Formation of Acidic Effluents From Dumps of the Kizel Coal Basin (Perm Territory)

Abstract

Разработка угольных шахт обычно связана с целым рядом экологических проблем, одна из них-накопление значительного количество пустой породы на прилегающих к шахтам территориям. В статье приводится характеристика отвалов, расположенных на территории Кизеловского угольного бассейна, описан процесс их негативного влияния на окружающую среду, а также результаты ДЗЗ по космоснимкам со спутников Santinel-2 и анализы образцов отвалов с применением оптического, рентгеноструктурного, термического, электронно-микроскопического методов.

Efficiency of acid sulphate soils reclamation in coal mining areas

“…High acidity is characteristic of the technogenic layer, which is represented by crushed matter of overburden dump rocks. Oxidation of sulphide minerals and acidification of the substrate occur due to the presence of pyrite in the mineral composition of rocks [4,25]. The buried soddy-podzolic soil is characterized by an acid reaction, the acidity of the horizons corresponds to the acidity of the corresponding horizons in the background soil.…”

“…It should be noted that there is no intensive technogenic migration of elements down the soil profile. Pollutants, mainly Li, B, Be, Fe, V, are concentrated in the surface layers of soils in the area of acid mine water discharge and actively migrate with planar runoff in the form of suspended particles, together with dump minerals, into accumulative landscapes, fall into rivers, concentrate in bottom sediments, and migrate with water flows over long distances, as evidenced by the data in [4,10,38].…”