WO2006042741A1 - Improved cod abatement process for electrochemical oxidation - Google Patents

Improved cod abatement process for electrochemical oxidation Download PDF

Info

Publication number
WO2006042741A1
WO2006042741A1 PCT/EP2005/011197 EP2005011197W WO2006042741A1 WO 2006042741 A1 WO2006042741 A1 WO 2006042741A1 EP 2005011197 W EP2005011197 W EP 2005011197W WO 2006042741 A1 WO2006042741 A1 WO 2006042741A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrolyser
anode
type
oxygen evolution
cod
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/EP2005/011197
Other languages
English (en)
French (fr)
Inventor
Yves Lucien Pellet
Didier Carle Gaston Grange
Paolo Rossi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
De Nora Elettrodi SpA
Industrie de Nora SpA
Original Assignee
De Nora Elettrodi SpA
Industrie de Nora SpA
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 De Nora Elettrodi SpA, Industrie de Nora SpA filed Critical De Nora Elettrodi SpA
Priority to CN2005800339062A priority Critical patent/CN101090870B/zh
Priority to JP2007537187A priority patent/JP4782793B2/ja
Priority to MX2007004562A priority patent/MX2007004562A/es
Priority to ES05793095T priority patent/ES2378997T3/es
Priority to EP05793095A priority patent/EP1807357B1/en
Priority to AU2005296759A priority patent/AU2005296759B2/en
Priority to BRPI0517080A priority patent/BRPI0517080B1/pt
Priority to US11/665,583 priority patent/US10144659B2/en
Priority to AT05793095T priority patent/ATE535499T1/de
Publication of WO2006042741A1 publication Critical patent/WO2006042741A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • C02F2001/46133—Electrodes characterised by the material
    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • C02F2001/46133—Electrodes characterised by the material
    • C02F2001/46138—Electrodes comprising a substrate and a coating
    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • C02F2001/46133—Electrodes characterised by the material
    • C02F2001/46138—Electrodes comprising a substrate and a coating
    • C02F2001/46147—Diamond coating
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/46—Apparatus for electrochemical processes
    • C02F2201/461—Electrolysis apparatus
    • C02F2201/46105—Details relating to the electrolytic devices
    • C02F2201/4612—Controlling or monitoring
    • C02F2201/46125—Electrical variables
    • C02F2201/4614—Current
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]

