DE60126530D1 - Verfahren zum Entfernen einer sauren Ablagerung - Google Patents

Verfahren zum Entfernen einer sauren Ablagerung

Info

Publication number
DE60126530D1
DE60126530D1 DE60126530T DE60126530T DE60126530D1 DE 60126530 D1 DE60126530 D1 DE 60126530D1 DE 60126530 T DE60126530 T DE 60126530T DE 60126530 T DE60126530 T DE 60126530T DE 60126530 D1 DE60126530 D1 DE 60126530D1
Authority
DE
Germany
Prior art keywords
acidic deposit
acidic
deposit
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 - Lifetime
Application number
DE60126530T
Other languages
English (en)
Other versions
DE60126530T2 (de
Inventor
Shigeru Sakurai
Masaharu Emoto
Hachiro Hirano
Makoto Yoshida
Hiroaki Noda
Michihiro Kawano
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.)
AGC Inc
Original Assignee
Asahi Glass Co 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 Asahi Glass Co Ltd filed Critical Asahi Glass Co Ltd
Publication of DE60126530D1 publication Critical patent/DE60126530D1/de
Application granted granted Critical
Publication of DE60126530T2 publication Critical patent/DE60126530T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C11D7/10—Salts
    • C11D7/12—Carbonates bicarbonates
    • 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
    • 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
    • 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
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10—Objects to be cleaned
    • C11D2111/14—Hard surfaces
    • C11D2111/20—Industrial or commercial equipment, e.g. reactors, tubes or engines

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)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Cleaning Or Drying Semiconductors (AREA)
  • Treating Waste Gases (AREA)
  • Detergent Compositions (AREA)
DE60126530T 2000-04-07 2001-04-03 Verfahren zum Entfernen einer sauren Ablagerung Expired - Lifetime DE60126530T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000106733 2000-04-07
JP2000106733 2000-04-07

Publications (2)

Publication Number Publication Date
DE60126530D1 true DE60126530D1 (de) 2007-03-29
DE60126530T2 DE60126530T2 (de) 2007-11-22

Family

ID=18619854

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60126530T Expired - Lifetime DE60126530T2 (de) 2000-04-07 2001-04-03 Verfahren zum Entfernen einer sauren Ablagerung

Country Status (3)

Country Link
US (1) US6524397B2 (de)
EP (1) EP1143037B1 (de)
DE (1) DE60126530T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007018058A1 (ja) * 2005-08-09 2007-02-15 Asahi Glass Company, Limited 酸性付着物の除去方法
US7399366B1 (en) 2007-05-01 2008-07-15 Paul Wegner Product and processes for preventing the occurrence of rust stains resulting from irrigation systems using water containing iron ions and for cleaning off rust stains resulting from using said irrigation systems
US7562664B2 (en) * 2007-05-01 2009-07-21 Paul Wegner Apparatus, products and processes for preventing the occurrence of rust stains resulting from irrigation systems using water containing iron ions
US20110005706A1 (en) * 2009-07-08 2011-01-13 Breen Energy Solutions Method for Online Cleaning of Air Preheaters

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE518666A (de) *
US2140183A (en) * 1936-07-03 1938-12-13 Shell Dev Method of treating wells
US2787326A (en) * 1954-12-31 1957-04-02 Cities Service Res & Dev Co Removal of calcium sulfate scale
US2884349A (en) * 1956-07-19 1959-04-28 Freeport Sulphur Co Removal of calcium sulfate scale
GB951707A (en) * 1962-03-21 1964-03-11 Hans Mettauer Improvements in or relating to processes and apparatus for cleaning boilers
US3360399A (en) * 1966-04-15 1967-12-26 Halliburton Co Method of removing phosphate scale
US3660287A (en) * 1967-10-12 1972-05-02 Frank J Quattrini Aqueous reactive scale solvent
FR2106734A5 (en) * 1970-09-23 1972-05-05 Trans Inter Sarl Cleaning boilers - on the smoke tube side, with an alkaline soln
DE2911259A1 (de) * 1979-03-22 1980-10-02 Shell Ag Mittel zur feuerungsseitigen reinigung von heizkesseln
US4402104A (en) * 1981-10-14 1983-09-06 Prvni Brnenska Strojirna, Koncernovy Podnik Device for the surface cleaning of rotating machine elements
DE3302908C2 (de) * 1982-04-01 1984-07-12 Ferrokémia Ipari Szövetkezet, Budapest Verfahren zur Reinigung feuerseitiger Flächen von Heizanlagen und ein zu diesem Zweck dienendes Präparat mit verbesserter Zusammensetzung
HU198096B (en) * 1987-05-19 1989-07-28 Gyoergy Schamschula Composition for cleaning furnaces from the combustion side
US5146988A (en) * 1991-08-16 1992-09-15 Mobil Oil Corporation Method for scale removal in a wellbore
US5575857A (en) * 1995-07-14 1996-11-19 Church & Dwight Co., Inc. Aqueous alkaline metal descaling concentrate and method of use

Also Published As

Publication number Publication date
US20010039958A1 (en) 2001-11-15
EP1143037A3 (de) 2003-05-14
US6524397B2 (en) 2003-02-25
EP1143037A2 (de) 2001-10-10
DE60126530T2 (de) 2007-11-22
EP1143037B1 (de) 2007-02-14

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Legal Events

Date Code Title Description
8381 Inventor (new situation)

Inventor name: SAKURAI, SHIGERU, KITAKYUSHU, FUKUOKA, JP

Inventor name: EMOTO, MASAHARU, KITAKYUSHU, FUKUOKA, JP

Inventor name: HIRANO, HACHIRO, ICHIHARA, CHIBA, JP

Inventor name: YOSHIDA, MAKOTO, CHIYODA, TOKYO, JP

Inventor name: NODA, HIROAKI, ICHIHARA, CHIBA, JP

Inventor name: KAWANO, MICHIHIRO, YAHATANISHI, FUKUOKA, JP

8364 No opposition during term of opposition