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The article presents the results of an experimental study of the possibility of removing heavy metals from solutions filtered through the thickness of the tailings of the Dzhidinsky GOK. It was found that as a result of the hydrolysis reaction of these salts (mainly iron sulfate), an acidic environment is formed, metal hydroxides are formed and a sulfate ion accumulates in the solution, which increases the migration of heavy metals both inside the tailings pond and outside it. Limestone is proposed as a neutralizing reagent. Different ways of adding limestone to man-made sand are considered. The use of 0.5-1 mm limestone by adding it to man-made sand makes it possible to increase the pH of solutions to 5.3.under these conditions, the content of a number of elements in the solution was reduced.

buryat scientific center of sb ras press ebooks

INVESTIGATION OF THE POSSIBILITY OF REMOVING HEAVY METALS FROM SOLUTIONS FILTERED THROUGH THE THICKNESS OF THE TAILINGS OF THE DZHIDINSKY MINING AND PROCESSING PLANT