ES2107798T3 - Procedimiento de disolucion de oxidos depositados sobre un sustrato metalico. - Google Patents

Procedimiento de disolucion de oxidos depositados sobre un sustrato metalico.

Info

Publication number
ES2107798T3
ES2107798T3 ES94902858T ES94902858T ES2107798T3 ES 2107798 T3 ES2107798 T3 ES 2107798T3 ES 94902858 T ES94902858 T ES 94902858T ES 94902858 T ES94902858 T ES 94902858T ES 2107798 T3 ES2107798 T3 ES 2107798T3
Authority
ES
Spain
Prior art keywords
metallic substrate
oxides deposited
attack
dissolution procedure
objective
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
ES94902858T
Other languages
English (en)
Inventor
Henri Spychala
Didier Noel
Jacques Gregoire
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.)
Electricite de France SA
Original Assignee
Electricite de France 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 Electricite de France SA filed Critical Electricite de France SA
Application granted granted Critical
Publication of ES2107798T3 publication Critical patent/ES2107798T3/es
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
    • 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
    • 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
    • C23G1/08—Iron or steel
    • C23G1/088—Iron or steel solutions containing organic acids
    • 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

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)
  • Food Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electrochemistry (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)
  • Chemical Treatment Of Metals (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

LA INVENCION SE REFIERE A UN PROCESO DE DISOLUCION DE OXIDOS DEPOSITADOS SOBRE UN SUSTRATO METALICO. EL OBJETIVO DE LA INVENCION ES DESCONTAMINAR SUSTRATOS CONTAMINADOS POR DEPOSICIONES DE MATERIAS RADIACTIVAS, SIN ATAQUE SIGNIFICATIVO DEL SUSTRATO. ESTE OBJETIVO SE ALCANZA MEDIANTE UN PROCESO QUE COMPRENDE AL MENOS UN CICLO QUE CONSISTE EN: A) EFECTUAR UN ATAQUE OXIDANTE MEDIANTE UNA SOLUCION QUE CONTIENE AL MENOS PERMANGANATO, A UNA TEMPERATURA COMPRENDIDA ENTRE 80 (GRADOS) C Y 85 (GRADOS) C, B) EFECTUAR UN ATAQUE REDUCTOR MEDIANTE UNA SOLUCION QUE COMPRENDE UN REDUCTOR Y ACIDO NITRICO, A UN PH INFERIOR A 2 Y A UNA TEMPERATURA COMPRENDIDA ENTRE 80 Y 85 (GRADOS) C.
ES94902858T 1992-12-24 1993-12-23 Procedimiento de disolucion de oxidos depositados sobre un sustrato metalico. Expired - Lifetime ES2107798T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9215722A FR2699936B1 (fr) 1992-12-24 1992-12-24 Procédé de dissolution d'oxydes déposés sur un substrat métallique.
CN94101670A CN1039037C (zh) 1992-12-24 1994-02-05 沉积在金属基体的氧化物的溶解方法

Publications (1)

Publication Number Publication Date
ES2107798T3 true ES2107798T3 (es) 1997-12-01

Family

ID=36950097

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94902858T Expired - Lifetime ES2107798T3 (es) 1992-12-24 1993-12-23 Procedimiento de disolucion de oxidos depositados sobre un sustrato metalico.

Country Status (6)

