ENVIRONMENTAL IMPACTS AT COAL WASTE DISPOSAL SITES - EFFICIENCY OF DESULFURIZATION TECHNOLOGIES

Abstract

During beneficiation of coal at the coal mining area of Tula, Russia, huge volumes of coal wastes with considerable residual pyrite content are produced. These wastes that are usually disposed of without specific care in the environment are active sources of coal mine drainage generation which severely contaminates soils, surface- and groundwater and endangers the ecosystems of the area. In