About: Development of a Method for Regeneration of Spent Electrochemical Decontamination Solution on the Basis of Data on Speciation of Metal Ions in Solution

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About: Development of a Method for Regeneration of Spent Electrochemical Decontamination Solution on the Basis of Data on Speciation of Metal Ions in Solution Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Spent electrochemical decontamination solution is a water solution containing oxalic and citric acids, Cr(III), Ni(II), considerable amount of Fe(III), radionuclides 59Fe, 60Co, 54Mn and 110Ag. This work is aimed to determine the form of the components and to predict how their speciation can be changed in order to facilitate the regeneration of spent solution. Speciation studies were focused on the effect of complexants on the iron hydroxide precipitation and on the co-precipitation of radionuclides. Itwas concluded, the process could be advantageous, providing that pH-value during Fe(III) precipitation is high enough. Experiments with simulant and real solution confirmed foregoing conclusion. More than 80% of iron was removed and the activity reduced down to background values by adjusting pH higher than 10.5 while nearly all organics were left in the solution after the precipitation. Thus, the solution after the treatment can be used, repeatedly. Spent electrochemical decontamination solution is a water solution containing oxalic and citric acids, Cr(III), Ni(II), considerable amount of Fe(III), radionuclides 59Fe, 60Co, 54Mn and 110Ag. This work is aimed to determine the form of the components and to predict how their speciation can be changed in order to facilitate the regeneration of spent solution. Speciation studies were focused on the effect of complexants on the iron hydroxide precipitation and on the co-precipitation of radionuclides. Itwas concluded, the process could be advantageous, providing that pH-value during Fe(III) precipitation is high enough. Experiments with simulant and real solution confirmed foregoing conclusion. More than 80% of iron was removed and the activity reduced down to background values by adjusting pH higher than 10.5 while nearly all organics were left in the solution after the precipitation. Thus, the solution after the treatment can be used, repeatedly. (en)
Title	Development of a Method for Regeneration of Spent Electrochemical Decontamination Solution on the Basis of Data on Speciation of Metal Ions in Solution Development of a Method for Regeneration of Spent Electrochemical Decontamination Solution on the Basis of Data on Speciation of Metal Ions in Solution (en)
skos:prefLabel	Development of a Method for Regeneration of Spent Electrochemical Decontamination Solution on the Basis of Data on Speciation of Metal Ions in Solution Development of a Method for Regeneration of Spent Electrochemical Decontamination Solution on the Basis of Data on Speciation of Metal Ions in Solution (en)
skos:notation	RIV/68407700:21340/02:04080087!RIV/2003/MSM/213403/N
http://linked.open.../vavai/riv/strany	335;335
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM 210000020)
http://linked.open...vai/riv/dodaniDat	2003
http://linked.open...aciTvurceVysledku	John, Jan
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta jaderná a fyzikálně inženýrská
http://linked.open...dnocenehoVysledku	642846
http://linked.open...ai/riv/idVysledku	RIV/68407700:21340/02:04080087
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Not available (en)
http://linked.open.../riv/klicoveSlovo	Not available
http://linked.open...ontrolniKodProRIV	[BBF7F4A8E19D]
http://linked.open...v/mistoKonaniAkce	Mariánské lázně
http://linked.open...i/riv/mistoVydani	Praha
http://linked.open...i/riv/nazevZdroje	14th Radiochemical Conference
http://linked.open...in/vavai/riv/obor	DL
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...UplatneniVysledku	2002
http://linked.open...iv/tvurceVysledku	John, Jan
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2002-04-14 (xsd:date)
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20210000020
number of pages	1 (xsd:int)
http://purl.org/ne...btex#hasPublisher	České vysoké učení technické v Praze
https://schema.org/isbn	80-01-02530-6
http://localhost/t...ganizacniJednotka	21340

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