SE7704293L - Sett for utvinning av ateranvendbar kromsyra fran anvend kromsyralosning innehallande fororeningar - Google Patents
Sett for utvinning av ateranvendbar kromsyra fran anvend kromsyralosning innehallande fororeningarInfo
- Publication number
- SE7704293L SE7704293L SE7704293A SE7704293A SE7704293L SE 7704293 L SE7704293 L SE 7704293L SE 7704293 A SE7704293 A SE 7704293A SE 7704293 A SE7704293 A SE 7704293A SE 7704293 L SE7704293 L SE 7704293L
- Authority
- SE
- Sweden
- Prior art keywords
- chromic acid
- solution containing
- reusable
- recovery
- organic phase
- Prior art date
Links
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G37/00—Compounds of chromium
- C01G37/003—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
-
- 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
- C02F1/46—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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S204/00—Chemistry: electrical and wave energy
- Y10S204/13—Purification and treatment of electroplating baths and plating wastes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/911—Cumulative poison
- Y10S210/912—Heavy metal
- Y10S210/913—Chromium
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Urology & Nephrology (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Extraction Or Liquid Replacement (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4180876A JPS5935845B2 (ja) | 1976-04-15 | 1976-04-15 | クロム酸の浄液法 |
JP8967476A JPS5934649B2 (ja) | 1976-07-29 | 1976-07-29 | クロム酸溶液からクロム酸塩の製造方法 |
JP14249976A JPS5838361B2 (ja) | 1976-11-27 | 1976-11-27 | 塩素酸塩溶液中のクロム酸イオンの有機溶媒による抽出リサイクル方法 |
JP14568876A JPS5370994A (en) | 1976-12-06 | 1976-12-06 | Method of recovering chromic acid |
Publications (1)
Publication Number | Publication Date |
---|---|
SE7704293L true SE7704293L (sv) | 1977-10-16 |
Family
ID=27461111
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7704293A SE7704293L (sv) | 1976-04-15 | 1977-04-14 | Sett for utvinning av ateranvendbar kromsyra fran anvend kromsyralosning innehallande fororeningar |
Country Status (4)
Country | Link |
---|---|
US (2) | US4144145A (sv) |
DE (1) | DE2716815A1 (sv) |
FR (1) | FR2348155A1 (sv) |
SE (1) | SE7704293L (sv) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4302304A (en) * | 1978-08-11 | 1981-11-24 | Mitsubishi Jukogyo Kabushiki Kaisha | Process for treating electrolytic solution |
US4326935A (en) * | 1978-11-06 | 1982-04-27 | Innova, Inc. | Electrochemical processes utilizing a layered membrane |
US4242193A (en) * | 1978-11-06 | 1980-12-30 | Innova, Inc. | Layered membrane and processes utilizing same |
US4188272A (en) * | 1979-05-07 | 1980-02-12 | Eastman Kodak Company | Electrical chemical process for the removal of hexavalent chromium from aqueous medium |
US4306946A (en) * | 1980-08-18 | 1981-12-22 | General Electric Company | Process for acid recovery from waste water |
FR2502136B1 (fr) * | 1981-03-18 | 1985-07-26 | Krebs Cie Sa | Procede et solvant d'extraction des chromates presents dans une solution aqueuse |
US4618428A (en) * | 1982-08-13 | 1986-10-21 | General Electric Company | Process for recovery of zinc from plating waste solutions |
US4436705A (en) * | 1983-08-01 | 1984-03-13 | Mobil Oil Corporation | Extracting chromium (III) from aqueous solutions with 2-ethylhexyl acid phosphate |
US4948476A (en) * | 1989-07-20 | 1990-08-14 | Bend Research, Inc. | Hybrid chromium recovery process |
