EP0575699A3 - Process and apparatus for regenerating metal ions and sulfuric acid containing aqueous solutions and use thereof - Google Patents
Process and apparatus for regenerating metal ions and sulfuric acid containing aqueous solutions and use thereof Download PDFInfo
- Publication number
- EP0575699A3 EP0575699A3 EP19930104001 EP93104001A EP0575699A3 EP 0575699 A3 EP0575699 A3 EP 0575699A3 EP 19930104001 EP19930104001 EP 19930104001 EP 93104001 A EP93104001 A EP 93104001A EP 0575699 A3 EP0575699 A3 EP 0575699A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- sulfuric acid
- metal ions
- aqueous solutions
- acid containing
- containing aqueous
- 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.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/36—Regeneration of waste pickling liquors
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19924218915 DE4218915A1 (de) | 1992-06-10 | 1992-06-10 | Verfahren und Vorrichtung zur Regenerierung einer Metallionen und Schwefelsäure enthaltenden wäßrigen Lösung sowie Verwendung |
DE4218915 | 1992-06-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0575699A2 EP0575699A2 (de) | 1993-12-29 |
EP0575699A3 true EP0575699A3 (en) | 1994-06-01 |
Family
ID=6460669
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19930104001 Withdrawn EP0575699A3 (en) | 1992-06-10 | 1993-03-12 | Process and apparatus for regenerating metal ions and sulfuric acid containing aqueous solutions and use thereof |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0575699A3 (de) |
JP (1) | JPH0688275A (de) |
CA (1) | CA2097868A1 (de) |
DE (1) | DE4218915A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19521132C1 (de) * | 1995-06-09 | 1996-10-17 | Poligrat Holding Gmbh | Verfahren zum Entmetallisieren von hochsauren Bädern und Verwendung dieses Verfahrens beim Elektropolieren von Edelstahloberflächen |
DE19521596C1 (de) * | 1995-06-14 | 1996-11-28 | Ksd Innovations Gmbh Umwelt U | Verfahren und Vorrichtung zur elektolytischen Abscheidung von Zink und Kupfer aus saurer Lösung |
DE19850524C2 (de) * | 1998-11-03 | 2002-04-04 | Eilenburger Elektrolyse & Umwelttechnik Gmbh | Nitratfreies Recycling-Beizverfahren für Edelstähle |
DE19850525A1 (de) * | 1998-11-03 | 2000-05-04 | Eilenburger Elektrolyse & Umwelttechnik Gmbh | Verfahren zum elektrochemischen Regenerieren von Schwefelsäure-Eisen-III-sulfat-Beizlösungen für Edelstähle |
ES2712722T3 (es) * | 2008-04-11 | 2019-05-14 | Electrochem Tech & Materials Inc | Procedimiento electroquímico para la recuperación de valores de hierro metálico y ácido sulfúrico a partir de desechos de sulfatos ricos en hierro, residuos de minería y licores decapantes |
DE102008056776A1 (de) | 2008-11-11 | 2010-05-12 | Enthone Inc., West Haven | Galvanisches Bad und Verfahren zur Abscheidung von zinkhaltigen Schichten |
WO2022070119A1 (en) * | 2020-10-02 | 2022-04-07 | Zincovery Process Technologies Limited | Process to electrochemically extract dissolved metals and an apparatus thereof |
WO2022204391A1 (en) | 2021-03-24 | 2022-09-29 | Electrasteel, Inc. | Ore dissolution and iron conversion system |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2810686A (en) * | 1954-11-09 | 1957-10-22 | Rohm & Haas | Electrolytic treatment of waste sulfate pickle liquor |
DE1621577A1 (de) * | 1966-01-22 | 1971-07-08 | Gewerk Keramchemie | Verfahren zur selektiven Entfernung von Zinkionen aus stark salzsauren Eisenbeizen |
JPS50151793A (de) * | 1974-05-29 | 1975-12-05 | ||
DE2539137A1 (de) * | 1974-09-04 | 1976-03-25 | Atok Platinum Mines Proprietar | Verfahren zur elektrolytischen gewinnung von nickel und zink sowie elektrolysezelle hierfuer |
US4148700A (en) * | 1976-10-14 | 1979-04-10 | David B. Dean | Method for purifying the liquor of a galvanizing process plant after contamination |
