Environmental Science
8 years ago

New method extracts 93.55% zinc from dust, reduces lead pollution.

Process Study of Direct Leaching of Pb-Zn Bearing Dust with Sulfuric Acid
Sun Hong-ya

Paper Summary

Lead and zinc-containing dust was treated with sulfuric acid to extract the metals. By adjusting the acid concentration, liquid to solid ratio, time, and temperature, the researchers achieved a 93.55% zinc extraction rate and 92.01% lead removal rate.

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