El medio ambiente en la minería

~,'.CEl ME"DIO AMBIENTE EN LA MINERIA 136 Table6. Typical Sulphur Balance al Toyo Smelter Item Distribution Rate % Sulphuric Acid 95.8 Gypsum 2.6 Slag 1.3 Water Treatment 0.2 EmJsslon 0.1 Total 100.0 ,:,' Cold Dope Chofge Id the Converter During Blowing Flux and cold dopes such ~ dust, recycled materials, purchased copper scraps and anode scraps can be charged to the converter even during blowing. It certainly improves the stack time ratio, relief of over·head crane operation, easier heat balance control and a restrain on fugitive gas generation. r---l 1 I ~ ~'SELT CONIJEVOR • I • I Fl.UX AH1> I OTHER HATERIA~ Lt__ S:tJ;~, . ~ ____ COPPER SCR~PE CHAROIHa Figure 7. Cold dope cbarging systém.