Chemical procedure to obtain copper, nickel and pure cobalt from minerals, scraps or alloys that contain them (Machine-translation by Google Translate, not legally binding)

摘要

Chemical procedure to obtain pure copper, nickel and cobalt from minerals, scrap or alloys containing them, characterized because, after sulfating or oxidant roasting of minerals, or their concentrates obtained by flotation or other procedure and their leaching from sulfates, they are treated these with ammonia for the precipitation of the metal to the state of hydroxides and the issue of ammonia dose for the redissolution of these. (Machine-translation by Google Translate, not legally binding)