GB962743A - Process for removing vanadium-containing deposits from surfaces - Google Patents

Process for removing vanadium-containing deposits from surfaces

Info

Publication number
GB962743A
GB962743A GB3567861A GB3567861A GB962743A GB 962743 A GB962743 A GB 962743A GB 3567861 A GB3567861 A GB 3567861A GB 3567861 A GB3567861 A GB 3567861A GB 962743 A GB962743 A GB 962743A
Authority
GB
United Kingdom
Prior art keywords
peroxide
solution
containing deposits
vanadium
suitably
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB3567861A
Inventor
Richard Benjamin Hollis Sewell
James Ray Brown
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Minister of National Defence of Canada
UK Secretary of State for Defence
Original Assignee
Minister of National Defence of Canada
UK Secretary of State for Defence
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 Minister of National Defence of Canada, UK Secretary of State for Defence filed Critical Minister of National Defence of Canada
Priority to GB3567861A priority Critical patent/GB962743A/en
Priority to US143590A priority patent/US3173874A/en
Publication of GB962743A publication Critical patent/GB962743A/en
Expired legal-status Critical Current

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
    • 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

Abstract

Vanadium-containing deposits are removed from surfaces by treatment with a solution containing (a) a peroxide, and (b) at least 0.1% by weight of a peroxide-compatible wetting agent. (a) preferably comprises a 2-20% solution of hydrogen peroxide. (b) is most suitably a sodium alkylaryl sulphonate in an amount of 0.1-0.2%, but may also be an alkylphenol polyglycol ether.ALSO:Vanadium-containing deposits are removed from metal surfaces by spraying the surfaces alternately with a liquid, preferably aqueous, composition comprising (a) a solution of a peroxide and (b) at least 0.1% by weight of a peroxide compatible wetting agent and with water. (a) preferably comprises a 2-20% solution of hydrogen peroxide, while (b) is most suitably a sodium alkylaryl sulphonate in an amount of 0.1-0.2%, but may absorb an alkylphenol polyglycol ether.
GB3567861A 1961-10-03 1961-10-03 Process for removing vanadium-containing deposits from surfaces Expired GB962743A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB3567861A GB962743A (en) 1961-10-03 1961-10-03 Process for removing vanadium-containing deposits from surfaces
US143590A US3173874A (en) 1961-10-03 1961-10-09 Process for removal of vanadium deposits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3567861A GB962743A (en) 1961-10-03 1961-10-03 Process for removing vanadium-containing deposits from surfaces

Publications (1)

Publication Number Publication Date
GB962743A true GB962743A (en) 1964-07-01

Family

ID=10380367

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3567861A Expired GB962743A (en) 1961-10-03 1961-10-03 Process for removing vanadium-containing deposits from surfaces

Country Status (1)

Country Link
GB (1) GB962743A (en)

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