METHOD FOR PROCESSING DUST waste generated during dehydration magnesium chloride raw materials

摘要

1.method for processing dust waste, u043eu0431u0440u0430u0437u0443u044eu0449u0438u0445u0441u00a0 in u043eu0431u0435u0437u0432u043eu0436u0438u0432u0430u043du0438u0438 u0445u043bu043eu0440u043cu0430u0433u043du0438u0435u0432u043eu0433u043e u0441u044bu0440u044cu00a0, comprising an u043au0430u0440u043du0430u043bu043bu0438u0442u0430 in furnace u043au0438u043fu00a0u0449u0435u0433u043e u0441u043bu043eu00a0, dehydration, u043bu0430u0432u043bu0438u0432u0430u043du0438u0435 dust in cyclone, cyclone dust removal and return of her on stage u043eu0431u0435u0437u0432u043eu0436u0438u0432u0430u043du0438u00a0, removing dust waste from pipelines, u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 because you that the waste after u0438u0437u0432u043bu0435u0447u0435u043du0438u00a0 from pipelines eroded in reactor waterin the process of obtaining the suspension of u043du0430u0442u0440u0438u00a0 u0433u0438u0434u0440u043eu043au0430u0440u0431u043eu043du0430u0442u0430 u043cu0430u0433u043du0438u00a0, u0440u0430u0437u0434u0435u043bu00a0u044eu0442 slurry to solid carbonate u043cu0430u0433u043du0438u00a0 and leachate, u0433u0438u0434u0440u043eu043au0430u0440u0431 u043eu043du0430u0442 u043fu0440u043eu043au0430u043bu0438u0432u0430u044eu0442 obtaining product of u043cu0430u0433u043du0438u00a0 and leachate are heated to a u043eu0431u0440u0430u0437u043eu0432u0430u043du0438u00a0 on u0445u043bu043eu0440u0438u0434u0430u043c u043au0430u043bu0438u00a0 and u043du0430u0442u0440u0438u00a0 solution, and drying u043au0440u0438u0441u0442u0430u043bu043bu0438u0437u0443u044eu0442 to obtain u043du0430u0442u0440u0438u00a0 chloride and chloride u043au0430u043bu0438u00a0.;2. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, so that, as the solution u043au0430u0440u0431u043eu043du0430u043du0430u0442u0430 u043du0430u0442u0440u0438u00a0 use baking soda.;3. method u043fu043eu043f.1, u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0, however, that the u043eu0441u0443u0449u0435u0441u0442u0432u043bu00a0u044eu0442 temperature 90u0441.;4. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, so that the u043cu0430u0433u043du0438u00a0 bicarbonate u0433u043eu0440u00a0u0447u0435u0439 wash water.;5. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, so that it u043cu0430u0433u043du0438u00a0 bicarbonate at a temperature to 800u0441.;6. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, so that separation of the suspension u043eu0441u0443u0449u0435u0441u0442u0432u043bu00a0u044eu0442 filtering with simultaneous washing of solid residue with water.;7. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, so that the solution of u043du0430u0442u0440u0438u00a0 before serving in the processing of waste heat to 90u0441.;8. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, so that, after u043fu0440u043eu0432u0435u0434u0435u043du0438u00a0 process u0444u043bu043eu043au0443u043bu00a0u043du0442u043eu043c solution process.