CA995567A - Method and compositions for removing metal oxide deposits - Google Patents

Method and compositions for removing metal oxide deposits

Info

Publication number
CA995567A
CA995567A CA182,784A CA182784A CA995567A CA 995567 A CA995567 A CA 995567A CA 182784 A CA182784 A CA 182784A CA 995567 A CA995567 A CA 995567A
Authority
CA
Canada
Prior art keywords
compositions
metal oxide
removing metal
oxide deposits
deposits
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
CA182,784A
Other languages
English (en)
Inventor
Gordon Halsey
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.)
Monsanto Ltd
Original Assignee
Monsanto Ltd
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 Monsanto Ltd filed Critical Monsanto Ltd
Application granted granted Critical
Publication of CA995567A publication Critical patent/CA995567A/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
    • C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
    • C23G1/19—Iron or steel
    • 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
    • C23G1/24—Cleaning or pickling metallic material with solutions or molten salts with neutral 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Cleaning By Liquid Or Steam (AREA)
CA182,784A 1972-10-09 1973-10-05 Method and compositions for removing metal oxide deposits Expired CA995567A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4640272A GB1397451A (en) 1972-10-09 1972-10-09 Descaling formulations

Publications (1)

Publication Number Publication Date
CA995567A true CA995567A (en) 1976-08-24

Family

ID=10441109

Family Applications (1)

Application Number Title Priority Date Filing Date
CA182,784A Expired CA995567A (en) 1972-10-09 1973-10-05 Method and compositions for removing metal oxide deposits

Country Status (9)

Country Link
JP (1) JPS49133701A (de)
BE (1) BE805633A (de)
CA (1) CA995567A (de)
DE (1) DE2350417A1 (de)
ES (1) ES419302A1 (de)
FR (1) FR2202145B1 (de)
GB (1) GB1397451A (de)
IT (1) IT997882B (de)
NL (1) NL7313474A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5078894A (en) * 1990-04-30 1992-01-07 Arch Development Corporation Formulations for iron oxides dissolution
US6348440B1 (en) 2000-08-02 2002-02-19 Betzdearborn Inc. Method of cleaning a metal surface

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3336221A (en) * 1964-11-05 1967-08-15 Calgon Corp Method of inhibiting precipitation and scale formation
CA790610A (en) * 1965-12-28 1968-07-23 T. Quimby Oscar Diphosphonate compounds and detergent compositions
GB1345518A (en) * 1970-02-20 1974-01-30 Albright & Wilson Phosphonate sequestrant

Also Published As

Publication number Publication date
GB1397451A (en) 1975-06-11
NL7313474A (de) 1974-04-11
FR2202145A1 (de) 1974-05-03
JPS49133701A (de) 1974-12-23
BE805633A (fr) 1974-04-03
DE2350417A1 (de) 1974-05-02
FR2202145B1 (de) 1976-11-19
IT997882B (it) 1975-12-30
AU6095173A (en) 1975-04-10
ES419302A1 (es) 1976-02-16

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