CH510128A - Method and electrolysis device for treating a bath containing trivalent chromium - Google Patents

Method and electrolysis device for treating a bath containing trivalent chromium

Info

Publication number
CH510128A
CH510128A CH107967A CH107967A CH510128A CH 510128 A CH510128 A CH 510128A CH 107967 A CH107967 A CH 107967A CH 107967 A CH107967 A CH 107967A CH 510128 A CH510128 A CH 510128A
Authority
CH
Switzerland
Prior art keywords
treating
bath containing
trivalent chromium
electrolysis device
containing trivalent
Prior art date
Application number
CH107967A
Other languages
German (de)
Inventor
Dev Bedi Ram
Dow Ronald
Original Assignee
M & T Chemicals Inc
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 M & T Chemicals Inc filed Critical M & T Chemicals Inc
Publication of CH510128A publication Critical patent/CH510128A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G37/00—Compounds of chromium
    • C01G37/14—Chromates; Bichromates
    • 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
    • C25D21/18—Regeneration of process solutions of electrolytes
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
  • Electroplating Methods And Accessories (AREA)
CH107967A 1966-01-26 1967-01-25 Method and electrolysis device for treating a bath containing trivalent chromium CH510128A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US52311666A 1966-01-26 1966-01-26
US4585470A 1970-06-12 1970-06-12

Publications (1)

Publication Number Publication Date
CH510128A true CH510128A (en) 1971-07-15

Family

ID=26723268

Family Applications (1)

Application Number Title Priority Date Filing Date
CH107967A CH510128A (en) 1966-01-26 1967-01-25 Method and electrolysis device for treating a bath containing trivalent chromium

Country Status (6)

Country Link
US (2) US3616304A (en)
BR (1) BR6786473D0 (en)
CH (1) CH510128A (en)
ES (1) ES336062A1 (en)
FR (1) FR1510316A (en)
NL (1) NL6701276A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2646590A1 (en) * 1976-10-15 1978-04-20 Bosch Gmbh Robert Chromic acid bath regenerated by electrochemical oxidn. - and used for roughening plastics, esp. printed circuit boards

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3661732A (en) * 1970-06-01 1972-05-09 Production Machinery Corp Method and apparatus for electroplating
US3926754A (en) * 1972-02-11 1975-12-16 Andco Inc Electrochemical contaminant removal from aqueous media
US3847765A (en) * 1972-12-20 1974-11-12 Mitsubishi Petrochemical Co Method for the treatment of cyanide-containing wastes
US4006067A (en) * 1973-03-05 1977-02-01 Gussack Mark C Oxidation-reduction process
US3909381A (en) * 1974-11-18 1975-09-30 Raymond John L Purification of chromium plating solutions by electrodialysis
US4118295A (en) * 1976-04-20 1978-10-03 Dart Industries Inc. Regeneration of plastic etchants
JPS52141439A (en) * 1976-04-27 1977-11-25 Nippon Paint Co Ltd Method of managing chemicallconversion treating liquid for acidic phosphate coating
US4302304A (en) * 1978-08-11 1981-11-24 Mitsubishi Jukogyo Kabushiki Kaisha Process for treating electrolytic solution
US4188272A (en) * 1979-05-07 1980-02-12 Eastman Kodak Company Electrical chemical process for the removal of hexavalent chromium from aqueous medium
US4337129A (en) * 1979-05-08 1982-06-29 The United States Of America As Represented By The Secretary Of The Interior Regeneration of waste metallurgical process liquor
US4217192A (en) * 1979-06-11 1980-08-12 The United States Of America As Represented By The United States Department Of Energy Decontamination of metals using chemical etching
FR2465011A1 (en) * 1979-09-06 1981-03-20 Carnaud Sa MATERIAL CONSISTING OF A PROTECTED STEEL SHEET, METHOD FOR MANUFACTURING SAME, AND APPLICATIONS THEREOF, IN PARTICULAR TO PRESERVE BOXES
US4256557A (en) * 1979-10-16 1981-03-17 The United States Of America As Represented By The Secretary Of The Interior Copper electrowinning and Cr+6 reduction in spent etchants using porous fixed bed coke electrodes
US4325792A (en) * 1981-03-09 1982-04-20 Vaughan Daniel J Purification process
US4701246A (en) * 1985-03-07 1987-10-20 Kabushiki Kaisha Toshiba Method for production of decontaminating liquid
US5246559A (en) * 1991-11-29 1993-09-21 Eltech Systems Corporation Electrolytic cell apparatus
US6063252A (en) * 1997-08-08 2000-05-16 Raymond; John L. Method and apparatus for enriching the chromium in a chromium plating bath
FR2791662B1 (en) * 1999-04-01 2001-06-22 Conservatoire Nat Arts PROCESS FOR THE ELECTROCHEMICAL TREATMENT OF EFFLUENTS, IN PARTICULAR TANNING EFFLUENTS, INCLUDING CHROMIUM SALTS
US6207033B1 (en) * 1999-05-06 2001-03-27 The United States Of America As Represented By The Secretary Of The Army Process and apparatus for regeneration of chromium plating bath
US6468414B1 (en) 2001-02-16 2002-10-22 Hydro-Quebec Method of purification of a redox mediator before electrolytic regeneration thereof
US7473546B2 (en) * 2003-11-13 2009-01-06 Savannah River Nuclear Solutions, Llc Surfactant biocatalyst for remediation of recalcitrant organics and heavy metals
US20050208670A1 (en) * 2004-03-22 2005-09-22 Wittenberg Malcolm B Detection of mercury in biological samples

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2646590A1 (en) * 1976-10-15 1978-04-20 Bosch Gmbh Robert Chromic acid bath regenerated by electrochemical oxidn. - and used for roughening plastics, esp. printed circuit boards

Also Published As

Publication number Publication date
US3682796A (en) 1972-08-08
FR1510316A (en) 1968-01-19
NL6701276A (en) 1967-07-27
US3616304A (en) 1971-10-26
BR6786473D0 (en) 1973-01-09
ES336062A1 (en) 1968-06-01

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Legal Events

Date Code Title Description
PL Patent ceased