METHOD decoppering NICKEL OR NICKEL-COBALT Feinstein

摘要

1.method u043eu0431u0435u0437u043cu0435u0436u0438u0432u0430u043du0438u00a0 nickel or nickel u043au043eu0431u0430u043bu044cu0442u043eu0432u043eu0433u043e feinstein feinstein, including primary baking, baking u0441u0443u043bu044cu0444u0430u0442u043du043e - u0445u043bu043eu0440u0438u0440u0443u044eu0449u0438u0439 received in the u043eu0433u0430u0440u043au0430 u0441u0443u0442u0441u0442u0432u0438u0438 u0445u043bu043eu0440u0438u0440u0443u044eu0449u0435u0433u043e reagent and oxygen leaching u0432u043eu0434u043du043eu0440u0430u0441u0442u0432u043eu0440u0438u043cu044bu0445 compounds in solution of sulphuric acid, u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0, primary baking u0444u0430u0439u043du0448u0442u0435u0439 to lead to the residual mass of sulfur is not more than 0.3%.in the reactor u0434u043bu00a0 u0445u043bu043eu0440u0438u0440u043eu0432u0430u043du0438u00a0 u043eu0433u0430u0440u043au0430 u0432u0432u043eu0434u00a0u0442 elemental sulfur.;2. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, so that the elemental sulfur u0432u0432u043eu0434u00a0u0442 of from 50 to 100% by weight of copper in the u043eu0433u0430u0440u043au0435.