Definitions

  • COD Chemical Oxygen Demand
  • COD oxidation may be carried out by electrolysis on anodes characterised by high oxygen evolution overvoltage or with similar specific electrocatalytic properties.
  • the tin and antimony oxide-coated electrodes are included among those, and reference will be made in the following as a non-limiting example of high oxygen overvoltage anodes.
  • Such electrodes have been used in plain electrolysers known in the art, for instance in perpendicular flow-type electrolysers.
  • BDD boron-doped diamond electrode
  • the invention consists of the simultaneous use in series or in parallel of at least two types of electrode.
  • the rationale is to utilise to a highest degree the handier and less expensive elements, that is the tin and antimony oxide-based anodes or other equivalent electrodes, installed in a conventional electrochemical plate or tube reactor, and to a lesser extent the BDD electrode installed in its own appropriate electrolyser to accomplish the part of reaction which cannot be carried out on the tin and antimony oxide-based anodes or equivalent thereof.
  • the BDD electrode installed in its own appropriate electrolyser to accomplish the part of reaction which cannot be carried out on the tin and antimony oxide-based anodes or equivalent thereof.
  • Being the molecules making up the COD partially degraded by the BDD anode it becomes easier to complete their oxidation on the tin and antimony oxide-based anode, as confirmed by the experimental observations.
  • the ideal current apportionment is usually comprised between 55:45 and 95:5, depending on the effluent type; such apportionment may be obtained in a very simple manner by acting on the overall anodic surface of each electrolyser (for instance by fixing the ratio between overall anodic surface of tin and antimony oxide-based anode to BDD at a value comprised between 55:45 and 95:5), but other solutions are also possible.
  • current apportionment be adjustable by means of systems known in the art.
  • the tin and antimony oxide-based electrode may be constructed according to various typologies, for example it may be obtained as a ceramic electrode, for instance sintered from powders of two oxides optionally mixed to other components, or it may consist of a metallic base, for instance of titanium or other valve metal, coated with tin and antimony oxides optionally mixed to small amounts of conductive elements (for example copper) or elements with desirable electrochemical properties (for example iridium) in order to adjust its potential.
  • conductive elements for example copper
  • elements with desirable electrochemical properties for example iridium
  • anodes of titanium coated with oxygen-evolution catalysts for example iridium and tantalum oxide mixtures
  • the oxygen overvoltage turns out to be too low in this case and the electrolyser coupling of the invention leads to less favourable results.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
PCT/EP2005/011197 2004-10-18 2005-10-18 Improved cod abatement process for electrochemical oxidation Ceased WO2006042741A1 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
CN2005800339062A CN101090870B (zh) 2004-10-18 2005-10-18 利用电化学氧化的改进的cod减少方法
JP2007537187A JP4782793B2 (ja) 2004-10-18 2005-10-18 電気化学的酸化のために改善されたｃｏｄ除去法
MX2007004562A MX2007004562A (es) 2004-10-18 2005-10-18 Mejoramiento de la reduccion de la dqo por oxidacion electroquimica.
ES05793095T ES2378997T3 (es) 2004-10-18 2005-10-18 Procedimiento de disminución de DQO mejorado para la oxidación electroquímica
EP05793095A EP1807357B1 (en) 2004-10-18 2005-10-18 Improved cod abatement process for electrochemical oxidation
AU2005296759A AU2005296759B2 (en) 2004-10-18 2005-10-18 Improved COD abatement process for electrochemical oxidation
BRPI0517080A BRPI0517080B1 (pt) 2004-10-18 2005-10-18 dispositivo de tratamento de dqo de efluentes através de oxidação anódica e processo de tratamento de dqo de efluentes.
US11/665,583 US10144659B2 (en) 2004-10-18 2005-10-18 Cod abatement process for electrochemical oxidation
AT05793095T ATE535499T1 (de) 2004-10-18 2005-10-18 Verbessertes cod-verringerungsverfahren für die elektrochemische oxidation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT001974A ITMI20041974A1 (it) 2004-10-18 2004-10-18 Miglioramento del processo di abbattimento del cod per ossidazione elettrochimica
ITMI2004A001974 2004-10-18

Publications (1)

Publication Number Publication Date
WO2006042741A1 true WO2006042741A1 (en) 2006-04-27

Family

ID=35431456

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/011197 Ceased WO2006042741A1 (en) 2004-10-18 2005-10-18 Improved cod abatement process for electrochemical oxidation

Country Status (14)

Country Link
US (1) US10144659B2 (https=)
EP (1) EP1807357B1 (https=)
JP (1) JP4782793B2 (https=)
KR (1) KR101214824B1 (https=)
CN (1) CN101090870B (https=)
AT (1) ATE535499T1 (https=)
AU (1) AU2005296759B2 (https=)
BR (1) BRPI0517080B1 (https=)
ES (1) ES2378997T3 (https=)
IT (1) ITMI20041974A1 (https=)
MX (1) MX2007004562A (https=)
RU (1) RU2393997C2 (https=)
WO (1) WO2006042741A1 (https=)
ZA (1) ZA200703511B (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011120702A1 (de) * 2010-03-31 2011-10-06 Aseca Ag Elektrolysezelle sowie anlage und verfahren zur erzeugung einer elektro-chemisch aktivierten lösung durch elektrolyse
EP2455344A1 (de) * 2010-11-23 2012-05-23 Caliopa AG Elektrolysezelle sowie Anlage und Verfahren zur Erzeugung einer elektro-chemisch aktivierten Lösung durch Elektrolyse
CN103058329A (zh) * 2012-12-04 2013-04-24 江苏丰山集团有限公司 一种金刚石膜电极处理氟乐灵农药废水的方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201017346D0 (en) * 2010-10-14 2010-11-24 Advanced Oxidation Ltd A bipolar cell for a reactor for treatment of waste water and effluent
CN113840647B (zh) * 2019-05-13 2024-03-01 安克信水技术公司 用于废水的有效且可持续的电化学处理的方法和系统
CN112830555A (zh) * 2021-01-05 2021-05-25 北京化工大学 一种双电位阳极电解装置及方法

