DE60126530D1 - Verfahren zum Entfernen einer sauren Ablagerung - Google Patents
Verfahren zum Entfernen einer sauren AblagerungInfo
- 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
Links
- 230000002378 acidificating effect Effects 0.000 title 1
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)
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)
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)
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 |
-
2001
- 2001-04-03 DE DE60126530T patent/DE60126530T2/de not_active Expired - Lifetime
- 2001-04-03 EP EP01108399A patent/EP1143037B1/de not_active Expired - Lifetime
- 2001-04-05 US US09/825,829 patent/US6524397B2/en not_active Expired - Fee Related
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 |