3-/N-(OXYETHYL)AMINOMETHYL/PIPERIDINE AS FROTHING AGENT IN FLOTATION OF LEAD-ZINC ORES

摘要

the invention u043au0430u0441u0430u0435u0442u0441u00a0 u0437u0430u043cu0435u0449u0435u043du043du044bu0445 u0433u0435u0442u0435u0440u043eu0446u0438u043au043bu0438u0447u0435u0441u043au0438u0445 substances, in particular 3 - [n - (2 - u043eu043au0441u0438u044du0442u0438u043b) u0430u043cu0438u043du043eu043cu0435u0442u0438u043b] u043fu0438u043fu0435u0440u0438u0434u0438u043du0430 - u0432u0441u043fu0435u043du0438u0432u0430u0442u0435u043bu00a0 u0434u043bu00a0 flotation lead zinc ores. the goal is to create a new u0432u0441u043fu0435u043du0438u0432u0430u0442u0435u043bu00a0, u043fu043eu0437u0432u043eu043bu00a0u044eu0449u0435u0433u043e increase u0438u0437u0432u043bu0435u0447u0435u043du0438u00a0 metals polymetallic ores.synthesis of u0432u0441u043fu0435u043du0438u0432u0430u0442u0435u043bu00a0 lead from n - (2 - u043eu043au0441u0438u044du0442u0438u043b) - 1 - (3 - u043fu0438u0440u0438u0434u0438u043b - u043cu0435u0442u0430u043du0438u043bu0438u043du0430 environment in methanol in the presence of u043du0438u043au0435u043bu00a0 u0440u0435u043du0435u00a0 in 150u0441 and the initial pressure of hydrogen to 80 atm. within 6 hours. exit 81%, u0442.u043au0438u043f.163 - 166u0441 / 6 mm u0440u0442.u0441u0442., gross s la C8H18N2O.u0438u0441u043fu044bu0442u0430u043du0438u00a0 indicate that u0440u0430u0441u0445u043eu0434u0435 new u0432u0441u043fu0435u043du0438u0432u0430u0442u0435u043bu00a0 100 g / t is the extraction of lead and zinc concentrates u0441u043eu0441u0442u0430u0432u043bu00a0u0435u0442 193,68%, in comparison with known, above at 15.10 and 11.6%. table 4.