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US5395492A (en) * 1990-12-19 1995-03-07 Schoeberl; Meinolf Apparatus for the sterilization of water
US5833831A (en) * 1994-03-25 1998-11-10 Nec Corporation Method and system for generating electrolyzed water
EP0949205A1 (en) * 1998-03-18 1999-10-13 Permelec Electrode Ltd. Process for producing acidic water containing dissolved hydrogen peroxide and electrolytic cell therefor
US20010040102A1 (en) * 1999-04-23 2001-11-15 Hu Clyde Kuen-Hua Electrolytic wastewater treatment apparatus

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CH671408A5 (https=) * 1987-02-20 1989-08-31 Bbc Brown Boveri & Cie
JP2836890B2 (ja) * 1990-02-16 1998-12-14 ティーディーケイ株式会社 有機物電解用電極及びその製造方法
RU2133223C1 (ru) * 1998-04-30 1999-07-20 Рамазанов Зуфар Джалилович Установка для электрохимической очистки воды
US6315886B1 (en) * 1998-12-07 2001-11-13 The Electrosynthesis Company, Inc. Electrolytic apparatus and methods for purification of aqueous solutions
JP4116726B2 (ja) * 1999-02-04 2008-07-09 ペルメレック電極株式会社 電気化学的処理方法及び装置
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US5395492A (en) * 1990-12-19 1995-03-07 Schoeberl; Meinolf Apparatus for the sterilization of water
US5833831A (en) * 1994-03-25 1998-11-10 Nec Corporation Method and system for generating electrolyzed water
EP0949205A1 (en) * 1998-03-18 1999-10-13 Permelec Electrode Ltd. Process for producing acidic water containing dissolved hydrogen peroxide and electrolytic cell therefor
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011120702A1 (de) * 2010-03-31 2011-10-06 Aseca Ag Elektrolysezelle sowie anlage und verfahren zur erzeugung einer elektro-chemisch aktivierten lösung durch elektrolyse
EP2455344A1 (de) * 2010-11-23 2012-05-23 Caliopa AG Elektrolysezelle sowie Anlage und Verfahren zur Erzeugung einer elektro-chemisch aktivierten Lösung durch Elektrolyse
CN103058329A (zh) * 2012-12-04 2013-04-24 江苏丰山集团有限公司 一种金刚石膜电极处理氟乐灵农药废水的方法

Also Published As

Publication number Publication date
AU2005296759B2 (en) 2010-02-25
ITMI20041974A1 (it) 2005-01-18
US20080087552A1 (en) 2008-04-17
RU2393997C2 (ru) 2010-07-10
AU2005296759A1 (en) 2006-04-27
CN101090870A (zh) 2007-12-19
JP2008516762A (ja) 2008-05-22
MX2007004562A (es) 2007-08-14
KR20070083721A (ko) 2007-08-24
CN101090870B (zh) 2013-05-08
US10144659B2 (en) 2018-12-04
EP1807357A1 (en) 2007-07-18
ZA200703511B (en) 2008-10-29
BRPI0517080B1 (pt) 2016-04-26
ES2378997T3 (es) 2012-04-19
ATE535499T1 (de) 2011-12-15
JP4782793B2 (ja) 2011-09-28
KR101214824B1 (ko) 2012-12-24
RU2007118489A (ru) 2008-11-27
BRPI0517080A (pt) 2008-09-30
EP1807357B1 (en) 2011-11-30

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