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Regularities of molybdate acid leaching process in sodium carbonate solutions depending on temperature and concentration of reagents are identified. Also current intensity influence on electromembrane process parameters and influence of mass transfer of molybdenum ions on electrolysis of sodium molybdate solutions are revealed.

Conducted research of processes of dry an d wet mechanoactivation of wolframite concentrate and structural modifications were determined. With a purpose of maximum transference of tungsten from obtained after-sintering mixtures into solution, investigation wa s conducted, conditions of hydro desalination were determined and technological regime of the process was developed.