・分離方法 | |
JP2011036338A (ja) | 有機塩素化合物の分解方法 | |
JP2004276001A (ja) | トリクリロロエチレン・テトラクロロエチレン等の有機塩素化合物を地中又は地上で水素を化学反応で発生させ、接触還元触媒としてラネーニッケル触媒を用い、完全脱塩素化する方法。 |
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 BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG 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 NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY 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): BW GH GM KE LS MW MZ NA 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 IS IT LT LU MC NL PL 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 | ||
WWE | Wipo information: entry into national phase |
Ref document number: 1020067014522 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2006511444 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 200580005337.0 Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2005721109 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10592120 Country of ref document: US Ref document number: 2007175767 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWW | Wipo information: withdrawn in national office |
Country of ref document: DE |
|
WWP | Wipo information: published in national office |
Ref document number: 2005721109 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 1020067014522 Country of ref document: KR |
|
WWP | Wipo information: published in national office |
Ref document number: 10592120 Country of ref document: US |