A FIELD-STUDY OF DIFFUSION CONTROLLED MIGRATION OF COPPER, ZINC AND CADMIUM IN A CLAY FORMATION

被引：2
|
作者：
ALLARD, B
HAKANSSON, K
KARLSSON, S
SIGAS, E
机构：
[1] Department of Water and Environmental Studies, Linköping University, Linköping
来源：
WATER AIR AND SOIL POLLUTION | 1991年 / 57-8卷
关键词：
D O I：
10.1007/BF00282889
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The distribution of Cu, Zn and Cd within an illitic clay formation located beneath a ca 150 yr old deposit of sulfidic mine tailings was studied. Total concentrations of metals have been quantified as a function of depth. The distribution between the pore water and the solid phase has been measured. Qualitative information was obtained by an operational leaching procedure. Field measurements were validated with batch adsorption experiments. The results suggest that transport of metals originating from the tailings is diffusion controlled. Apparent diffusivities as well as distribution coefficients were estimated.
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页码：259 / 268
页数：10
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