ES8700786A1 - Metodo para descontaminar superficies metalicas en un siste-ma de refrigeracion de reactor nuclear - Google Patents

Metodo para descontaminar superficies metalicas en un siste-ma de refrigeracion de reactor nuclear

Info

Publication number
ES8700786A1
ES8700786A1 ES543571A ES543571A ES8700786A1 ES 8700786 A1 ES8700786 A1 ES 8700786A1 ES 543571 A ES543571 A ES 543571A ES 543571 A ES543571 A ES 543571A ES 8700786 A1 ES8700786 A1 ES 8700786A1
Authority
ES
Spain
Prior art keywords
acid
ceric
decontamination
treatment
metal surfaces
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
ES543571A
Other languages
English (en)
Spanish (es)
Other versions
ES543571A0 (es
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of ES543571A0 publication Critical patent/ES543571A0/es
Publication of ES8700786A1 publication Critical patent/ES8700786A1/es
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23GCLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21FPROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/001Decontamination of contaminated objects, apparatus, clothes, food; Preventing contamination thereof
    • G21F9/002Decontamination of the surface of objects with chemical or electrochemical processes
    • G21F9/004Decontamination of the surface of objects with chemical or electrochemical processes of metallic surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Electrochemistry (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Detergent Compositions (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
ES543571A 1984-05-29 1985-05-28 Metodo para descontaminar superficies metalicas en un siste-ma de refrigeracion de reactor nuclear Expired ES8700786A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US61501884A 1984-05-29 1984-05-29

Publications (2)

Publication Number Publication Date
ES543571A0 ES543571A0 (es) 1986-10-16
ES8700786A1 true ES8700786A1 (es) 1986-10-16

Family

ID=24463671

Family Applications (1)

Application Number Title Priority Date Filing Date
ES543571A Expired ES8700786A1 (es) 1984-05-29 1985-05-28 Metodo para descontaminar superficies metalicas en un siste-ma de refrigeracion de reactor nuclear

Country Status (7)

Country Link
US (1) US4657596A (enExample)
EP (1) EP0164937A1 (enExample)
JP (1) JPS613095A (enExample)
KR (1) KR850008506A (enExample)
CA (1) CA1230806A (enExample)
ES (1) ES8700786A1 (enExample)
ZA (1) ZA853531B (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0664191B2 (ja) * 1986-05-07 1994-08-22 科学技術庁原子力局長 放射性クラッドを化学的に溶解するための汚染除去方法
US4747907A (en) * 1986-10-29 1988-05-31 International Business Machines Corporation Metal etching process with etch rate enhancement
SE465142B (sv) * 1988-08-11 1991-07-29 Studsvik Ab Foerfarande foer dekontaminering av korrosionsprodukter i kaernkraftsreaktorer
US4990301A (en) * 1989-01-25 1991-02-05 Continental Pet Technologies, Inc. Method and apparatus for injection molding of multilayer preforms
FR2666523A1 (fr) * 1990-09-12 1992-03-13 Framatome Sa Appareil de travail au laser, notamment pour la decontamination d'une conduite d'un reacteur nucleaire.
US5213623A (en) * 1991-04-05 1993-05-25 Burtner Gerald G Process for cleaning nitric acid absorption column coils
FR2687005B1 (fr) * 1992-02-03 1994-10-21 Framatome Sa Procede et installation de decontamination de la partie primaire d'un generateur de vapeur usage d'un reacteur nucleaire a eau ordinaire sous pression.
FR2706217A1 (fr) * 1993-06-08 1994-12-16 Framatome Sa Procédé de remise en état d'un échangeur de chaleur de centrale nucléaire, notamment d'un échangeur de chaleur de circuit auxiliaire de refroidissement d'un réacteur nucléaire à l'arrêt.
US5489735A (en) * 1994-01-24 1996-02-06 D'muhala; Thomas F. Decontamination composition for removing norms and method utilizing the same
US5814204A (en) * 1996-10-11 1998-09-29 Corpex Technologies, Inc. Electrolytic decontamination processes
BE1011754A3 (fr) * 1998-02-20 1999-12-07 En Nucleaire Etabilissement D Procede et installation de decontamination de surfaces metalliques.
RU2169957C2 (ru) * 1999-02-01 2001-06-27 Государственное предприятие Ленинградская атомная электростанция им. В.И. Ленина Способ обработки контуров водоохлаждаемых реакторов
DE102017107037B3 (de) * 2017-03-31 2018-02-22 Areva Gmbh Verfahren zur Rückgewinnung von Uran von mit Uranoxid kontaminierten Bauteilen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1047232A (enExample) * 1963-07-12
US3549419A (en) * 1965-10-19 1970-12-22 Du Pont Catalytic method for cleaning soiled oven surfaces
US3664870A (en) * 1969-10-29 1972-05-23 Nalco Chemical Co Removal and separation of metallic oxide scale
CH619807A5 (enExample) * 1976-04-07 1980-10-15 Foerderung Forschung Gmbh

