Diffusion In Pulverized Stone, A Potential Liner Material
Author(s)
G. Gjetvaj, P. Kvasnicka & Z. Veinovic
Abstract
Diffusion in pulverized stone, a potential liner
material
G. Gjetvaj*, P. Kvasnicka^ & Z. Veinovic^
* Faculty of Civil Engineering, University of Zagreb, Croatia,
^ Faculty of Mining, Geology and Petroleum Engineering, University of
Zagreb, Croatia.
Abstract
Construction of a waste disposal site requires an effective barrier that separates
waste from a sub-base and minimizes the migration of contaminants from the site
to an aquifer. Barrier layers most often used are natural clayey deposits or
compacted clay liners and PEHD geomembranes. However, some regions, the
Croatian karst for example, are mostly short of clay. For this reason, the use of
pulverized stone - the by-product in the building-stone industry - as potential
liner material was investigated. Considering diffusion is an important mechanism
of contaminant transport through barriers, this paper describes the method and
apparatus for determining diffusion coefficient of pulverized stone. Measured
diffusion values were relat
Keywords
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