GB1130068A - Method of and composition for decontaminating nuclear reactors - Google Patents

Method of and composition for decontaminating nuclear reactors

Info

Publication number
GB1130068A
GB1130068A GB11681/67A GB1168167A GB1130068A GB 1130068 A GB1130068 A GB 1130068A GB 11681/67 A GB11681/67 A GB 11681/67A GB 1168167 A GB1168167 A GB 1168167A GB 1130068 A GB1130068 A GB 1130068A
Authority
GB
United Kingdom
Prior art keywords
nuclear reactors
oxalic acid
composition
ammonium citrate
reactors
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
GB11681/67A
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.)
US Atomic Energy Commission (AEC)
Original Assignee
US Atomic Energy Commission (AEC)
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 US Atomic Energy Commission (AEC) filed Critical US Atomic Energy Commission (AEC)
Publication of GB1130068A publication Critical patent/GB1130068A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Food Science & Technology (AREA)
  • Electrochemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1,130,068. Reactors. UNITED STATES ATOMIC ENERGY COMMISSION. 13 March, 1967 [28 April, 1966], No. 11681/67. Heading G6C. [Also in Division C7] Radio active contamination is removed from metal parts, e.g. brass, bronze, carbon steel or stainless steel cooling systems of nuclear reactors, with an aqueous solution of Cg. 1 1., oxalic acid 20 to 30, dibasic ammonium citrate 40 to 60, ferric sulphate or nitrate 1.7 to 2.4, diethyl thiourea 0.8 to 1.2 where the ratio of oxalic acid to dibasic ammonium citrate is not greater than 1: 2. The metal may be first treated with a hot aqueous, alkaline potassium permanganate solution.
GB11681/67A 1966-04-28 1967-03-13 Method of and composition for decontaminating nuclear reactors Expired GB1130068A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US54648966A 1966-04-28 1966-04-28

Publications (1)

Publication Number Publication Date
GB1130068A true GB1130068A (en) 1968-10-09

Family

ID=24180661

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11681/67A Expired GB1130068A (en) 1966-04-28 1967-03-13 Method of and composition for decontaminating nuclear reactors

Country Status (9)

Country Link
US (1) US3496017A (en)
BE (1) BE696994A (en)
CH (1) CH468697A (en)
DE (1) DE1621670A1 (en)
ES (1) ES339132A1 (en)
GB (1) GB1130068A (en)
IL (1) IL27663A (en)
NO (1) NO122687B (en)
SE (1) SE321130B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0090512A1 (en) * 1982-03-22 1983-10-05 London Nuclear Limited Process for treatment of oxide films prior to chemical cleaning
GB2220005A (en) * 1988-06-28 1989-12-28 Borsodi Vegyi Komb Process for removing oxide layer and scale from metals and metal alloys
FR2699936A1 (en) * 1992-12-24 1994-07-01 Electricite De France Process for dissolving oxides deposited on a metal substrate

