CA1230806A - Ceric acid decontamination of nuclear reactors - Google Patents

Ceric acid decontamination of nuclear reactors

Info

Publication number
CA1230806A
CA1230806A CA000481173A CA481173A CA1230806A CA 1230806 A CA1230806 A CA 1230806A CA 000481173 A CA000481173 A CA 000481173A CA 481173 A CA481173 A CA 481173A CA 1230806 A CA1230806 A CA 1230806A
Authority
CA
Canada
Prior art keywords
acid
solution
ceric
ceric acid
eerie
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
CA000481173A
Other languages
English (en)
French (fr)
Inventor
Clifton G. Slater
Alexander P. Murray
Robert W. White
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
Application granted granted Critical
Publication of CA1230806A publication Critical patent/CA1230806A/en
Expired 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
    • 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

  • 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)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Detergent Compositions (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)
CA000481173A 1984-05-29 1985-05-09 Ceric acid decontamination of nuclear reactors Expired CA1230806A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US61501884A 1984-05-29 1984-05-29
US615,018 1984-05-29

Publications (1)

Publication Number Publication Date
CA1230806A true CA1230806A (en) 1987-12-29

Family

ID=24463671

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000481173A Expired CA1230806A (en) 1984-05-29 1985-05-09 Ceric acid decontamination of nuclear reactors

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
JPH0310920B2 (enExample) 1991-02-14
ZA853531B (en) 1985-12-24
US4657596A (en) 1987-04-14
KR850008506A (ko) 1985-12-18
JPS613095A (ja) 1986-01-09
EP0164937A1 (en) 1985-12-18
ES543571A0 (es) 1986-10-16
ES8700786A1 (es) 1986-10-16

Similar Documents

Publication Publication Date Title
CA1230806A (en) Ceric acid decontamination of nuclear reactors
EP0071336B1 (en) Process for the chemical dissolution of oxide deposits
US3013909A (en) Method of chemical decontamination of stainless steel nuclear facilities
EP0138289A1 (en) Improvements in or relating to the decontamination of metal surfaces in nuclear power reactors
CA2749642A1 (en) Method for decontaminating radioactively contaminated surfaces
EP2596502B1 (en) Reactor decontamination system and process
JPS6158800B2 (enExample)
US4476047A (en) Process for treatment of oxide films prior to chemical cleaning
RU2080666C1 (ru) Способ обработки высокоактивных азотнокислых рафинатов от регенерации топлива аэс
US4880559A (en) Ceric acid decontamination of nuclear reactors
CA1229480A (en) Ozone oxidation of deposits in cooling systems of nuclear reactors
GB2064852A (en) Decontaminating reagents for radioactive systems
Murray A chemical decontamination process for decontaminating and decommissioning nuclear reactors
US3258429A (en) Decontamination solution and method
EP0859671B1 (en) Method for decontamination of nuclear plant components
US4434137A (en) Method for dissolving hard-to dissolve nuclear fuels
WO1997017146A9 (en) Method for decontamination of nuclear plant components
Murray et al. Dilute chemical decontamination process for pressurized and boiling water reactor applications
JPH07119834B2 (ja) 放射性物質で汚染された表面の汚染物質除去方法
US3595629A (en) Plutonium and neptunium extraction process
US5901368A (en) Radiolysis-assisted decontamination process
Kaminski et al. Metal surface decontamination using 1-hydroxyethane-1, 1-diphosphonic acid
JP6858274B2 (ja) 軽水炉を除染するための亜鉛注入
Bradbury et al. Low concentration decontamination reagent development for LWRs
RU1783585C (ru) Способ дезактивации нержавеющих сталей

Legal Events

Date Code Title Description
MKEX Expiry