THE WEATHERING EFFECT ON THE CHANGES OF SELECTED CHEMICAL AND MECHANICAL PARAMETERS OF THE EXTRACTIVE WASTE IN THE AERATION ZONE OF A MINE WASTE DUMP IN THE LUBLIN COAL BASIN
Journal Title: Biuletyn Państwowego Instytutu Geologicznego - Year 2012, Vol 450, Issue 450
Abstract
Long-lasting exposition of mine waste to atmospheric phenomena (weathering) causes physical disintegration of the rock structure and its chemical and physical changes. The present paper shows the results of multi-year investigations concerning the problem of changes in selected physical, chemical and mechanical parameters of mine waste deposited in a dumping ground located in the Lublin Coal Basin. Moreover, mine waste weathering has a significant effect on the migration rate of contaminants in the mine waste heap aeration zone. Research results of chemical and grain-size composition, and the values of filtration and mechanical parameters of the dumped multi-age layers of mine waste, are also described. The goal of the research was to determine the influence of long-standing mine waste deposition on water-ground environmental conditions, and to present the possibilities of further utilization of mine waste. The assessment of selected physical, chemical, mechanical and filtration parameters and their changes gives some information that may be applicable in practice.
Authors and Affiliations
Michał GWOŹDZIEWICZ
Keywords
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