US4149951A (en) * | 1978-05-22 | 1979-04-17 | Eddleman William L | Frame filter press and apparatus |
FR2645044A1 (fr) * | 1989-03-30 | 1990-10-05 | Morgane | Membrane echangeuse d'ions pour electrodialyse et procede de recuperation d'acides mineraux mettant en oeuvre une telle membrane |
EP0435382A1 (de) * | 1989-12-28 | 1991-07-03 | METALLGESELLSCHAFT Aktiengesellschaft | Elektrolyseverfahren zur Aufbereitung Metallionen enthaltender Altbeizen oder Produktströme |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5021541B2 (de) * | 1972-08-22 | 1975-07-23 | ||
FR2273082B1 (de) * | 1974-05-28 | 1978-03-31 | Seprac | |
JPS5411153B2 (de) * | 1974-10-04 | 1979-05-12 | ||
JPS51135173A (en) * | 1975-05-19 | 1976-11-24 | Asahi Glass Co Ltd | Method of treating waste liquor containing acids and metal salts there of |
JPS52101690A (en) * | 1976-02-24 | 1977-08-25 | Asahi Glass Co Ltd | Separation of acid and metal from solution containing acid and its met al salts and recovery of them |
JPS5311814A (en) * | 1976-07-21 | 1978-02-02 | Nakamura Minoru | Electrolytic recovering method of nickel using ion exchange membranes |
JPS5544588A (en) * | 1978-09-26 | 1980-03-28 | Sumitomo Metal Ind Ltd | Recovering method for mixture of hydrofluoric acid and nitric acid |
-
1992
- 1992-06-10 DE DE19924218915 patent/DE4218915A1/de not_active Ceased
-
1993
- 1993-03-12 EP EP19930104001 patent/EP0575699A3/de not_active Withdrawn
- 1993-06-07 CA CA 2097868 patent/CA2097868A1/en not_active Abandoned
- 1993-06-10 JP JP13871093A patent/JPH0688275A/ja active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2810686A (en) * | 1954-11-09 | 1957-10-22 | Rohm & Haas | Electrolytic treatment of waste sulfate pickle liquor |
DE1621577A1 (de) * | 1966-01-22 | 1971-07-08 | Gewerk Keramchemie | Verfahren zur selektiven Entfernung von Zinkionen aus stark salzsauren Eisenbeizen |
JPS50151793A (de) * | 1974-05-29 | 1975-12-05 | ||
DE2539137A1 (de) * | 1974-09-04 | 1976-03-25 | Atok Platinum Mines Proprietar | Verfahren zur elektrolytischen gewinnung von nickel und zink sowie elektrolysezelle hierfuer |
US4148700A (en) * | 1976-10-14 | 1979-04-10 | David B. Dean | Method for purifying the liquor of a galvanizing process plant after contamination |
US4149951A (en) * | 1978-05-22 | 1979-04-17 | Eddleman William L | Frame filter press and apparatus |
FR2645044A1 (fr) * | 1989-03-30 | 1990-10-05 | Morgane | Membrane echangeuse d'ions pour electrodialyse et procede de recuperation d'acides mineraux mettant en oeuvre une telle membrane |
EP0435382A1 (de) * | 1989-12-28 | 1991-07-03 | METALLGESELLSCHAFT Aktiengesellschaft | Elektrolyseverfahren zur Aufbereitung Metallionen enthaltender Altbeizen oder Produktströme |
Non-Patent Citations (2)
Title |
---|
BRAMER H. C.: "Electrolytic Regeneration of Spent Pickling solutions", INDUSTRIAL AND ENGINEERING CHEMISTY, vol. 47, no. 1, 1 January 1955 (1955-01-01), pages 67 - 70, XP001306121 * |
CHEMICAL ABSTRACTS, vol. 84, no. 16, 19 April 1976, Columbus, Ohio, US; abstract no. 109068p, KANAGAWA: "Recovery of iron and acid from waste acid" page 226; * |
Also Published As
Publication number | Publication date |
---|---|
DE4218915A1 (de) | 1993-12-16 |
EP0575699A2 (de) | 1993-12-29 |
JPH0688275A (ja) | 1994-03-29 |
CA2097868A1 (en) | 1993-12-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19930325 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
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AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE |
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17Q | First examination report despatched |
Effective date: 19941206 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19950419 |