Also Published As

Publication number Publication date
JPS613095A (ja) 1986-01-09
KR850008506A (ko) 1985-12-18
US4657596A (en) 1987-04-14
ZA853531B (en) 1985-12-24
CA1230806A (en) 1987-12-29
JPH0310920B2 (enExample) 1991-02-14
ES543571A0 (es) 1986-10-16
EP0164937A1 (en) 1985-12-18

Similar Documents

Publication Publication Date Title
ES8700782A1 (es) Metodo para descontaminar superficies metalicas revestidas de oxidos que contienen sustancias radioactivas
ES8700786A1 (es) Metodo para descontaminar superficies metalicas en un siste-ma de refrigeracion de reactor nuclear
AR248408A1 (es) Procedimiento para la produccion de sucrosa-6-esteres.
BR8004068A (pt) Agente de conservacao liquido, contendo agua, sua aplicacao, e processo para a protecao temporaria de superficies metalicas e laqueadas
BR7708468A (pt) Processo e sistema para transferir um agente liquido
BR7506614A (pt) Processo aperfeicoado e aparelhagem do tipo ejetor aperfeicoada para desinfeccao de liquido de despejo
FR2347752A1 (fr) Procede de decontamination de surfaces metalliques
ES2022720B3 (es) Procedimiento para obtencion o recuperacion de acidos de soluciones que contienen metales de estos acidos.
ES2045298T3 (es) Procedimiento para la descontaminacion quimica de la superficie de un componente metalico de una instalacion de reactor nuclear.
FR2346819A1 (fr) Procede pour la decontamination chimique des parties constitutives des reacteurs nucleaires
ES2034088T5 (es) Procedimiento para la descontaminacion de superficies.
DK90683D0 (da) Fremgangsmade til udvinding af insulin fra et insulin-protaminkompleks
DE3464292D1 (en) Method for decontaminating metals contaminated with radioactive substances
ES8700787A1 (es) Un metodo de descontaminacion de superficies metalicas pro- vistas de un recubrimiento que contiene sustancias radiacti-vas
ES8301553A1 (es) Un procedimiento mejorado de descontaminar un reactor nu- clear o sus componentes
IT1087945B (it) Processo e dispositivo per controllare la natura corrosiva,erosiva e/o incrostante di un liquido.
GB2118759B (en) Process for the recovery of plutonium from aqueous nitric solutions
ES8608215A1 (es) Un procedimiento para oxidar el cromo de los depositos del sistema de refrigeracion de un reactor nuclear
IT1059737B (it) Procedimento per l eliminzazione di acque di scarico contenenti ioni ammonio ioni solfato e sostanze organiche
ES8403531A1 (es) Un metodo para pasivar la superficie de los strippers de las plantas de fabricacion de aurea.
HUT61608A (en) Baths and process for chemical polishing of stainless steel surfaces
BR6915231D0 (pt) Processo para a recuperacao de acidos nitricos e ions metalicos residuais
IT8223691A0 (it) Agente inibitore di incrostazioni e di precipitazione per il trattamento di acque industriali e/o domestiche.
MA19769A1 (fr) Procede de fabrication de solutions de silicate de metal alcalin dans un reacteur statique .
ES503481A0 (es) Procedimiento para suprimir el potencial corrosivo de soluciones acuosas de alcanolaminas que contienen azufre.