FR2325736B3 - - Google Patents
Info
- Publication number
- FR2325736B3 FR2325736B3 FR7529044A FR7529044A FR2325736B3 FR 2325736 B3 FR2325736 B3 FR 2325736B3 FR 7529044 A FR7529044 A FR 7529044A FR 7529044 A FR7529044 A FR 7529044A FR 2325736 B3 FR2325736 B3 FR 2325736B3
- Authority
- FR
- France
- 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
Links
Classifications
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- 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
- B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
- B01D61/44—Ion-selective electrodialysis
- B01D61/46—Apparatus therefor
- B01D61/463—Apparatus therefor comprising the membrane sequence AC or CA, where C is a cation exchange membrane
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/16—Regeneration of process solutions
- C25D21/20—Regeneration of process solutions of rinse-solutions
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- 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
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
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- 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)
- Health & Medical Sciences (AREA)
- Urology & Nephrology (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7529044A FR2325736A1 (en) | 1975-09-23 | 1975-09-23 | Purifying chromium contg. solns. from rinsing baths from pickling - by electrodialysis continuously using specified apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7529044A FR2325736A1 (en) | 1975-09-23 | 1975-09-23 | Purifying chromium contg. solns. from rinsing baths from pickling - by electrodialysis continuously using specified apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2325736A1 FR2325736A1 (en) | 1977-04-22 |
FR2325736B3 true FR2325736B3 (en) | 1978-05-05 |
Family
ID=9160314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7529044A Granted FR2325736A1 (en) | 1975-09-23 | 1975-09-23 | Purifying chromium contg. solns. from rinsing baths from pickling - by electrodialysis continuously using specified apparatus |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2325736A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1082821B (en) * | 1977-05-12 | 1985-05-21 | Fiat Spa | PROCEDURE FOR THE POLLUTION OF WATER EFFLUENTS OF A GALVANIC TREATMENT PLANT |
US4242193A (en) * | 1978-11-06 | 1980-12-30 | Innova, Inc. | Layered membrane and processes utilizing same |
NL9400504A (en) * | 1994-03-30 | 1995-11-01 | Elektrolyse Project B V | Method for purifying a contaminated oxidizing solution in a dialysis cell |
CN100381370C (en) * | 2006-06-14 | 2008-04-16 | 浙江大学 | System for removing and retrieving hexavalent chrome from wastewater |
IT202100017015A1 (en) * | 2021-07-02 | 2023-01-02 | Biored Srl | PROCEDURE AND ELECTROCHEMICAL CELL FOR THE RECOVERY OF PURE CHROME (III) FROM USED BATHS IN THE TANNING INDUSTRY |
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1975
- 1975-09-23 FR FR7529044A patent/FR2325736A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2325736A1 (en) | 1977-04-22 |