method of processing u043eu043au0438u0441u043bu0435u043du043du043eu0439 u043du0438u043au0435u043bu044cu043au043eu0431u0430u043bu044cu0442u043eu0432u043eu0439 ore (options)

摘要

the group of inventions relates to methods of extraction of nickel and cobalt from the oxidized nickel and cobalt ores and to improve the degree of extraction of nickel.method of processing u043eu043au0438u0441u043bu0435u043du043du043eu0439 u043du0438u043au0435u043bu044cu043au043eu0431u0430u043bu044cu0442u043eu0432u043eu0439 ore on the first version includes the processing of ore in sulfuric acid with the transfer of soluble sulphate solution.with u0433u0440u0430u043du0443u043bu0438u0440u0443u044eu0442 ore with sulphuric acid, u0441u0443u043bu044cu0444u0430u0442u0438u0437u0438u0440u0443u044eu0442 granules at a temperature of 250 450u00b0u0441 within 1 to 2 h in one or two stages.after leaching of nickel and other metals by sulphate with water, and then remove the metals from the solution of the well-known methods.in the method of processing the ore on the second version of u0433u0440u0430u043du0443u043bu0438u0440u0443u044eu0442 ore with sulphuric acid in the u0441u0442u0435u0445u0438u043eu043cu0435u0442u0440u0438u0447u0435u0441u043au0438 necessary quantity are u043fu0440u043eu043au0430u043bu0438u0432u0430u044eu0442 in t u0435u043cu043fu0435u0440u0430u0442u0443u0440u0435 650 - 700u00b0u0441 within 2.5 - 30 h, followed by leaching with water.in the method of processing the ore on the third version u0433u0440u0430u043du0443u043bu0438u0440u0443u044eu0442 ore with sulphuric acid, u043fu0440u043eu043au0430u043bu0438u0432u0430u044eu0442 granules in the atmosphere of gasesthe oxidation of elemental sulphur or sulphides obtained with oxygen, then the gases together with the u0432u044bu0434u0435u043bu044fu044eu0449u0438u043cu0438u0441u044f with sulphur oxides u043fu0440u043eu043au0430u043bu043au0435 granules are n and the production of sulphuric acida granule on the leaching water.