El medio ambiente en la minería

EL MEDIO AMBIENTE EN LA MINERIA 142 4. Arsenic Recovery Process , , The arsenic trioxide is made from the precipitate of the weak acid, and copper ,¡,.'. arsenate from both that precipitate and the decopperized slimes in the hydrometallurgical arsenic recovery process shown in Figure 14. These products are sold to the tnarkel Copper bearing residues which occur in this process are all recycled to the smelter. This arsenic recovery process has great merit from the view point of environmental protection and high arseruc concentrate treatment. !1ylfurl( Acld Eloctro-....Unttd 0..,_...1.1<1 SuIO•• Cqpprr n I, T tmp::;'M I r-l__ ~_---. • I _1" lrl""lde lis o ,""x ~_t .. ,c.. 17.'9X . ;.,. 13.2Y. Figure 14. Process flow sheet of.arsenie planta