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The analysis of the ecological and geochemical characteristics of waste from the extraction and processing of potash salts, which determine the ecological state of the areas of development of these deposits, is carried out. Objects are salt dumps, sludge storages, drainage waters formed on the territory of the Verkhnekamskoye potassium-magnesium salt deposit. Under research of chemical composition of waste and the drainage waters of the sludge storage it was determine that high concentrations of mobile forms of chemical elements in drainage sodium chloride waters of waste storage facilities, an increase in the concentration of nitrogen compounds in filtration waters have been established. The active role of salt solutions in the leaching of clay minerals of salt dumps and sludge dumps, clay protective screens is determined, which leads to active filtration of salt solutions through the bed of the sludge dump, salt dump, migration of microelements in a readily soluble form into the environment.
Elena Khayrulina (Wed,) studied this question.
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