US5348628A (en) * | 1991-04-02 | 1994-09-20 | Unitika Ltd. | Method of treating salt bath liquid |
US5122238A (en) * | 1991-06-10 | 1992-06-16 | Occidental Chemical Corporation | Efficient electrolytic method of making chromic acid from sodium bichromate |
NL9302261A (nl) * | 1993-12-24 | 1995-07-17 | Elektrolyse Project B V | Werkwijze voor het reinigen van zuuroplossing. |
US5571489A (en) * | 1995-01-27 | 1996-11-05 | Illinois Institute Of Technology | Process for chromium recovery from aqueous solutions |
US6063252A (en) * | 1997-08-08 | 2000-05-16 | Raymond; John L. | Method and apparatus for enriching the chromium in a chromium plating bath |
US6468414B1 (en) | 2001-02-16 | 2002-10-22 | Hydro-Quebec | Method of purification of a redox mediator before electrolytic regeneration thereof |
US20040035696A1 (en) * | 2002-08-21 | 2004-02-26 | Reinhard Fred P. | Apparatus and method for membrane electrolysis for process chemical recycling |
GB2399349A (en) * | 2003-03-13 | 2004-09-15 | Kurion Technologies Ltd | Regeneration of chromic acid etching and pickling baths |
CN108103521B (zh) * | 2017-12-22 | 2019-10-15 | 四川省银河化学股份有限公司 | 一种提高电解法制备铬酸酐品质的方法 |
TWI690496B (zh) * | 2019-02-01 | 2020-04-11 | 兆聯實業股份有限公司 | 水處理系統 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA733029A (en) * | 1966-04-26 | W. Agers Donnell | Recovery of chromate and dichromate values | |
CA698700A (en) * | 1964-11-24 | W. Agers Donnell | Liquid-liquid extraction recovery of chromate and dichromate values using amine extractants | |
GB974448A (en) * | 1961-10-19 | 1964-11-04 | Gen Mills Inc | Recovery of chromium values |
US3857919A (en) * | 1967-08-01 | 1974-12-31 | Molybdenum Corp | Separating metal values by selective extraction |
US3423300A (en) * | 1967-10-25 | 1969-01-21 | Great Lakes Carbon Corp | Electrolytic regeneration of reduced chromium compounds |
US3625885A (en) * | 1971-05-13 | 1971-12-07 | Rex Chainbelt Inc | Recovery of chromates by reverse osmosis |
FR2179650B1 (sv) * | 1972-04-14 | 1974-07-26 | Ugine Kuhlmann | |
FR2179649B1 (sv) * | 1972-04-14 | 1974-10-18 | Ugine Kuhlmann | |
FI50342C (sv) * | 1972-09-04 | 1976-02-10 | Outokumpu Oy | Extraktionsförfarande för separering av trevärt järn från trevärd krom |
JPS49118633A (sv) * | 1973-03-16 | 1974-11-13 | ||
US3835001A (en) * | 1973-04-30 | 1974-09-10 | Penn Olin Chem Co | Ion exchange removal of dichromates from electrolytically produced alkali metal chlorate-chloride solutions |
JPS5190999A (ja) * | 1975-02-06 | 1976-08-10 | Yobaichushitsuhonyorukuromusannokaishuhoho | |
US4029734A (en) * | 1976-02-19 | 1977-06-14 | Uop Inc. | Recovery of chromium values |
-
1977
- 1977-04-12 US US05/786,770 patent/US4144145A/en not_active Expired - Lifetime
- 1977-04-14 FR FR7711337A patent/FR2348155A1/fr active Granted
- 1977-04-14 SE SE7704293A patent/SE7704293L/sv not_active Application Discontinuation
- 1977-04-15 DE DE19772716815 patent/DE2716815A1/de not_active Withdrawn
-
1979
- 1979-08-13 US US06/066,167 patent/US4349514A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4144145A (en) | 1979-03-13 |
FR2348155A1 (fr) | 1977-11-10 |
DE2716815A1 (de) | 1977-10-20 |
US4349514A (en) | 1982-09-14 |
FR2348155B1 (sv) | 1982-02-05 |
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Legal Events
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NAV | Patent application has lapsed |
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