Country Link
EP (1) EP0675973B1 (es)
CN (1) CN1039037C (es)
DE (1) DE69312966T2 (es)
ES (1) ES2107798T3 (es)
FR (1) FR2699936B1 (es)
WO (1) WO1994015001A2 (es)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19818772C2 (de) * 1998-04-27 2000-05-31 Siemens Ag Verfahren zum Abbau der Radioaktivität eines Metallteiles
US6454870B1 (en) * 2001-11-26 2002-09-24 General Electric Co. Chemical removal of a chromium oxide coating from an article
FR2850673B1 (fr) * 2003-02-04 2006-09-08 Electricite De France Procede de dissolution d'oxydes deposes sur un substrat metallique stellite
KR100960783B1 (ko) 2005-11-29 2010-06-01 아레바 엔피 게엠베하 핵시설 부품 또는 시스템의 산화물 층을 포함하는 표면의정화 방법
US8192550B2 (en) 2008-02-01 2012-06-05 Ateco Services Ag Use of an aqueous neutral cleaning solution and method for removing rouging from stainless steel surfaces
EP2090676A1 (de) * 2008-02-01 2009-08-19 Ateco Services AG Verfahren zur Entfernung von Belägen und Ablagerungen
DE102009047524A1 (de) * 2009-12-04 2011-06-09 Areva Np Gmbh Verfahren zur Oberflächen-Dekontamination
WO2013041595A1 (de) 2011-09-20 2013-03-28 Nis Ingenieurgesellschaft Mbh Verfahren zum abbau einer oxidschicht
DE102012204415A1 (de) * 2012-03-20 2013-09-26 Areva Gmbh Verfahren zur Entfernung radioaktiver Verunreinigungen aus Abwässern
CN103007720A (zh) * 2012-11-16 2013-04-03 云南钛业股份有限公司 一种酸洗钛卷时减少酸雾中氮氧化物含量的方法
DE102013100933B3 (de) * 2013-01-30 2014-03-27 Areva Gmbh Verfahren zur Oberflächen-Dekontamination von Bauteilen des Kühlmittelkreislaufs eines Kernreaktors
DE102013102331B3 (de) * 2013-03-08 2014-07-03 Horst-Otto Bertholdt Verfahren zum Abbau einer Oxidschicht
HUE047725T2 (hu) * 2015-02-05 2020-05-28 Framatome Gmbh Eljárás fém felületek szennyezõdés-mentesítésére nukleáris reaktor hûtõrendszerében
US11443863B2 (en) * 2017-01-19 2022-09-13 Framatome Gmbh Method for decontaminating metal surfaces of a nuclear facility
EP3494579B1 (de) 2017-02-14 2020-08-26 Siempelkamp Nis Ingenieurgesellschaft MBH Verfahren zum abbau einer radionuklidhaltigen oxidschicht
CN107170503B (zh) * 2017-06-02 2019-04-02 苏州热工研究院有限公司 一种降低在役压水堆核电厂集体剂量的化学清洗方法
CN109207930A (zh) * 2018-08-31 2019-01-15 江苏鼎启科技有限公司 一种金属制品表面处理方法
DE102019135684A1 (de) * 2019-12-23 2021-06-24 Siempelkamp NIS Ingenieurgesellschaft mbH Verfahren und Anordnung zum Reinigen von Flüssigkeit
CN112700900A (zh) * 2020-12-10 2021-04-23 中国辐射防护研究院 一种注锌反应堆部件放射性沉积氧化物的清洗方法
CN113737191A (zh) * 2021-08-19 2021-12-03 中国辐射防护研究院 一种低碳马氏体镍铬不锈钢的去污方法
EP4269657B1 (en) * 2022-04-29 2025-06-04 Technochim SA Method for dissolving metal oxides from life sciences equipment
FR3143177B1 (fr) 2022-12-07 2024-12-13 Electricite De France Procédé de dissolution d’oxydes contenant une contamination en argent et cobalt sur un substrat métallique

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3000829A (en) * 1958-06-12 1961-09-19 Purex Corp Ltd Composition and process for descaling metal parts
US3025189A (en) * 1958-12-10 1962-03-13 Purex Corp Ltd Composition and process for removing heat scale from metal parts
US3080323A (en) * 1959-04-07 1963-03-05 Purex Corp Ltd Composition for radioactive decontamination and descaling of cobalt alloys
US3496017A (en) * 1966-04-28 1970-02-17 Atomic Energy Commission Method and composition for decontamination of stainless steel surfaces
DD108843A1 (es) * 1973-11-26 1974-10-05
EP0071336B1 (en) * 1981-06-17 1986-03-26 Central Electricity Generating Board Process for the chemical dissolution of oxide deposits
FR2590716B1 (fr) * 1985-11-26 1992-05-15 Electricite De France Procede de decontamination de parois de reacteurs nucleaires, en particulier des parois du circuit primaire des reacteurs nucleaires a circuit d'eau pressurisee
BE904139A (nl) * 1986-01-30 1986-05-15 Lemmens Godfried Werkwijze voor de decontaminatie van radioaktief besmette materialen.
FR2644618B1 (fr) * 1989-03-14 1994-03-25 Commissariat A Energie Atomique Procede de decontamination de surfaces metalliques, notamment de parties constitutives d'un reacteur nucleaire a eau sous pression, et solutions de decontamination utilisees dans ce procede
FR2648946B1 (fr) * 1989-06-27 1994-02-04 Electricite De France Procede de dissolution d'oxyde depose sur un substrat metallique et son application a la decontamination
US5078894A (en) * 1990-04-30 1992-01-07 Arch Development Corporation Formulations for iron oxides dissolution

Also Published As

Publication number Publication date
FR2699936B1 (fr) 1995-01-27
CN1106472A (zh) 1995-08-09
WO1994015001A2 (fr) 1994-07-07
EP0675973A1 (fr) 1995-10-11
CN1039037C (zh) 1998-07-08
WO1994015001A3 (fr) 1994-10-13
FR2699936A1 (fr) 1994-07-01
DE69312966T2 (de) 1998-02-19
DE69312966D1 (de) 1997-09-11
EP0675973B1 (fr) 1997-08-06

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