Method for decontaminating solid iodine filters

The invention relates to a process for decontaminating solid iodine filters containing silver iodide, silver iodate and/or physisorbed molecular iodine.This process consists in placing the filter in contact with an aqueous solution of a reducing agent chosen from hydroxylamine, hydroxylamine salts,...

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Hauptverfasser:	Devisme, Frederic, Donnarel, Jean-Pierre, Vaudano, Aime
Format:	Patent
Sprache:	eng
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creator	Devisme, Frederic Donnarel, Jean-Pierre Vaudano, Aime
description	The invention relates to a process for decontaminating solid iodine filters containing silver iodide, silver iodate and/or physisorbed molecular iodine.This process consists in placing the filter in contact with an aqueous solution of a reducing agent chosen from hydroxylamine, hydroxylamine salts, ascorbic acid, ascorbic acid salts, ascorbyl esters, sodium borohydride, sodium hypophosphite, formaldehyde, urea, formic acid and mixtures thereof, to extract the iodine from the filter and dissolve it in the aqueous solution.The dissolution of the silver, in the solution of reducing agent or in another suitable aqueous solution, may also be ensured, simultaneously or successively.
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Donnarel, Jean-Pierre ; Vaudano, Aime</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-uspatents_grants_071018223</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2006</creationdate><toplevel>online_resources</toplevel><creatorcontrib>Devisme, Frederic</creatorcontrib><creatorcontrib>Donnarel, Jean-Pierre</creatorcontrib><creatorcontrib>Vaudano, Aime</creatorcontrib><creatorcontrib>Commissariat A l'Energie Atomique</creatorcontrib><creatorcontrib>Compagnie Generale des Matieres Nucleaires</creatorcontrib><collection>USPTO Issued Patents</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Devisme, Frederic</au><au>Donnarel, Jean-Pierre</au><au>Vaudano, Aime</au><aucorp>Commissariat A l'Energie Atomique</aucorp><aucorp>Compagnie Generale des Matieres Nucleaires</aucorp><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method for decontaminating solid iodine filters</title><date>2006-09-05</date><risdate>2006</risdate><abstract>The invention relates to a process for decontaminating solid iodine filters containing silver iodide, silver iodate and/or physisorbed molecular iodine.This process consists in placing the filter in contact with an aqueous solution of a reducing agent chosen from hydroxylamine, hydroxylamine salts, ascorbic acid, ascorbic acid salts, ascorbyl esters, sodium borohydride, sodium hypophosphite, formaldehyde, urea, formic acid and mixtures thereof, to extract the iodine from the filter and dissolve it in the aqueous solution.The dissolution of the silver, in the solution of reducing agent or in another suitable aqueous solution, may also be ensured, simultaneously or successively.</abstract><oa>free_for_read</oa></addata></record>
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title	Method for decontaminating solid iodine filters
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