FR2727959B1 - Procede de purification d'eaux residuaires contenant du chrome - Google Patents

Procede de purification d'eaux residuaires contenant du chrome

Info

Publication number
FR2727959B1
FR2727959B1 FR9514158A FR9514158A FR2727959B1 FR 2727959 B1 FR2727959 B1 FR 2727959B1 FR 9514158 A FR9514158 A FR 9514158A FR 9514158 A FR9514158 A FR 9514158A FR 2727959 B1 FR2727959 B1 FR 2727959B1
Authority
FR
France
Prior art keywords
purification
water containing
residual water
containing chrome
chrome
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
FR9514158A
Other languages
English (en)
Other versions
FR2727959A1 (fr
Inventor
Buet Veronique Faivre
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.)
Novartis AG
Original Assignee
Ciba Geigy AG
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 Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of FR2727959A1 publication Critical patent/FR2727959A1/fr
Application granted granted Critical
Publication of FR2727959B1 publication Critical patent/FR2727959B1/fr
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
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/145—Ultrafiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/16—Feed pretreatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/04—Specific process operations in the feed stream; Feed pretreatment
    • 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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • 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
    • C02F1/70—Treatment of water, waste water, or sewage by reduction
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
FR9514158A 1994-12-08 1995-11-30 Procede de purification d'eaux residuaires contenant du chrome Expired - Fee Related FR2727959B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH372694 1994-12-08

Publications (2)

Publication Number Publication Date
FR2727959A1 FR2727959A1 (fr) 1996-06-14
FR2727959B1 true FR2727959B1 (fr) 1997-12-19

Family

ID=4262196

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9514158A Expired - Fee Related FR2727959B1 (fr) 1994-12-08 1995-11-30 Procede de purification d'eaux residuaires contenant du chrome

Country Status (3)

Country Link
DE (1) DE19545546A1 (fr)
FR (1) FR2727959B1 (fr)
GB (1) GB2295821B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010071598A1 (fr) * 2008-12-17 2010-06-24 Hydrochem (S) Pte Ltd Elimination de composés organiques provenant d’eaux usées à température élevée par osmose inverse
CN115367924B (zh) * 2022-09-22 2024-04-16 武汉纺织大学 一种利用二氧化硫脲处理含铬废水的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1937567A1 (de) * 1969-07-24 1971-02-11 Abend Dr Ing Rudolf Verfahren und Vorrichtung zur Entgiftung industrieller Abwaesser
JPS5230260A (en) * 1975-09-03 1977-03-07 Hitachi Seiko Ltd Treatment process and treatment apparatus for electrolyte
JPS57190692A (en) * 1981-05-18 1982-11-24 Hitachi Plant Eng & Constr Co Ltd Treatment of chromic acid containing waste water
SU1456371A1 (ru) * 1986-08-14 1989-02-07 Воронежский сельскохозяйственный институт им.К.Д.Глинки Способ очистки сточных вод от шестивалентного хрома
US5403490A (en) * 1992-11-23 1995-04-04 Desai; Satish Process and apparatus for removing solutes from solutions

Also Published As

Publication number Publication date
FR2727959A1 (fr) 1996-06-14
GB2295821A (en) 1996-06-12
GB2295821B (en) 1998-04-15
DE19545546A1 (de) 1996-06-13
GB9524313D0 (en) 1996-01-31

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Legal Events

Date Code Title Description
TP Transmission of property
CD Change of name or company name
ST Notification of lapse