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Title: Influence of distribution coefficients on the transfer of radionuclides from water to geological formation [articol]
Authors: Bragea, Mihaela
Perju, Delia Maria
Brusturean, Gabriela-Alina
Cristache, C.
Pîrlea, Harieta Hermina
Brînzei, Gabriela-Magdalena
Subjects: Chimie anorganică -- Inginerie chimică -- Articol
Tailing dump
Distribution coefficients
Issue Date: 2008
Publisher: Timişoara : Editura Politehnica
Citation: Bragea, Mihaela. Influence of distribution coefficients on the transfer of radionuclides from water to geological formation. Timişoara: Editura Politehnica, 2008
Series/Report no.: Seria chimie şi ingineria mediului,;Tom 53(67), fasc. 1-2 (2008)
Abstract: The most likely process that can lead to the release of radionuclides from radioactive waste repository in a geological media is transport by groundwaters. Research in this field has lead to experimental determination of distribution coefficients. Influence of distribution coefficients was studied in detail for uranium and radium adsorbtion on clay. Therefore, with batch tests the influence of sorption and desorption coefficients in rock/groundwater systems of the Ciudanovita site was investigated. Results for corresponding studies with radium and uranium in clay-groundwater system are given which point to the possibility transfering laboratory batch data to field conditions by mathematical model. The present work is based mainly on this research direction: optimization and improvement of the performances obtained from the geo-chemical processes investigation methods in the waste dumps and the surrounding geological structures to isolate them, in order to reduce the negative environmental impact. Measurements of the two radionuclides concentrations in particles with different dimensions were made to supply accurate information regarding the selection of remediation strategies for the dumpsite in study.
URI: http://localhost:8080/xmlui/handle/123456789/1414
Appears in Collections:Articole stiintifice/Scientific articles

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