an improved method of u043au0443u0447u043du043eu0433u043e leaching nickel oxide ores

摘要

method of extraction of nickel and cobalt from nickel by u043au0443u0447u043du043eu0433u043e u043eu043au0441u0438u0434u043du043eu0439 ore leachingincludes the stages of: (a) u043du0430u0441u044bu043fu0430u043du0438u044f u043eu043au0441u0438u0434u043du043eu0439 nickel ore in the form of one or more piles; (b) leaching the ore of u0432u044bu0449u0435u043bu0430u0447u0438u0432u0430u044eu0449u0438u043c solution at the stage of u0432u044bu0449u0435u043bu0430 u0447u0438u0432u0430u043du0438u044f,in this u0432u044bu0449u0435u043bu0430u0447u0438u0432u0430u044eu0449u0438u0439 solution consists of acid u0433u0438u043fu0435u0440u0441u043eu043bu0435u043du0443u044e water as u0432u044bu0449u0435u043bu0430u0447u0438u0432u0430u0442u0435u043bu044f,and u0433u0438u043fu0435u0440u0441u043eu043bu0435u043du0430u044f water has a total dissolved solids more than 30 g / l), and the extraction of nickel and cobalt from the obtained product u043au0443u0447u043du043eu0433u043e u0432u044bu0449u0435u043bu0430u0447u0438u0432u0430u043d whoa.