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3664870A (en) * 1969-10-29 1972-05-23 Nalco Chemical Co Removal and separation of metallic oxide scale
US3873362A (en) * 1973-05-29 1975-03-25 Halliburton Co Process for cleaning radioactively contaminated metal surfaces
US4063962A (en) * 1976-04-07 1977-12-20 General Atomic Company Method and apparatus for cleaning nuclear fuel elements
CA1064626A (en) * 1977-06-09 1979-10-16 Majesty (Her) In Right Of Canada As Represented By Atomic Energy Of Cana Da Limited Deposit suppression in the core of water-cooled nuclear reactors
US4460479A (en) * 1978-09-14 1984-07-17 Mulder Gerard W Method for polishing, deburring and descaling stainless steel
US4226640A (en) * 1978-10-26 1980-10-07 Kraftwerk Union Aktiengesellschaft Method for the chemical decontamination of nuclear reactor components
US4217192A (en) * 1979-06-11 1980-08-12 The United States Of America As Represented By The United States Department Of Energy Decontamination of metals using chemical etching
US4470920A (en) * 1981-05-11 1984-09-11 Custom Research And Development Metal oxide remover for stainless steels
ATE18822T1 (en) * 1981-06-17 1986-04-15 Central Electr Generat Board PROCESSES FOR THE CHEMICAL DECOMPOSITION OF OXIDE DEPOSITS.
US4452643A (en) * 1983-01-12 1984-06-05 Halliburton Company Method of removing copper and copper oxide from a ferrous metal surface
US4587043A (en) * 1983-06-07 1986-05-06 Westinghouse Electric Corp. Decontamination of metal surfaces in nuclear power reactors
US4668303A (en) * 1983-08-04 1987-05-26 Exxon Research And Engineering Company Method of preventing stress corrosion in a bellows expansion joint
DE3413868A1 (en) * 1984-04-12 1985-10-17 Kraftwerk Union AG, 4330 Mülheim METHOD FOR CHEMICAL DECONTAMINATION OF METAL COMPONENTS OF CORE REACTOR PLANTS
US4654170A (en) * 1984-06-05 1987-03-31 Westinghouse Electric Corp. Hypohalite oxidation in decontaminating nuclear reactors
BE904139A (en) * 1986-01-30 1986-05-15 Lemmens Godfried PROCESS FOR THE DECONTAMINATION OF RADIOACTIVALLY CONTAMINATED MATERIALS.
GB8613522D0 (en) * 1986-06-04 1986-07-09 British Nuclear Fuels Plc Technetium decontamination
US5205999A (en) * 1991-09-18 1993-04-27 British Nuclear Fuels Plc Actinide dissolution
US5257296A (en) * 1991-10-25 1993-10-26 Buford Iii Albert C Steam generator chemical solvent mixing system and method
US5468303A (en) * 1994-02-25 1995-11-21 Zt Corporation Rust, corrosion, and scale remover
US5640703A (en) * 1994-04-18 1997-06-17 British Nuclear Fuels Plc Treatment of solid wastes
US5591270A (en) * 1995-07-31 1997-01-07 Corpex Technologies, Inc. Lead oxide removal method
US5678232A (en) * 1995-07-31 1997-10-14 Corpex Technologies, Inc. Lead decontamination method
US5814204A (en) * 1996-10-11 1998-09-29 Corpex Technologies, Inc. Electrolytic decontamination processes
CN100577893C (en) * 2005-12-23 2010-01-06 中国辐射防护研究院 Electrolytic decontaminating method for removing radioactive contaminant from metal surface
US20100072059A1 (en) * 2008-09-25 2010-03-25 Peters Michael J Electrolytic System and Method for Enhanced Radiological, Nuclear, and Industrial Decontamination
CA2760438C (en) * 2009-04-30 2019-01-08 World Resources Company Process for recovering metals and metal compounds from mined ore and other metal-bearing raw source materials

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB763547A (en) * 1953-11-10 1956-12-12 Atomic Energy Authority Uk Improvements in or relating to detergent compositions effective in removing radioactive contamination
US2793190A (en) * 1954-04-15 1957-05-21 Du Pont Corrosion-inhibition of oxalic acid
US2959555A (en) * 1956-09-28 1960-11-08 Dow Chemical Co Copper and iron containing scale removal from ferrous metal
US3013909A (en) * 1960-03-31 1961-12-19 Guyon P Pancer Method of chemical decontamination of stainless steel nuclear facilities

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0090512A1 (en) * 1982-03-22 1983-10-05 London Nuclear Limited Process for treatment of oxide films prior to chemical cleaning
GB2220005A (en) * 1988-06-28 1989-12-28 Borsodi Vegyi Komb Process for removing oxide layer and scale from metals and metal alloys
FR2699936A1 (en) * 1992-12-24 1994-07-01 Electricite De France Process for dissolving oxides deposited on a metal substrate
WO1994015001A2 (en) * 1992-12-24 1994-07-07 Electricite De France Method for dissolving oxides deposited on a metal substrate
WO1994015001A3 (en) * 1992-12-24 1994-10-13 Electricite De France Method for dissolving oxides deposited on a metal substrate

Also Published As

Publication number Publication date
DE1621670A1 (en) 1971-06-24
IL27663A (en) 1970-10-30
US3496017A (en) 1970-02-17
NO122687B (en) 1971-07-26
SE321130B (en) 1970-02-23
ES339132A1 (en) 1968-12-01
CH468697A (en) 1969-02-15
BE696994A (en) 1967-09-18

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