NO138413C - PROCEDURE AND SYSTEMS FOR CHEMICAL SURFACE TREATMENT OF METAL OBJECTS IN CLOSED CYCLES WITH CHEMICAL RECYCLING WITHOUT DETERGENT SYSTEMS - Google Patents

PROCEDURE AND SYSTEMS FOR CHEMICAL SURFACE TREATMENT OF METAL OBJECTS IN CLOSED CYCLES WITH CHEMICAL RECYCLING WITHOUT DETERGENT SYSTEMS

Info

Publication number
NO138413C
NO138413C NO754368A NO754368A NO138413C NO 138413 C NO138413 C NO 138413C NO 754368 A NO754368 A NO 754368A NO 754368 A NO754368 A NO 754368A NO 138413 C NO138413 C NO 138413C
Authority
NO
Norway
Prior art keywords
systems
chemical
procedure
surface treatment
metal objects
Prior art date
Application number
NO754368A
Other languages
Norwegian (no)
Other versions
NO754368L (en
NO138413B (en
Inventor
Asbjoern Ludvig Olsen
Oeyvind Vige Bjoernsen
Sigbjoern Thomas Halvorsen
Original Assignee
Norsk Nydro A S
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 Norsk Nydro A S filed Critical Norsk Nydro A S
Priority to NO754368A priority Critical patent/NO138413C/en
Priority to DE19762656103 priority patent/DE2656103A1/en
Priority to AT924176A priority patent/AT349847B/en
Priority to SE7614144A priority patent/SE7614144L/en
Publication of NO754368L publication Critical patent/NO754368L/no
Publication of NO138413B publication Critical patent/NO138413B/en
Publication of NO138413C publication Critical patent/NO138413C/en

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
    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/73—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process

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)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Chemically Coating (AREA)
NO754368A 1975-12-23 1975-12-23 PROCEDURE AND SYSTEMS FOR CHEMICAL SURFACE TREATMENT OF METAL OBJECTS IN CLOSED CYCLES WITH CHEMICAL RECYCLING WITHOUT DETERGENT SYSTEMS NO138413C (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NO754368A NO138413C (en) 1975-12-23 1975-12-23 PROCEDURE AND SYSTEMS FOR CHEMICAL SURFACE TREATMENT OF METAL OBJECTS IN CLOSED CYCLES WITH CHEMICAL RECYCLING WITHOUT DETERGENT SYSTEMS
DE19762656103 DE2656103A1 (en) 1975-12-23 1976-12-10 Chemical surface treatment of metals in closed circuit - using evaporator to recover water and chemicals from rinsing tanks
AT924176A AT349847B (en) 1975-12-23 1976-12-14 PROCESS AND SYSTEM FOR CHEMICAL SURFACE TREATMENT OF METAL OBJECTS IN A CLOSED CIRCUIT WITH CHEMICAL RECOVERY WITHOUT DETOXIFICATION SYSTEMS
SE7614144A SE7614144L (en) 1975-12-23 1976-12-16 CHEMICAL SURFACE TREATMENT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO754368A NO138413C (en) 1975-12-23 1975-12-23 PROCEDURE AND SYSTEMS FOR CHEMICAL SURFACE TREATMENT OF METAL OBJECTS IN CLOSED CYCLES WITH CHEMICAL RECYCLING WITHOUT DETERGENT SYSTEMS

Publications (3)

Publication Number Publication Date
NO754368L NO754368L (en) 1977-06-24
NO138413B NO138413B (en) 1978-05-22
NO138413C true NO138413C (en) 1978-08-30

Family

ID=19882620

Family Applications (1)

Application Number Title Priority Date Filing Date
NO754368A NO138413C (en) 1975-12-23 1975-12-23 PROCEDURE AND SYSTEMS FOR CHEMICAL SURFACE TREATMENT OF METAL OBJECTS IN CLOSED CYCLES WITH CHEMICAL RECYCLING WITHOUT DETERGENT SYSTEMS

Country Status (4)

Country Link
AT (1) AT349847B (en)
DE (1) DE2656103A1 (en)
NO (1) NO138413C (en)
SE (1) SE7614144L (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5910430B2 (en) * 1976-04-19 1984-03-08 日本ペイント株式会社 Phosphate film chemical conversion treatment method
DE2903008A1 (en) * 1979-01-25 1980-07-31 Schering Ag METHOD FOR EVAPORATION AND, IF NECESSARY, RECOVERY OF WATER FROM AQUEOUS SOLUTIONS
DE4307591A1 (en) * 1992-06-22 1994-09-15 Eisenmann Kg Maschbau Process for the reduction of nitrite concentration in phosphate bath systems
DE4220401A1 (en) * 1992-06-22 1993-12-23 Eisenmann Kg Maschbau Water circulation management for installations for workpiece etc. treatment in baths - including an evaporation unit for production of rinsing water
US6235111B1 (en) 1998-11-25 2001-05-22 Ez Environmental Solutions, Corporation Closed-loop phosphatizing system and method

Also Published As

Publication number Publication date
NO754368L (en) 1977-06-24
NO138413B (en) 1978-05-22
ATA924176A (en) 1978-09-15
AT349847B (en) 1979-04-25
DE2656103A1 (en) 1977-07-07
SE7614144L (en) 1977-06-24

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