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FR2718731B1 - Treatment of an effluent containing anionic oxidizable species, in particular a cyanide effluent, by chemical oxidation and electrolysis. - Google Patents

Treatment of an effluent containing anionic oxidizable species, in particular a cyanide effluent, by chemical oxidation and electrolysis.

Info

Publication number
FR2718731B1
FR2718731B1 FR9404658A FR9404658A FR2718731B1 FR 2718731 B1 FR2718731 B1 FR 2718731B1 FR 9404658 A FR9404658 A FR 9404658A FR 9404658 A FR9404658 A FR 9404658A FR 2718731 B1 FR2718731 B1 FR 2718731B1
Authority
FR
France
Prior art keywords
effluent
electrolysis
treatment
cyanide
chemical oxidation
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.)
Expired - Fee Related
Application number
FR9404658A
Other languages
French (fr)
Other versions
FR2718731A1 (en
Inventor
Claude Gavach
Francoise Persin
Jean Christophe Aubanel
Jacques Thauront
Thierry Cohen
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.)
EMC Service
Original Assignee
EMC Service
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 EMC Service filed Critical EMC Service
Priority to FR9404658A priority Critical patent/FR2718731B1/en
Priority to AU24122/95A priority patent/AU2412295A/en
Priority to EP95918031A priority patent/EP0756582A1/en
Priority to PCT/FR1995/000513 priority patent/WO1995028358A1/en
Priority to CA 2188274 priority patent/CA2188274A1/en
Publication of FR2718731A1 publication Critical patent/FR2718731A1/en
Application granted granted Critical
Publication of FR2718731B1 publication Critical patent/FR2718731B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C02F1/62—Heavy metal compounds
    • 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
    • C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4676—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electroreduction
    • C02F1/4678—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electroreduction of metals
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
    • 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
    • C02F2001/46152—Electrodes characterised by the shape or form
    • C02F2001/46157—Perforated or foraminous electrodes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • C02F2101/18—Cyanides
    • 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
    • C02F2201/46115—Electrolytic cell with membranes or diaphragms
    • 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
    • C02F2201/4618—Supplying or removing reactants or electrolyte
    • C02F2201/46185—Recycling the cathodic or anodic feed
    • 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
    • C02F2209/04—Oxidation reduction potential [ORP]
    • 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
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage

Landscapes

  • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
FR9404658A 1994-04-19 1994-04-19 Treatment of an effluent containing anionic oxidizable species, in particular a cyanide effluent, by chemical oxidation and electrolysis. Expired - Fee Related FR2718731B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR9404658A FR2718731B1 (en) 1994-04-19 1994-04-19 Treatment of an effluent containing anionic oxidizable species, in particular a cyanide effluent, by chemical oxidation and electrolysis.
AU24122/95A AU2412295A (en) 1994-04-19 1995-04-19 Destroying metal cyanide complexes by combined chemical oxidation and electrolysis
EP95918031A EP0756582A1 (en) 1994-04-19 1995-04-19 Destroying metal cyanide complexes by combined chemical oxidation and electrolysis
PCT/FR1995/000513 WO1995028358A1 (en) 1994-04-19 1995-04-19 Destroying metal cyanide complexes by combined chemical oxidation and electrolysis
CA 2188274 CA2188274A1 (en) 1994-04-19 1995-04-19 Destroying metal cyanide complexes by combined chemical oxidation and electrolysis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9404658A FR2718731B1 (en) 1994-04-19 1994-04-19 Treatment of an effluent containing anionic oxidizable species, in particular a cyanide effluent, by chemical oxidation and electrolysis.

Publications (2)

Publication Number Publication Date
FR2718731A1 FR2718731A1 (en) 1995-10-20
FR2718731B1 true FR2718731B1 (en) 1996-06-21

Family

ID=9462253

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9404658A Expired - Fee Related FR2718731B1 (en) 1994-04-19 1994-04-19 Treatment of an effluent containing anionic oxidizable species, in particular a cyanide effluent, by chemical oxidation and electrolysis.

Country Status (5)

Country Link
EP (1) EP0756582A1 (en)
AU (1) AU2412295A (en)
CA (1) CA2188274A1 (en)
FR (1) FR2718731B1 (en)
WO (1) WO1995028358A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2384634C1 (en) * 2008-07-23 2010-03-20 Закрытое акционерное общество "Золотодобывающая компания "Полюс" Method of gold-bearing cyanic solutions cleaning
RU2427656C1 (en) * 2009-12-29 2011-08-27 Открытое акционерное общество "Иркутский научно-исследовательский институт благородных и редких металлов и алмазов" (ОАО "Иргиредмет") Procedure for extraction of cyanic complexes of copper from phase of coal saturated with copper
CN110467303B (en) * 2019-08-20 2025-10-17 湖南亚王医药科技有限公司 Treatment method of benzyl cyanide product production wastewater
CN116924596B (en) * 2023-05-30 2024-06-07 深圳市新西林园林景观有限公司 Electrochemical device for sponge urban sewage treatment and treatment method thereof
CN116981797A (en) * 2023-06-05 2023-10-31 广东邦普循环科技有限公司 Prussian blue material preparation method, prussian blue material and application
CN117550741A (en) * 2023-11-22 2024-02-13 苏州融和福天宝环保科技有限责任公司 A kind of treatment method of cyanide-containing wastewater
DE102024202394A1 (en) 2024-03-14 2025-09-18 Robert Bosch Gesellschaft mit beschränkter Haftung Device and method for acidifying salt water

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5128938B1 (en) * 1970-11-26 1976-08-23
GB1433858A (en) * 1974-05-09 1976-04-28 Standard Telephones Cables Ltd Neutralisation of cyanide residues
FR2370000A1 (en) * 1976-11-03 1978-06-02 Elf Aquitaine DECYANURATION OF WASTE WATER
SU906945A1 (en) * 1979-07-03 1982-02-23 Предприятие П/Я А-7631 Method for purifying effluents
US4436601A (en) * 1981-07-24 1984-03-13 Diamond Shamrock Corporation Metal removal process
US5258109A (en) * 1991-03-29 1993-11-02 Vaughan Daniel J Electrodialytic conversion of complexes and salts of metal cations

Also Published As

Publication number Publication date
CA2188274A1 (en) 1995-10-26
WO1995028358A1 (en) 1995-10-26
EP0756582A1 (en) 1997-02-05
AU2412295A (en) 1995-11-10
FR2718731A1 (en) 1995-10-20

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Legal Events

Date Code Title Description
ST Notification of lapse