Record details

Title
    Study of sorption and diffusion processes in natural bentonites
Statement of responsibility
    Petr Jurček, V. Jedináková-Křížová, P. Ivanová, Carballal Aguete
Author
    Carballal Aguete, E.
    Ivanová, P.
    Jedináková-Křížová, V.
    Jurček, Petr
Language
    anglicky
Source title - serial
    Acta Universitatis Carolinae. Geologica
Vol./nr.
    Vol. 43, no. 1
Pages
    p. 581-585
Year
    1999
Notes
    7 obr., 2 tab., 10 bibl.
    Zkr. název ser.: Acta Univ. Carol., Geol.
Subject group
    difuze
    izotopy Cs
    izotopy radioaktivní
    izotopy Sr
    ložisko bentonitu
    sorpce
    vlastnosti fyzikální
Geographical name
    ČR-Čechy
    Hroznětín (Karlovy Vary)
    Rokle (Chomutov)
    Stránce (Most)
Keyword
    Bentonites
    Diffusion
    Natural
    Processes
    Sorption
    Study
Abstract (in english)
   The distribution coefficients (Kd) have been determined for 134Cs and 85Sr by the batch method. Various factore affecting the Kd value as water-to-bentonite ratio and composition of the aqueous phase have been evaluated and will be discussed. Effective (De) and apparent (Da) diffusion coefficient for 85Sr in the compacted bentonite have been determined using the through-diffusion method. Dry bulk density and porosity of the dry bentonite and the water content in the saturated bentonite have been measured as well. Distribution coefficients calculated from the diffusion data using the dry bulk density and porosity values for given conditions have been compared with those determined by the batch method. This comparison will be discussed
Contributor
    Česká geologická služba
Contributor code
    ČGS (UNM)
Source format
    U
Entered date
    21. 3. 2008
Import date
    8. 8. 2012