PROCESS FOR RECOVERING CAINITE AND CARNALLITE FROM POLYMINERAL POTASSIUM ORE SOLUTIONS

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 technology integrated solutions to u0438u0441u043fu043eu043bu044cu0437u043eu0432u0430u043du0438u00a0 processing u043fu043eu043bu0438u043cu0438u043du0435u0440u0430u043bu044cu043du044bu0445 potash ores. the way to increase the output and purity of product while simplifying the process by u043fu0440u0435u0434u043eu0442u0432u0440u0430u0449u0435u043du0438u00a0 u043eu0431u0440u0430u0437u043eu0432u0430u043du0438u00a0 gypsum.a lead u0443u043fu0430u0440u0438u0432u0430u043du0438u0435u043c initial solutions of chloride u043du0430u0442u0440u0438u00a0, introduction to the u043au0430u0440u043du0430u043bu043bu0438u0442u043eu0432u043eu0433u043e leachate solution, u0443u043fu0430u0440u0438u0432u0430u043du0438u0435u043c of s u0438u043bu044cu0442u0440u0430u0442u0430 of u043au0430u0438u043du0438u0442u0430, introduction to the u043au0430u0438u043du0438u0442u043eu0432u044bu0439 solution of chloride u043au0430u043bu0438u00a0 and u0443u043fu0430u0440u0438u0432u0430u043du0438u0435u043c last until the concentration of sulphate ions in solution of 3.5 - 40%, followed by cooling and the allocation of u043au0430u0440u043du0430u043bu043bu0438u0442u043eu0432u043eu0433u043e u043au0430u0440u043du0430u043bu043bu0438u0442u0430 solution. the degree of u0438u0437u0432u043bu0435u0447u0435u043du0438u00a0 sulphate ions in kainite 96,2 - 98.5% and u043cu0430u0433u043du0438u00a0 in carnallite and kainite 97.2 97.4%, the purity u043au0430u0438u043du0438u0442u0430 u043fu043eu0432u044bu0448u0430u0435u0442u0441u00a0 to 78.9 is 83.3%. 1, table 2). a and