ES2132203T3 - REDUCING DECONTAMINATING GEL FOR DECONTAMINATION OF SURFACES. - Google Patents

REDUCING DECONTAMINATING GEL FOR DECONTAMINATION OF SURFACES.

Info

Publication number
ES2132203T3
ES2132203T3 ES93402307T ES93402307T ES2132203T3 ES 2132203 T3 ES2132203 T3 ES 2132203T3 ES 93402307 T ES93402307 T ES 93402307T ES 93402307 T ES93402307 T ES 93402307T ES 2132203 T3 ES2132203 T3 ES 2132203T3
Authority
ES
Spain
Prior art keywords
decontamination
reducing
gel
mol
reducing decontaminating
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
ES93402307T
Other languages
Spanish (es)
Inventor
Jean-Paul Gauchon
Paul Fuentes
Jean-Pierre Cizel
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Application granted granted Critical
Publication of ES2132203T3 publication Critical patent/ES2132203T3/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

Abstract

LA INVENCION CONCIERNE A UN GEL DESCONTAMINANTE REDUCTOR Y SU UTILIZACION PARA LA DESCONTAMINACION DE SUPERFICIES. ESTE GEL REDUCTOR ESTA CONSTITUIDO POR UNA SOLUCION COLOIDAL DE PH AL MENOS IGUAL A 13 QUE COMPRENDE: A) DE 20 A 30% EN PESO DE UN AGENTE CONGELANTE TAL COMO LA ALUMINA; B) DE 0,1 A 14 MOL/L DE UNA BASE TAL COMO NAOH, Y C) DE 0,1 A 4,5 MOL/L DE UN AGENTE REDUCTOR QUE TIENE UN POTENCIAL DE OXIDOREDUCCION EO INFERIOR A NAS, NA2S2O4 O HIDRACINA. ESTE GEL REDUCTOR PUEDE SER UTILIZADO PARA LA DESCONTAMINACION DE SUPERFICIES METALICAS RECUBIERTAS POR CAPAS DE OXIDOS ADHERENTES.THE INVENTION CONCERNS A REDUCING DECONTAMINATING GEL AND ITS USE FOR THE DECONTAMINATION OF SURFACES. THIS REDUCING GEL IS CONSTITUTED BY A COLLOIDAL PH SOLUTION AT LEAST EQUAL TO 13, WHICH INCLUDES: A) 20 TO 30% BY WEIGHT OF A FREEZING AGENT SUCH AS ALUMINA; B) 0.1 TO 14 MOL / L OF A BASE SUCH AS NAOH, AND C) 0.1 TO 4.5 MOL / L OF A REDUCING AGENT THAT HAS A POTENTIAL OF OXIDOREDUCTION EO LESS THAN NAS, NA2S2O4 OR HYDRAZINE. THIS REDUCING GEL CAN BE USED FOR THE DECONTAMINATION OF METALLIC SURFACES COATED BY LAYERS OF ADHESIVE OXIDES.

ES93402307T 1992-09-23 1993-09-21 REDUCING DECONTAMINATING GEL FOR DECONTAMINATION OF SURFACES. Expired - Lifetime ES2132203T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9211317A FR2695839B1 (en) 1992-09-23 1992-09-23 Reducing decontaminating gel and its use for surface decontamination, in particular of nuclear installations.

Publications (1)

Publication Number Publication Date
ES2132203T3 true ES2132203T3 (en) 1999-08-16

Family

ID=9433783

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93402307T Expired - Lifetime ES2132203T3 (en) 1992-09-23 1993-09-21 REDUCING DECONTAMINATING GEL FOR DECONTAMINATION OF SURFACES.

Country Status (4)

Country Link
EP (1) EP0589781B1 (en)
DE (1) DE69324203T2 (en)
ES (1) ES2132203T3 (en)
FR (1) FR2695839B1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2746328B1 (en) * 1996-03-21 1998-05-29 Stmi Soc Tech Milieu Ionisant ORGANOMINERAL DECONTAMINATION GEL AND ITS USE FOR THE DECONTAMINATION OF SURFACES
FR2798603B1 (en) * 1999-09-20 2002-03-01 Tech En Milieu Ionisant Stmi S ORGANIC DECONTAMINATION GEL AND ITS USE FOR DECONTAMINATION OF SURFACES
US6852903B1 (en) * 2000-05-31 2005-02-08 The United States Of America As Represented By The Secretary Of The Army Decontamination of chemical warfare agents using a reactive sorbent
FR2827530B1 (en) 2001-07-17 2004-05-21 Commissariat Energie Atomique PROCESS FOR TREATING A SURFACE WITH A TREATMENT GEL, AND TREATMENT GEL
FR2891470B1 (en) * 2005-10-05 2007-11-23 Commissariat Energie Atomique ASPIRABLE GEL FOR DECONTAMINATION OF SURFACES AND USE
FR2962046B1 (en) * 2010-07-02 2012-08-17 Commissariat Energie Atomique BIOLOGICAL DECONTAMINATION GEL AND METHOD OF DECONTAMINATING SURFACES USING THE GEL.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3080262A (en) * 1959-04-07 1963-03-05 Purex Corp Process for removal of radioactive contaminants from surfaces
FR2641895A1 (en) * 1989-01-19 1990-07-20 Commissariat Energie Atomique METHOD FOR RADIOACTIVE DECONTAMINATION OF METAL SURFACE, PARTICULARLY PORTIONS OF PRIMARY CIRCUITS OF WATER-COOLED NUCLEAR REACTORS
FR2656949B1 (en) * 1990-01-09 1994-03-25 Commissariat A Energie Atomique DECONTAMINANT GEL AND ITS USE FOR RADIOACTIVE DECONTAMINATION OF SURFACES.
US5078894A (en) * 1990-04-30 1992-01-07 Arch Development Corporation Formulations for iron oxides dissolution

Also Published As

Publication number Publication date
EP0589781B1 (en) 1999-03-31
EP0589781A1 (en) 1994-03-30
FR2695839B1 (en) 1994-10-14
FR2695839A1 (en) 1994-03-25
DE69324203D1 (en) 1999-05-06
DE69324203T2 (en) 1999-09-30

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