Olha Medvedieva, Yevhen Lapshyn, Natalia Koval, Abdikarim Zeynullin, Olena Gupalo. The resource-saving technology to restore the accumulation ability of tailing ponds

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Parent Category: Geo-Technical Mechanics, 2020

Category: Geo-Technical Mechanics, 2020, Issue 155

Geoteh. meh. 2020, 155, 3-14

https://doi.org/10.1051/e3sconf/202016800054

 

THE RESOURCE-SAVING TECHNOLOGY TO RESTORE THE ACCUMULATION ABILITY OF TAILING PONDS

¹Olha Medvedieva, ¹YevhenLapshyn,¹Natalia Koval, ²Abdikarim Zeynullin, ^1,3OlenaGupalo

¹Institute of Geotechnical Mechanics named by N. Poljakov of National Academy of Sciences of Ukraine, ²Kazakhstan National Academy of Natural Science,³National Metallurgical Academy of Ukraine

Language: English

Abstract. The accumulating capacity of tailing ponds by technology infusion of pulp preliminary clarification in the alluvium charts with its subsequent thickening and storage in the form of a highly concentrated pulp at the bottom of the pond is proposed by authors in the work. For the first time, the time dependence of filling a temporary pond on the ratio of the initial and condensed slurry concentrations for such technologies is obtained. The formula for calculating the degree of condensation is proposed. It provides the parameters selection and justification of equipment for removing water from a temporary pond as the map is filled with the accumulating capacity restoration of tailing ponds. The calculation results for the proposed dependencies allow us to establish: the necessary values of the thickening degree of the hydromixture, the possible intervals of the change in the pulp flow before and after thickening, as well as the volume of water taken from the temporary pond, depending on the concentration of the slurry entering the pond from the alluvium maps, its volumetric flow rate , geometric parameters of the technology for waste storage and the operation duration of a temporary pond.

 

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