GB1055677A - Process for the cleaning of equipment - Google Patents

Process for the cleaning of equipment

Info

Publication number
GB1055677A
GB1055677A GB2444565A GB2444565A GB1055677A GB 1055677 A GB1055677 A GB 1055677A GB 2444565 A GB2444565 A GB 2444565A GB 2444565 A GB2444565 A GB 2444565A GB 1055677 A GB1055677 A GB 1055677A
Authority
GB
United Kingdom
Prior art keywords
cleaning
equipment
agent
ions
bifluoride
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
GB2444565A
Inventor
Jilles De Hek
Wilhelm Johan Henrik Verbon
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.)
VER KUNSTMESTF MEKOG ALBATROS
Original Assignee
VER KUNSTMESTF MEKOG ALBATROS
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
Priority claimed from NL6406533A external-priority patent/NL6406533A/xx
Application filed by VER KUNSTMESTF MEKOG ALBATROS filed Critical VER KUNSTMESTF MEKOG ALBATROS
Publication of GB1055677A publication Critical patent/GB1055677A/en
Expired legal-status Critical Current

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
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/02—Inorganic compounds
    • C11D7/04—Water-soluble compounds
    • C11D7/08—Acids
    • 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
    • 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
    • C23G1/04—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)

Abstract

The cleaning solution of the parent Specification is modified by the addition of a compound forming complexes with ferric but not ferrous ions, e.g. hydrofluoric or phosphoric acids, or their salts such as NH4 bifluoride. The quantity of the stannous ions and of the complexing agent may be maintained constant by measuring the redox potential and adding Sn Cl2 or the agent as required.
GB2444565A 1964-06-09 1965-06-09 Process for the cleaning of equipment Expired GB1055677A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL6406533A NL6406533A (en) 1964-06-09 1964-06-09
NL6506673A NL154790B (en) 1964-06-09 1965-05-25 PROCEDURE FOR CLEANING IRON OR STEEL INTERNAL SURFACES OF INDUSTRIAL EQUIPMENT.

Publications (1)

Publication Number Publication Date
GB1055677A true GB1055677A (en) 1967-01-18

Family

ID=26643779

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2444565A Expired GB1055677A (en) 1964-06-09 1965-06-09 Process for the cleaning of equipment

Country Status (5)

Country Link
BE (1) BE665816A (en)
DE (1) DE1546214C3 (en)
GB (1) GB1055677A (en)
LU (1) LU48852A1 (en)
NL (1) NL154790B (en)

Also Published As

Publication number Publication date
DE1546214B2 (en) 1978-11-23
NL154790B (en) 1977-10-17
NL6506673A (en) 1966-11-28
BE665816A (en) 1965-12-23
LU48852A1 (en) 1965-10-15
DE1546214A1 (en) 1970-08-20
DE1546214C3 (en) 1979-08-09

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