EP0160831A3 - Process for chemically decontaminating metallic parts of nuclear reactor plants - Google Patents

Process for chemically decontaminating metallic parts of nuclear reactor plants Download PDF

Info

Publication number
EP0160831A3
EP0160831A3 EP85103900A EP85103900A EP0160831A3 EP 0160831 A3 EP0160831 A3 EP 0160831A3 EP 85103900 A EP85103900 A EP 85103900A EP 85103900 A EP85103900 A EP 85103900A EP 0160831 A3 EP0160831 A3 EP 0160831A3
Authority
EP
European Patent Office
Prior art keywords
nuclear reactor
metallic parts
reactor plants
chemically decontaminating
decontaminating 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.)
Granted
Application number
EP85103900A
Other languages
German (de)
Other versions
EP0160831B1 (en
EP0160831A2 (en
Inventor
Horst-Otto Bertholdt
Hans Dipl.-Ing. Hirning
Rudolf Papesch
Hubert Dipl.-Ing. Stamm
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.)
Siemens AG
Original Assignee
Siemens AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6233426&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0160831(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP0160831A2 publication Critical patent/EP0160831A2/en
Publication of EP0160831A3 publication Critical patent/EP0160831A3/en
Application granted granted Critical
Publication of EP0160831B1 publication Critical patent/EP0160831B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Food Science & Technology (AREA)
  • Electrochemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
EP85103900A 1984-04-12 1985-04-01 Process for chemically decontaminating metallic parts of nuclear reactor plants Expired - Lifetime EP0160831B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843413868 DE3413868A1 (en) 1984-04-12 1984-04-12 METHOD FOR CHEMICAL DECONTAMINATION OF METAL COMPONENTS OF CORE REACTOR PLANTS
DE3413868 1984-04-12

Publications (3)

Publication Number Publication Date
EP0160831A2 EP0160831A2 (en) 1985-11-13
EP0160831A3 true EP0160831A3 (en) 1987-11-25
EP0160831B1 EP0160831B1 (en) 1991-12-04

Family

ID=6233426

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85103900A Expired - Lifetime EP0160831B1 (en) 1984-04-12 1985-04-01 Process for chemically decontaminating metallic parts of nuclear reactor plants

Country Status (8)

