Investigations on autoclave oxidizing leaching the flotation concentrate for selective extraction of nonferrous metals in the solution, on oxidizing calcination of non-soluble leaching remainder and cinder hydrochlorination for transition the platinum metals in the solution and their consequent extraction out of the solution via ionic exchange are executed in order to develop hydrometallurgical processing technology for low-sulfide flotation concentrates of nonferrous and platinum metals. The effect of different technological parameters on all these processes is determined and the optimal conditions are defined.
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