IS2500A7 - Method of removing mainly the titaniferous coatings on walls in heat exchange equipment. - Google Patents

Method of removing mainly the titaniferous coatings on walls in heat exchange equipment.

Info

Publication number
IS2500A7
IS2500A7 IS2500A IS2500A IS2500A7 IS 2500 A7 IS2500 A7 IS 2500A7 IS 2500 A IS2500 A IS 2500A IS 2500 A IS2500 A IS 2500A IS 2500 A7 IS2500 A7 IS 2500A7
Authority
IS
Iceland
Prior art keywords
titaniferous
coatings
walls
heat exchange
exchange equipment
Prior art date
Application number
IS2500A
Other languages
Icelandic (is)
Inventor
Lectard Alain
Original Assignee
Aluminium Pechiney
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 Aluminium Pechiney filed Critical Aluminium Pechiney
Publication of IS2500A7 publication Critical patent/IS2500A7/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
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/08—Iron or steel
    • C23G1/086—Iron or steel solutions containing HF
    • 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
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions

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)
  • Detergent Compositions (AREA)
  • Manufacture And Refinement Of Metals (AREA)
IS2500A 1978-07-19 1979-07-17 Method of removing mainly the titaniferous coatings on walls in heat exchange equipment. IS2500A7 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7822523A FR2431671A1 (en) 1978-07-19 1978-07-19 Removing titaniferous incrustations from heat exchangers or reactors - by treatment with aq. liquor comprising hexa:fluosilicic acid and hydrofluoric acid

Publications (1)

Publication Number Publication Date
IS2500A7 true IS2500A7 (en) 1979-11-30

Family

ID=9211368

Family Applications (1)

Application Number Title Priority Date Filing Date
IS2500A IS2500A7 (en) 1978-07-19 1979-07-17 Method of removing mainly the titaniferous coatings on walls in heat exchange equipment.

Country Status (5)

Country Link
JP (1) JPS5520390A (en)
FR (1) FR2431671A1 (en)
IN (1) IN152318B (en)
IS (1) IS2500A7 (en)
ZA (1) ZA793645B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2101650C1 (en) * 1996-03-18 1998-01-10 Государственный научный центр РФ "Физико-энергетический институт" Method of cleaning inner surface of steel circulating loop containing lead-based liquid metallic heat-transfer agent
JP2005097715A (en) * 2003-08-19 2005-04-14 Mitsubishi Chemicals Corp Etching solution for titanium-containing layer and method for etching titanium-containing layer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB969119A (en) * 1961-09-27 1964-09-09 Dow Chemical Co Method for cleaning stainless steel
FR1461551A (en) * 1965-10-22 1966-02-25 Sefa Soc New product for cleaning stone, bricks, cement and other building materials
GB1344711A (en) * 1971-06-17 1974-01-23 Rolls Royce Method of etching a titanium or titanium alloy part

Also Published As

Publication number Publication date
FR2431671B1 (en) 1980-12-12
JPS5732639B2 (en) 1982-07-12
JPS5520390A (en) 1980-02-13
IN152318B (en) 1983-12-17
ZA793645B (en) 1980-07-30
FR2431671A1 (en) 1980-02-15

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