About: Sorption of technetium and rhenium on natural sorbents under aerobic conditions     Goto   Sponge   NotDistinct   Permalink

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Description
  • Sorpce technecistanu byla sledována z hlediska dlouhodobých radionuklidů obsažených ve vyhořelém jaderném palivu. Obecně je známo, že bentonity vykazují vynikající sorpční schopnosti pro kationty a na druhou stranu záchyt aniontů je minimální. Cílem předkládané prace bylo nalézt vhodné podmínky pro záchyt aniontů za oxidačních podmínek. Byl sledován vliv různých aditiv např. aktivní uhlí, Fe, Fe2+ pro záchyt technecistanu na bentonitu. Dále byla sledována kinetika sorpce, vliv poměru bentonit:modifikátor na hodnotu výtěžku sorpce a distribuční koeficienty KD. (cs)
  • The uptake of technetium on bentonite materials has been studied from the point view of the characterization of long-term radioactive elements behavior in nuclear waste repository. It is generally known that bentonite materials show an excellent cation-exchange capacity and on the other hand a poor uptake of anions. The aim of our research has been to fing out the conditions suitable for technetium sorption on selected bentonite under oxidizing conditions. The influence of the addition of different materials (e.g., activated carbon, graphite, Fe2+, Fe) with bentonite, the effect of solid aqueous phase ratio and a pH value on the percentage of technetium uptake and on the Kd values were tested.
  • The uptake of technetium on bentonite materials has been studied from the point view of the characterization of long-term radioactive elements behavior in nuclear waste repository. It is generally known that bentonite materials show an excellent cation-exchange capacity and on the other hand a poor uptake of anions. The aim of our research has been to fing out the conditions suitable for technetium sorption on selected bentonite under oxidizing conditions. The influence of the addition of different materials (e.g., activated carbon, graphite, Fe2+, Fe) with bentonite, the effect of solid aqueous phase ratio and a pH value on the percentage of technetium uptake and on the Kd values were tested. (en)
Title
  • Sorption of technetium and rhenium on natural sorbents under aerobic conditions
  • Sorption of technetium and rhenium on natural sorbents under aerobic conditions (en)
  • Sorpce technecia a rhenia na přírodních sorbentech za aerobních podmínek (cs)
skos:prefLabel
  • Sorption of technetium and rhenium on natural sorbents under aerobic conditions
  • Sorption of technetium and rhenium on natural sorbents under aerobic conditions (en)
  • Sorpce technecia a rhenia na přírodních sorbentech za aerobních podmínek (cs)
skos:notation
  • RIV/60461373:22340/04:00011271!RIV/2005/MSM/223405/N
http://linked.open.../vavai/riv/strany
  • 407-413
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM 223400008)
http://linked.open...iv/cisloPeriodika
  • 2
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 587070
http://linked.open...ai/riv/idVysledku
  • RIV/60461373:22340/04:00011271
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Bentonite;technetium;rhenium;sorption;aerobic conditions (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • HU - Maďarsko
http://linked.open...ontrolniKodProRIV
  • [DD044F2F8C74]
http://linked.open...i/riv/nazevZdroje
  • Journal of Radioanalytical and Nuclear Chemistry
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 261
http://linked.open...iv/tvurceVysledku
  • Křížová, Věra
  • Vinšová, Hana
  • Konířová, Radka
  • Koudelková, Michaela
http://linked.open...n/vavai/riv/zamer
issn
  • 0236-5731
number of pages
http://localhost/t...ganizacniJednotka
  • 22340
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