MA25348A1 - " procede de traitement electrochimique d'effluents, notamment d'effluents de tannerie, comprenant des sels de chrome." - Google Patents

" procede de traitement electrochimique d'effluents, notamment d'effluents de tannerie, comprenant des sels de chrome."

Info

Publication number
MA25348A1
MA25348A1 MA26341A MA26341A MA25348A1 MA 25348 A1 MA25348 A1 MA 25348A1 MA 26341 A MA26341 A MA 26341A MA 26341 A MA26341 A MA 26341A MA 25348 A1 MA25348 A1 MA 25348A1
Authority
MA
Morocco
Prior art keywords
effluents
electrochemical treatment
chromium salts
including chromium
especially tanning
Prior art date
Application number
MA26341A
Other languages
English (en)
Inventor
Jean-Francois Fauvarque
Gerard Lalleve
Jean-Claude Catonne
Original Assignee
Cnam Conservatoire Nat Des Art
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 Nat Des Art filed Critical Cnam Conservatoire Nat Des Art
Publication of MA25348A1 publication Critical patent/MA25348A1/fr

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)
  • 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)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
MA26341A 1999-04-01 2001-09-28 " procede de traitement electrochimique d'effluents, notamment d'effluents de tannerie, comprenant des sels de chrome." MA25348A1 (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
MA25348A1 true MA25348A1 (fr) 2001-12-31

Family

ID=9543900

Family Applications (1)

Application Number Title Priority Date Filing Date
MA26341A MA25348A1 (fr) 1999-04-01 2001-09-28 " procede de traitement electrochimique d'effluents, notamment d'effluents de tannerie, comprenant des sels de chrome."

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
CA2545764C (fr) * 2003-12-18 2011-04-12 Akzo Nobel N.V. Cellule electrolytique permettant de traiter une eau contaminee
US8080150B2 (en) * 2003-12-18 2011-12-20 Rwo Gmbh Electrolytic cell
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
US10648048B2 (en) * 2016-01-29 2020-05-12 Citizen Watch Co., Ltd. Hexavalent chromium treatment agent and leather or leather article produced using the same
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
EP1171388A1 (fr) 2002-01-16
FR2791662B1 (fr) 2001-06-22
SK13912001A3 (sk) 2002-02-05
TNSN00066A1 (fr) 2002-05-30
BG105948A (en) 2002-04-30
WO2000059833A1 (fr) 2000-10-12
FR2791662A1 (fr) 2000-10-06

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