BG105948A - Method for electrochemical treatment of effluents, especially effluents from leather tanneries, comprising chromium salts - Google Patents

Method for electrochemical treatment of effluents, especially effluents from leather tanneries, comprising chromium salts

Info

Publication number
BG105948A
BG105948A BG105948A BG10594801A BG105948A BG 105948 A BG105948 A BG 105948A BG 105948 A BG105948 A BG 105948A BG 10594801 A BG10594801 A BG 10594801A BG 105948 A BG105948 A BG 105948A
Authority
BG
Bulgaria
Prior art keywords
effluents
chromium
oxidation degree
salts
electrochemical treatment
Prior art date
Application number
BG105948A
Other languages
Bulgarian (bg)
English (en)
Inventor
Jean-Francois Fauvarque
Jean-Claude Catonne
Gerard Lalleve
Original Assignee
Cnam - Conservatoire National Des Arts Et Metiers
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 Cnam - Conservatoire National Des Arts Et Metiers filed Critical Cnam - Conservatoire National Des Arts Et Metiers
Publication of BG105948A publication Critical patent/BG105948A/xx

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
    • C02F1/26—Treatment of water, waste water, or sewage by extraction
    • 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
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • 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
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C02F2101/22—Chromium or chromium compounds, e.g. chromates
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/22—Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof
    • C02F2103/24—Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof from tanneries
    • 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)
  • Engineering & Computer Science (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
BG105948A 1999-04-01 2001-09-25 Method for electrochemical treatment of effluents, especially effluents from leather tanneries, comprising chromium salts BG105948A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9904085A FR2791662B1 (fr) 1999-04-01 1999-04-01 Procede de traitement electrochimique d'effluents, notamment d'effluents de tannerie, comprenant des sels de chrome
PCT/FR2000/000821 WO2000059833A1 (fr) 1999-04-01 2000-03-31 Procede de traitement electrochimique d'effluents, notamment d'effluents de tannerie, comprenant des sels de chrome

Publications (1)

Publication Number Publication Date
BG105948A true BG105948A (en) 2002-04-30

Family

ID=9543900

Family Applications (1)

Application Number Title Priority Date Filing Date
BG105948A BG105948A (en) 1999-04-01 2001-09-25 Method for electrochemical treatment of effluents, especially effluents from leather tanneries, comprising chromium salts

Country Status (8)

Country Link
US (1) US20020185382A1 (fr)
EP (1) EP1171388A1 (fr)
BG (1) BG105948A (fr)
FR (1) FR2791662B1 (fr)
MA (1) MA25348A1 (fr)
SK (1) SK13912001A3 (fr)
TN (1) TNSN00066A1 (fr)
WO (1) WO2000059833A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6833124B2 (en) * 2002-01-31 2004-12-21 University Of Dayton Recovery process for wastes containing hexavalent chromium
US8080150B2 (en) * 2003-12-18 2011-12-20 Rwo Gmbh Electrolytic cell
CN1898162B (zh) * 2003-12-18 2012-02-22 Rwo有限公司 处理污水的电解池
CN102732650B (zh) * 2011-04-02 2014-09-03 山东华升化工科技有限公司 一种铬鞣剂生产工艺及专用生产装置
CN103695970B (zh) * 2013-12-17 2017-01-18 陕西科技大学 一种处理含铬鞣制废水及回收金属铬的方法
FR3019170B1 (fr) * 2014-03-28 2019-10-11 Ms Developpement Et Participations Procede de traitement du chrome present dans des effluents et installation correspondante
WO2017131139A1 (fr) * 2016-01-29 2017-08-03 シチズン時計株式会社 Agent de traitement à base de chrome hexavalent, et cuir ou produit à base de cuir l'utilisant
CN107352709B (zh) * 2017-07-17 2019-09-24 北京矿冶研究总院 一种膜过滤耦合光还原脱除和回收铬的方法
CN107233857B (zh) * 2017-07-27 2019-02-05 青岛信泰科技有限公司 一种实现充分搅拌的反应釜
CN110117107B (zh) * 2019-05-27 2021-09-24 乐清市荣禹污水处理有限公司 电镀废水处理系统
CN112281145B (zh) * 2020-09-21 2023-04-07 山东宏旺实业有限公司 一种不锈钢水镀黑钛的药水在线还原方法及装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2110187A (en) * 1933-08-23 1938-03-08 Dudley A Willams Method of treating chrome liquors
US3616304A (en) * 1966-01-26 1971-10-26 M & T Chemicals Inc Method for treating chromium-containing baths
US3950131A (en) * 1973-06-20 1976-04-13 Hoffmann-Stafford Tanning Co. Continuous method for reclaiming chromium hydroxide from spent chrome tanning liquors and re-use thereof in subsequent tanning
FR2502136B1 (fr) * 1981-03-18 1985-07-26 Krebs Cie Sa Procede et solvant d'extraction des chromates presents dans une solution aqueuse
AT374440B (de) * 1981-04-16 1984-04-25 Ruthner Industrieanlagen Ag Verfahren zur gleichzeitigen reinigung bzw. entgiftung von cr-(vi)-haeltigen abwaessern oder loesungen und nox-haeltigen abwaessern oder abgasen (x=0,5 bis 2,0)
DE3940978A1 (de) * 1989-12-12 1991-06-13 Hoechst Ag Verfahren zur elektrochemischen regenerierung von chromschwefelsaeure
US5211853A (en) * 1992-07-31 1993-05-18 Huron Tech Corp. Method for the removal of chromium compounds from aqueous solutions

Also Published As

Publication number Publication date
US20020185382A1 (en) 2002-12-12
WO2000059833A1 (fr) 2000-10-12
SK13912001A3 (sk) 2002-02-05
FR2791662B1 (fr) 2001-06-22
MA25348A1 (fr) 2001-12-31
EP1171388A1 (fr) 2002-01-16
TNSN00066A1 (fr) 2002-05-30
FR2791662A1 (fr) 2000-10-06

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