CH515344A - Verfahren zur Oberflächenbehandlung von Metallgegenständen - Google Patents

Verfahren zur Oberflächenbehandlung von Metallgegenständen

Info

Publication number
CH515344A
CH515344A CH939869A CH939869A CH515344A CH 515344 A CH515344 A CH 515344A CH 939869 A CH939869 A CH 939869A CH 939869 A CH939869 A CH 939869A CH 515344 A CH515344 A CH 515344A
Authority
CH
Switzerland
Prior art keywords
surface treatment
metal objects
objects
metal
treatment
Prior art date
Application number
CH939869A
Other languages
English (en)
Inventor
Herman Ericson Harry Axel
Bertil Norstedt Gustav
Original Assignee
Nordnero Ag
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 Nordnero Ag filed Critical Nordnero Ag
Publication of CH515344A publication Critical patent/CH515344A/de

Links

Classifications

    • 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
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
    • 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
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
    • 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
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • C02F2101/18—Cyanides
    • 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
    • Y10S210/903—Nitrogenous
    • Y10S210/904—-CN containing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
CH939869A 1968-06-19 1969-06-19 Verfahren zur Oberflächenbehandlung von Metallgegenständen CH515344A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8355/68A SE321836B (de) 1968-06-19 1968-06-19

Publications (1)

Publication Number Publication Date
CH515344A true CH515344A (de) 1971-11-15

Family

ID=20273835

Family Applications (1)

Application Number Title Priority Date Filing Date
CH939869A CH515344A (de) 1968-06-19 1969-06-19 Verfahren zur Oberflächenbehandlung von Metallgegenständen

Country Status (7)

Country Link
US (1) US3645867A (de)
CH (1) CH515344A (de)
DE (1) DE1931123C3 (de)
FR (1) FR2013349A1 (de)
GB (1) GB1226684A (de)
NL (1) NL6909276A (de)
SE (1) SE321836B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3847765A (en) * 1972-12-20 1974-11-12 Mitsubishi Petrochemical Co Method for the treatment of cyanide-containing wastes
CA1016495A (en) * 1973-01-02 1977-08-30 Clare J. Beingessner Electro-oxidizing cyanide waste and conveying gas-liquid mixture along confined path
US3970531A (en) * 1974-09-04 1976-07-20 Rockwell International Corporation Decreasing the cyanide and heavy metal content of an aqueous solution
GB1505361A (en) * 1975-02-18 1978-03-30 Nat Res Dev Electrochemical oxidation of cyanides
US4145268A (en) * 1977-03-22 1979-03-20 British Columbia Research Council Method of conducting an electrolysis
US4238314A (en) * 1978-08-16 1980-12-09 Katsuhiro Okuho Continuous electrolytic treatment of circulating washings in the plating process and an apparatus therefor
US4319968A (en) * 1979-07-05 1982-03-16 Katsuhiro Okubo Electrolytically decomposing method for iron-cyanide complex
SE8005138L (sv) * 1980-07-11 1982-01-12 Sodermark Nils Erik Sett att avgifta cyanider

Also Published As

Publication number Publication date
US3645867A (en) 1972-02-29
GB1226684A (de) 1971-03-31
SE321836B (de) 1970-03-16
DE1931123C3 (de) 1980-04-30
DE1931123A1 (de) 1970-01-02
NL6909276A (de) 1969-12-23
DE1931123B2 (de) 1971-09-23
FR2013349A1 (de) 1970-04-03

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Legal Events

Date Code Title Description
PL Patent ceased