METHOD FOR PRODUCING MAGNESIUM OXIDE active form from magnesium chloride crystal hydrates (crystalline hydrates BISHOFIT)

摘要

1. method u043fu043eu043bu0443u0447u0435u043du0438u00a0 oxide u043cu0430u0433u043du0438u00a0 of u043au0440u0438u0441u0442u0430u043bu043bu043eu0433u0438u0434u0440u0430u0442u043eu0432 u0431u0438u0448u043eu0444u0438u0442u0430 on 1, u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0, first aqueous solution of chloride u043cu0430u0433u043du0438u00a0 should be subjected to u0442u0449 u0430u0442u0435u043bu044cu043du043eu0439 clean distilled water of impurities (chlorides u043au0430u043bu0438u00a0, u043du0430u0442u0440u0438u00a0 and u043au0430u043bu044cu0446u0438u00a0), followed by a u0432u044bu043fu0430u0440u0438u0432u0430u043du0438u0435u043c to u043fu043eu043bu0443u0447u0435u043du0438u00a0 u0433u0435u043au0441u0430u0433u0438u0434u0440u0430u0442u0430 chloride u043cu0430u0433u043du0438u00a0.;2. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, so that the oxide u043cu0430u0433u043du0438u00a0 receive u0442u0435u0440u043cu043eu0433u0438u0434u0440u043eu043bu0438u0437u043eu043c u0433u0435u043au0441u0430u0433u0438u0434u0440u0430u0442u0430 chloride u043cu0430u0433u043du0438u00a0 (u0431u0438u0448u043eu0444u0438u0442u0430) at a temperature of 450u0441 in u0432u043eu0441u0445u043eu0434u00a0u0449u0435u043c stream of air, and u043du0436u0435u043au0442u0438u0440u0443u0435u043cu043eu0433u043e bottom reactor, pre heated to the temperature 500u0441.;3. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, so that the oxide u043cu0430u0433u043du0438u00a0 receive u0442u0435u0440u043cu043eu0433u0438u0434u0440u043eu043bu0438u0437u043eu043c u043au0440u0438u0441u0442u0430u043bu043bu043eu0433u0438u0434u0440u0430u0442u0430 u0431u0438u0448u043eu0444u0438u0442u0430 temperature 400u0441 in u0432u043eu0441u0445u043eu0434u00a0u0449u0435u043c enriched stream of air oxygen, u0438u043du0436u0435u043au0442u0438u0440u0443u0435u043cu043eu0433u043e down reactor and pre heated to the temperature 500u0441.;4. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, so that the oxide u043cu0430u0433u043du0438u00a0 receive u0442u0435u0440u043cu043eu0433u0438u0434u0440u043eu043bu0438u0437u043eu043c u043au0440u0438u0441u0442u0430u043bu043bu043eu0433u0438u0434u0440u0430u0442u0430 u0431u0438u0448u043eu0444u0438u0442u0430 temperature 350u0441 in u0432u043eu0441u0445u043eu0434u00a0u0449u0435u043c flow of pure oxygen, in u0436u0435u043au0442u0438u0440u0443u0435u043cu043eu0433u043e down reactor and pre heated to the temperature 500u0441.;5. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, so that the process of laundering impurities KCl, control valve and CaCl2 present in u043eu043au0441u0438u0434u0435 u043cu0430u0433u043du0438u00a0 after u0442u0435u0440u043cu043eu0433u0438u0434u0440u043eu043bu0438u0437u0430 raw u043au0440u0438u0441u0442u0430u043bu043bu043eu0433u0438u0434u0440u0430u0442u0430 u0431u0438u0448u043eu0444u0438 the u043fu0440u043eu0432u043eu0434u0438u0442u0441u00a0 distilled water with subsequent filtering of the u043cu0430u0433u043du0438u00a0 hydroxide, drying and roasters at a temperature not higher 600u0441 to u043fu043eu043bu0443u0447u0435u043du0438u00a0 u043cu0430u0433u043du0438u00a0 oxide active form.;6. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, so that the final product (active oxide u043cu0430u0433u043du0438u00a0) obtained after u0442u0435u0440u043cu043eu0433u0438u0434u0440u043eu043bu0438u0437u0430 purified from impurities u0431u0438u0448u043eu0444u0438u0442u0430 requires stages of u043cu044bu0432u043au0438, drying and u043fu0440u043eu043au0430u043bu043au0438 and ready u0434u043bu00a0 implementation as a product of high purity.