AT259325B - Process for removing copper-containing deposits from iron and steel surfaces - Google Patents

Process for removing copper-containing deposits from iron and steel surfaces

Info

Publication number
AT259325B
AT259325B AT988165A AT988165A AT259325B AT 259325 B AT259325 B AT 259325B AT 988165 A AT988165 A AT 988165A AT 988165 A AT988165 A AT 988165A AT 259325 B AT259325 B AT 259325B
Authority
AT
Austria
Prior art keywords
iron
steel surfaces
removing copper
containing deposits
deposits
Prior art date
Application number
AT988165A
Other languages
German (de)
Inventor
Paul Van Dillen
Eva Vollmer
Original Assignee
Borg Holding 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 Borg Holding Ag filed Critical Borg Holding Ag
Application granted granted Critical
Publication of AT259325B publication Critical patent/AT259325B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
    • 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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/44—Compositions for etching metallic material from a metallic material substrate of different composition
    • 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
    • C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
    • C23G1/19—Iron or steel

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Detergent Compositions (AREA)
AT988165A 1965-10-28 1965-11-02 Process for removing copper-containing deposits from iron and steel surfaces AT259325B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1491465A CH484295A (en) 1965-10-28 1965-10-28 Process for removing copper-containing deposits from steel surfaces

Publications (1)

Publication Number Publication Date
AT259325B true AT259325B (en) 1968-01-10

Family

ID=4404805

Family Applications (1)

Application Number Title Priority Date Filing Date
AT988165A AT259325B (en) 1965-10-28 1965-11-02 Process for removing copper-containing deposits from iron and steel surfaces

Country Status (5)

Country Link
AT (1) AT259325B (en)
CH (1) CH484295A (en)
DE (1) DE1546096A1 (en)
FR (1) FR1496473A (en)
GB (1) GB1098909A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2157766A1 (en) * 1971-10-26 1973-06-08 Pmd Chemicals Ltd Copper-etching ammoniacal solns - contg additives increasing solubility of copper ions
DE2702716C2 (en) * 1977-01-24 1979-06-28 Josef Krammer Chem. Dampfkessel- Reinigung, 4040 Neuss Process and device for cleaning boilers or ovens on the smoke side
US4654170A (en) * 1984-06-05 1987-03-31 Westinghouse Electric Corp. Hypohalite oxidation in decontaminating nuclear reactors
DE3625280A1 (en) * 1986-07-25 1988-02-04 Feldmann Hagen Purifier for drinking water plants
CN106521526A (en) * 2016-11-29 2017-03-22 洛阳新巨能高热技术有限公司 Metal material cleaning agent

Also Published As

Publication number Publication date
GB1098909A (en) 1968-01-10
CH484295A (en) 1970-01-15
DE1546096A1 (en) 1970-02-05
FR1496473A (en) 1967-09-29

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