STUDY AND PRACTICAL APPLICATION OF HYDROMETALLURGICAL SCANDIUM RECOVERY DURING COMPLEX ORE PROCESSING

UDC 66.061.3:546.63

Authors:

Korovin V.Yu., Ph. D. (Chem.),

Shestak Yu.G., M.S (Tech.) (IGTM NAS of Ukraine),

Pogorelov Yu.N., M.S (Tech.) (DSTU State Higher Educational Institution)

Abstract.

The paper generalizes fundamental and applied study performed by the contributor team concerning scandium recovery by Levextrel-type materials named TVEX based on various organophosphorus compounds as well as by phosphorus-containing ion-exchange resins. The main milestones are shown in scientific and manufacturing cooperation on scandium recovery from uranium-containing mineral raw as well as from titanium-magnesium production wastes. The authors performed a complex research on the patterns of extraction of scandium solid extractants based on neutral organophosphorus compounds, environments. At the same time the difference was found in extraction of scandium by liquid and injected into the matrix TVEX extractants which explained the change in the composition of the extractable complexes caused by the influence of the polymer matrix TVEX. Equilibrium, kinetic and thermodynamic properties of scandium extraction hydrochloric, sulfuric and nitric acids, phosphorus-containing ion exchange resins were determined during the studies.

Keywords:

scandium, extraction, TVEX, sorption, phosphorus-containing resins

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About the authors:

Korovin Vadim Yurievich, Candidate of Chemical Sciences (Ph.D), Head of Laboratory of New Technologies for Raw and Industrial Waste Processing, Department of Elastomeric Component Mechanics in Mining Machines, M.S. Polyakov Institute of Geotechnical Mechanics under the National Academy of Science of Ukraine (IGTM, NASU), Dnepropetrovsk, Ukraine, Этот адрес электронной почты защищен от спам-ботов. У вас должен быть включен JavaScript для просмотра.

Shestak Yuriy Grigorievich, Master of Science, Senior Engineer in the Laboratory of New Technologies for Raw and Industrial Waste Processing, Department of Elastomeric Component Mechanics in Mining Machines, M.S. Polyakov Institute of Geotechnical Mechanics under the National Academy of Science of Ukraine (IGTM, NASU), Dnepropetrovsk, Ukraine, Этот адрес электронной почты защищен от спам-ботов. У вас должен быть включен JavaScript для просмотра.

Pogorelov Yuriy Nikolaevich, Master of Science, Senior Researcher at Sorbent Scientific and Pedagogic Center, Dneprodzerzhinsk State Technical University State Higher Education Institution (DGTU SHEI), Dneprodzerzhinsk, Ukraine, Этот адрес электронной почты защищен от спам-ботов. У вас должен быть включен JavaScript для просмотра.