DE69413899D1 - Chemisches Reinigungsverfahren von metallischen Werkstücken - Google Patents

Chemisches Reinigungsverfahren von metallischen Werkstücken

Info

Publication number
DE69413899D1
DE69413899D1 DE69413899T DE69413899T DE69413899D1 DE 69413899 D1 DE69413899 D1 DE 69413899D1 DE 69413899 T DE69413899 T DE 69413899T DE 69413899 T DE69413899 T DE 69413899T DE 69413899 D1 DE69413899 D1 DE 69413899D1
Authority
DE
Germany
Prior art keywords
cleaning process
chemical cleaning
metallic workpieces
workpieces
metallic
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
DE69413899T
Other languages
English (en)
Inventor
Beatrice Sala
Angel Gelpi
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.)
Areva NP SAS
Original Assignee
Framatome SA
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 Framatome SA filed Critical Framatome SA
Application granted granted Critical
Publication of DE69413899D1 publication Critical patent/DE69413899D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/001—Decontamination of contaminated objects, apparatus, clothes, food; Preventing contamination thereof
    • G21F9/002—Decontamination of the surface of objects with chemical or electrochemical processes
    • G21F9/004—Decontamination of the surface of objects with chemical or electrochemical processes of metallic surfaces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Silicon Compounds (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69413899T 1993-07-29 1994-07-27 Chemisches Reinigungsverfahren von metallischen Werkstücken Expired - Lifetime DE69413899D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9309360A FR2708628B1 (fr) 1993-07-29 1993-07-29 Procédé de nettoyage chimique de pièces en matériau métallique.

Publications (1)

Publication Number Publication Date
DE69413899D1 true DE69413899D1 (de) 1998-11-19

Family

ID=9449767

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69413899T Expired - Lifetime DE69413899D1 (de) 1993-07-29 1994-07-27 Chemisches Reinigungsverfahren von metallischen Werkstücken

Country Status (4)

Country Link
US (1) US5575863A (de)
EP (1) EP0636712B1 (de)
DE (1) DE69413899D1 (de)
FR (1) FR2708628B1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0674024B1 (de) * 1994-03-17 1998-12-16 Calgon Corporation Verfahren zur Kontrolle und zum Entfernen von einer Feststoffablagerung auf einer Oberfläche eines Dampferzeugungsanlagebestandteils
US5841826A (en) * 1995-08-29 1998-11-24 Westinghouse Electric Corporation Method of using a chemical solution to dislodge and dislocate scale, sludge and other deposits from nuclear steam generators
US8195273B2 (en) * 2004-02-02 2012-06-05 Esaote S.P.A. Magnetic resonance imaging apparatus
US7857911B2 (en) * 2004-04-01 2010-12-28 Asml Netherlands B.V. Scale conditioning agents and treatment method
US7861915B2 (en) 2004-04-16 2011-01-04 Ms2 Technologies, Llc Soldering process
TW200610122A (en) * 2004-09-14 2006-03-16 P Kay Metal Inc Soldering process
US7302917B2 (en) * 2004-09-29 2007-12-04 Framatome Anp, Inc. Chemical cleaning of a steam generator during mode 5 generator shut down
DE102004054471B3 (de) * 2004-11-11 2006-04-27 Framatome Anp Gmbh Reinigungsverfahren zur Entfernung von Magnetit enthaltenden Ablagerungen aus einem Druckbehälter eines Kraftwerks
US7611588B2 (en) * 2004-11-30 2009-11-03 Ecolab Inc. Methods and compositions for removing metal oxides
DE102008005199B4 (de) * 2008-01-18 2014-01-23 Areva Gmbh Verfahren zur Reinigung eines Wärmetauschers
US8165261B2 (en) * 2008-01-22 2012-04-24 Electric Power Research Institute, Inc. Chemical enhancement of ultrasonic fuel cleaning
CA3075329C (en) * 2010-01-26 2022-11-01 Dominion Engineering, Inc. Method and composition for removing deposits
CN103510097B (zh) * 2012-06-26 2016-02-17 杭州冠洁工业清洗水处理科技有限公司 凝汽器低腐蚀高净度化学清洗方法
CN109323237B (zh) * 2018-09-14 2020-01-07 福建宁德核电有限公司 核级聚丙烯酸分散剂用于核电厂蒸汽发生器湿保养的方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA718380A (en) * 1965-09-21 A. Lesinski Chester Scale removal, ferrous metal passivation and compositions therefor
US3013909A (en) * 1960-03-31 1961-12-19 Guyon P Pancer Method of chemical decontamination of stainless steel nuclear facilities
US3148150A (en) * 1960-05-12 1964-09-08 Petrolite Corp Process for preventing, reducing and removing hard-water scale employing methylol pheol derivatives
US3664870A (en) * 1969-10-29 1972-05-23 Nalco Chemical Co Removal and separation of metallic oxide scale
JPS55109498A (en) * 1979-02-15 1980-08-22 Ichiro Kudo Silicic acid scale removing agent
JPS5892499A (ja) * 1981-11-28 1983-06-01 Nippon Nohyaku Co Ltd スケ−ル除去剤
JPS5929093A (ja) * 1982-08-10 1984-02-16 Power Reactor & Nuclear Fuel Dev Corp スケ−ルの除去方法
DE3431101A1 (de) * 1984-08-24 1986-03-06 Hubert F. 6000 Frankfurt Neuhausen Flusssaeure - enthaltende waessrige organische saeuremischungen mit eventuellem zusatz von anorganischen saeuren und korrisionsinhibitoren
JPS6250489A (ja) * 1985-08-30 1987-03-05 Kawasaki Steel Corp 方向性珪素鋼板の酸化物皮膜除去方法
US4666528A (en) * 1985-11-27 1987-05-19 Halliburton Company Method of removing iron and copper-containing scale from a metal surface
US4729855A (en) * 1985-11-29 1988-03-08 Westinghouse Electric Corp. Method of decontaminating radioactive metal surfaces
US4793865A (en) * 1987-08-19 1988-12-27 Aqua Process, Inc. Method and composition for the removal of ammonium salt and metal compound deposits
US5322636A (en) * 1992-03-30 1994-06-21 Calgon Corporation Polyether polyamino methylene phosphonate n-oxides for high pH scale control

Also Published As

Publication number Publication date
FR2708628B1 (fr) 1997-07-18
EP0636712A1 (de) 1995-02-01
FR2708628A1 (fr) 1995-02-10
EP0636712B1 (de) 1998-10-14
US5575863A (en) 1996-11-19

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Legal Events

Date Code Title Description
8332 No legal effect for de