At present, metal gallium is a by-product of alumina production, and the micro-dispersed gallium is enriched and recovered from the seed mother liquor of alumina produced by Bayer process by resin adsorption method. The method is simple and has no sp

Cobalt is a shiny steel gray metal that is hard and brittle and ferromagnetic. It is an important raw material for the production of heat-resistant alloys, hard alloys, anti-corrosion alloys, magnetic alloys and various cobalt salts.  Using ion exch