INCREASING THE EFFICIENCY OF MINERAL POWDER FROM TECHNOGENIC RAW MATERIALS DUE TO ITS HYDROPHOBIZATION Yadykina V.V., Gridchin A.M., Kuznetsova E.V., Lebedev M.S. https://doi.org/10.34031/2618-7183-2020-3-4-24-30 Download PDF 24-30 p. jadykina