Country Link
US (1) US4756768A (en)
EP (1) EP0160831B1 (en)
JP (1) JPS60235099A (en)
BR (1) BR8501711A (en)
CA (1) CA1254113A (en)
DE (2) DE3413868A1 (en)
ES (1) ES8702726A1 (en)
FI (1) FI84118C (en)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH673545A5 (en) * 1987-10-02 1990-03-15 Industrieorientierte Forsch
EP0355477A1 (en) * 1988-08-12 1990-02-28 Siemens Aktiengesellschaft Process and device for decontaminating the primary system of a nuclear-power station
DE58906153D1 (en) * 1988-08-24 1993-12-16 Siemens Ag Process for the chemical decontamination of the surface of a metallic component of a nuclear reactor plant.
BE1002593A3 (en) * 1988-11-09 1991-04-02 Lemmens Godfried Method for decontamination of radioactively contaminated material
US5170840A (en) * 1992-06-15 1992-12-15 Grunwald James L Method for detecting breaches in heat exchanger tubing
DE4232246A1 (en) * 1992-09-25 1994-03-31 Siemens Ag Process for the destruction of an organic substance
DE19818772C2 (en) * 1998-04-27 2000-05-31 Siemens Ag Process for reducing the radioactivity of a metal part
US6635232B1 (en) 1999-05-13 2003-10-21 Kabushiki Kaisha Toshiba Method of chemically decontaminating components of radioactive material handling facility and system for carrying out the same
DE19851852A1 (en) * 1998-11-10 2000-05-11 Siemens Ag Process for the decontamination of a surface of a component
JP3977963B2 (en) 1999-09-09 2007-09-19 株式会社日立製作所 Chemical decontamination method
TW529041B (en) * 2000-12-21 2003-04-21 Toshiba Corp Chemical decontamination method and treatment method and apparatus of chemical decontamination solution
JP2003098294A (en) * 2001-09-27 2003-04-03 Hitachi Ltd Decontamination method using ozone and apparatus therefor
JP4131814B2 (en) * 2002-11-21 2008-08-13 株式会社東芝 Method and apparatus for chemical decontamination of activated parts
KR100724710B1 (en) * 2002-11-21 2007-06-04 가부시끼가이샤 도시바 System and method for chemical decontamination of radioactive material
CA2633626C (en) 2005-11-29 2010-05-04 Areva Np Gmbh Method for the decontamination of an oxide layer-containing surface of a component or a system of a nuclear facility
KR101063132B1 (en) * 2006-02-09 2011-09-07 가부시끼가이샤 도시바 Chemical decontamination apparatus and decontamination method therein
DE102007038947A1 (en) 2007-08-17 2009-02-26 Areva Np Gmbh Method of decontaminating surfaces of nuclear installations contaminated with alpha emitters
DE102008063941A1 (en) * 2008-12-19 2010-07-01 Forschungszentrum Jülich GmbH Method for reducing or at least partially removing specific radiotoxic agents from a nuclear installation
DE102009047524A1 (en) * 2009-12-04 2011-06-09 Areva Np Gmbh Process for surface decontamination
DE102010028457A1 (en) * 2010-04-30 2011-11-03 Areva Np Gmbh Process for surface decontamination
WO2013041595A1 (en) 2011-09-20 2013-03-28 Nis Ingenieurgesellschaft Mbh Method for decomposing an oxide layer
DE102013102331B3 (en) 2013-03-08 2014-07-03 Horst-Otto Bertholdt Process for breaking down an oxide layer
JP6249916B2 (en) * 2014-09-24 2017-12-20 三菱重工業株式会社 Permanganic acid preparation equipment
HUE047725T2 (en) 2015-02-05 2020-05-28 Framatome Gmbh Method of decontaminating metal surfaces in a cooling system of a nuclear reactor
DE102016104846B3 (en) * 2016-03-16 2017-08-24 Areva Gmbh A method of treating waste water from decontamination of a metal surface, waste water treatment apparatus and use of the waste water treatment apparatus
MX370759B (en) * 2017-01-19 2019-12-13 Framatome Gmbh Method for decontaminating metal surfaces of a nuclear facility.
KR102378652B1 (en) * 2017-02-14 2022-03-28 짐펠캄프 니스 인제니어게젤샤프트 엠베하 Decomposition method of oxide layer containing radionuclides
CN107101525A (en) * 2017-03-21 2017-08-29 华电电力科学研究院 A kind of method cleaned to power plant boiler superheater cyclic chemical
CN107170503B (en) * 2017-06-02 2019-04-02 苏州热工研究院有限公司 A kind of chemical cleaning method reducing in-service PWR nuclear power plant collective dose
CN107481772B (en) * 2017-08-22 2019-07-02 深圳中广核工程设计有限公司 The rinse-system of nuclear power station radioactivity concentrate discharge pipe and purging method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3496017A (en) * 1966-04-28 1970-02-17 Atomic Energy Commission Method and composition for decontamination of stainless steel surfaces
US3873362A (en) * 1973-05-29 1975-03-25 Halliburton Co Process for cleaning radioactively contaminated metal surfaces
US4226640A (en) * 1978-10-26 1980-10-07 Kraftwerk Union Aktiengesellschaft Method for the chemical decontamination of nuclear reactor components
EP0071336A1 (en) * 1981-06-17 1983-02-09 Central Electricity Generating Board Process for the chemical dissolution of oxide deposits

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3013909A (en) * 1960-03-31 1961-12-19 Guyon P Pancer Method of chemical decontamination of stainless steel nuclear facilities
US3615817A (en) * 1969-02-04 1971-10-26 Atomic Energy Commission Method of decontaminating radioactive metal surfaces
JPS5293900A (en) * 1976-02-02 1977-08-06 Hitachi Ltd Purififying method and device for nuclear reactor
GB2077482B (en) * 1980-06-06 1983-06-08 Us Energy Coolant system decontamination

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3496017A (en) * 1966-04-28 1970-02-17 Atomic Energy Commission Method and composition for decontamination of stainless steel surfaces
US3873362A (en) * 1973-05-29 1975-03-25 Halliburton Co Process for cleaning radioactively contaminated metal surfaces
US4226640A (en) * 1978-10-26 1980-10-07 Kraftwerk Union Aktiengesellschaft Method for the chemical decontamination of nuclear reactor components
EP0071336A1 (en) * 1981-06-17 1983-02-09 Central Electricity Generating Board Process for the chemical dissolution of oxide deposits

Also Published As

Publication number Publication date
EP0160831B1 (en) 1991-12-04
ES8702726A1 (en) 1986-12-16
JPH0310919B2 (en) 1991-02-14
FI84118B (en) 1991-06-28
DE3413868A1 (en) 1985-10-17
ES542157A0 (en) 1986-12-16
EP0160831A2 (en) 1985-11-13
FI84118C (en) 1991-10-10
FI850780A0 (en) 1985-02-26
FI850780L (en) 1985-10-13
DE3584790D1 (en) 1992-01-16
JPS60235099A (en) 1985-11-21
BR8501711A (en) 1985-12-10
CA1254113A (en) 1989-05-16
US4756768A (en) 1988-07-12

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