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 PDF

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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Withdrawn
Application number
EP19930104001
Other languages
German (de)
Other versions
EP0575699A2 (en
Inventor
Ulrich Dr Stroeder
Lothar Schneider
Wolfgang Dr Blatt
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.)
De Nora Deutschland GmbH
Original Assignee
Heraeus Elektrochemie GmbH
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 Heraeus Elektrochemie GmbH filed Critical Heraeus Elektrochemie GmbH
Publication of EP0575699A2 publication Critical patent/EP0575699A2/en
Publication of EP0575699A3 publication Critical patent/EP0575699A3/en
Withdrawn legal-status Critical Current

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)
EP19930104001 1992-06-10 1993-03-12 Process and apparatus for regenerating metal ions and sulfuric acid containing aqueous solutions and use thereof Withdrawn EP0575699A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19924218915 DE4218915A1 (en) 1992-06-10 1992-06-10 Method and device for regenerating an aqueous solution containing metal ions and sulfuric acid, and use
DE4218915 1992-06-10

Publications (2)

Publication Number Publication Date
EP0575699A2 EP0575699A2 (en) 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 (en)
JP (1) JPH0688275A (en)
CA (1) CA2097868A1 (en)
DE (1) DE4218915A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19521132C1 (en) * 1995-06-09 1996-10-17 Poligrat Holding Gmbh Demetallising used, highly acidic electropolishing baths
DE19521596C1 (en) * 1995-06-14 1996-11-28 Ksd Innovations Gmbh Umwelt U Recovery of zinc@ from copper@-contg sulphuric or phosphoric acid pickling solutions
DE19850524C2 (en) * 1998-11-03 2002-04-04 Eilenburger Elektrolyse & Umwelttechnik Gmbh Nitrate-free recycling pickling process for stainless steels
DE19850525A1 (en) * 1998-11-03 2000-05-04 Eilenburger Elektrolyse & Umwelttechnik Gmbh Regeneration of sulfuric acid-iron(III) sulfate pickling solution, used especially for special steels, involves perdisulfuric acid production in a spent solution electrolysis cell
SI2268852T1 (en) * 2008-04-11 2019-09-30 Electrochem Technologies & Materials Inc. Electrochemical process for the recovery of metallic iron and sulfuric acid values from iron-rich sulfate wastes, mining residues and pickling liquors
DE102008056776A1 (en) 2008-11-11 2010-05-12 Enthone Inc., West Haven Galvanic bath and method for the deposition of zinciferous layers
WO2022070119A1 (en) * 2020-10-02 2022-04-07 Zincovery Process Technologies Limited Process to electrochemically extract dissolved metals and an apparatus thereof
JP2024512059A (en) 2021-03-24 2024-03-18 エレクトラスティール インコーポレイテッド Two-stage iron conversion system

Citations (8)

* Cited by examiner, † Cited by third party
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 (en) * 1966-01-22 1971-07-08 Gewerk Keramchemie Process for the selective removal of zinc ions from strongly hydrochloric iron pickles
JPS50151793A (en) * 1974-05-29 1975-12-05
DE2539137A1 (en) * 1974-09-04 1976-03-25 Atok Platinum Mines Proprietar METHOD FOR ELECTROLYTIC EXTRACTION OF NICKEL AND ZINC, AND ELECTROLYSIS CELLS FOR THEREFORE
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 (en) * 1989-03-30 1990-10-05 Morgane Ion exchange membrane for electrodialysis and process for recovery of inorganic acids using such a membrane
EP0435382A1 (en) * 1989-12-28 1991-07-03 METALLGESELLSCHAFT Aktiengesellschaft Electrolytic process for treating waste pickling solutions or product streams containing metallic ions

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5021541B2 (en) * 1972-08-22 1975-07-23
FR2273082B1 (en) * 1974-05-28 1978-03-31 Seprac
JPS5411153B2 (en) * 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

Patent Citations (8)

* Cited by examiner, † Cited by third party
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 (en) * 1966-01-22 1971-07-08 Gewerk Keramchemie Process for the selective removal of zinc ions from strongly hydrochloric iron pickles
JPS50151793A (en) * 1974-05-29 1975-12-05
DE2539137A1 (en) * 1974-09-04 1976-03-25 Atok Platinum Mines Proprietar METHOD FOR ELECTROLYTIC EXTRACTION OF NICKEL AND ZINC, AND ELECTROLYSIS CELLS FOR THEREFORE
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 (en) * 1989-03-30 1990-10-05 Morgane Ion exchange membrane for electrodialysis and process for recovery of inorganic acids using such a membrane
EP0435382A1 (en) * 1989-12-28 1991-07-03 METALLGESELLSCHAFT Aktiengesellschaft Electrolytic process for treating waste pickling solutions or product streams containing metallic ions

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
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
EP0575699A2 (en) 1993-12-29
JPH0688275A (en) 1994-03-29
DE4218915A1 (en) 1993-12-16
CA2097868A1 (en) 1993-12-11

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