8Olper,Marco,Fracchia,et al.Process for producing electrolytic lead and element sulfur from galena:U.S,5039337[P].
9Liao M..X.,Deng T.L.Zinc and lead extraction from complex raw sulfides by sequential bioleaching and acidic brine leach[J].Minerals Engineering,2004,17:17 -22.
10Sinadinovic* D,Kamberovic Z,Sutic.A.Leaching kinetics of lead from lead (Ⅱ) sulphate in aqueous calcium chloride and magnesium chloride[J].Hydrometallurgy,1997,47:137-147.