METHOD OF EXTRACTING TUNGSTEN AND MOLYBDENUM FROM SULFOR-CONTAINING SOLUTIONS

摘要

the invention u043au0430u0441u0430u0435u0442u0441u00a0 u0438u0437u0432u043bu0435u0447u0435u043du0438u00a0 tungsten and molybdenum from the solution containing u0441u0443u043bu044cu0444u0438u0434u043du0443u044e and u0441u0443u043bu044cu0444u0442u043du0443u044e sulfur ion u0444u043bu043eu0442u0430u0446u0438u0435u0439.u0446u0435u043bu044c u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - raising a great and u0438u0437u0432u043bu0435u0447u0435u043du0438u00a0 metals and improving sanitary conditions.in the original tungsten (u043cu043eu043bu0438u0431u0434u0435u043du0441u043eu0434u0435u0440u0436u0430u0449u0438u0439 solution) and lead to the acidification of u0432u0432u043eu0434u00a0u0442 hydrogen peroxide hydrogen peroxide in mass ratio of hydrogen peroxide to water treatment type and u0441u0443u043bu044cu0444u0438u0434u043du043eu0439 sulphur 0.2 - 1 and at ph 9 to 12. then the solution u043fu043eu0434u043au0438u0441u043bu00a0u044eu0442 mineral acid to ph 3 to 4 and u043du0430u043fu0440u0430u0432u043bu00a0u044eu0442 on u0438u043eu043du043du0443u044e u0444u043bu043eu0442u0430u0446u0438u044e, during which u0432u0432u043eu0434u00a0u0442 amin.ion flotation froth product obtained in u043eu0442u0434u0435u043bu00a0u044eu0442 from solution and u043du0430u043fu0440u0430u0432u043bu00a0u044eu0442 for processing. as a result, the degree of u0438u0437u0432u043bu0435u0447u0435u043du0438u00a0 tungsten and molybdenum u043fu043eu0432u044bu0448u0430u0435u0442u0441u00a0 to 95 to 98%, u0443u043bu0443u0447u0448u0430u044eu0442u0441u00a0 sanitary u0443u0441u043bu043eu0432u0438u00a0 labour by u043fu0440u0435u0434u043eu0442u0432u0440u0430u0449u0435u043du0438u00a0 u0432u044bu0434u0435u043bu0435u043du0438u00a0 hydrogen sulphide and cep u043du0438u0441u0442u043eu0433u043e strip and u0443u0441u0442u0440u0430u043du00a0u0435u0442u0441u00a0 u043bu0438u043fu043au043eu0441u0442u044c foamy product. 1, table 2).