火法炼铅有严重的污染问题,因此近年来湿法炼铅新工艺正引起人们的重视。从PbS-Cl-H_2O系E-pH图(图1)可见,通过线1、4,或3方铅矿能以Pb~(2+)和S°的形式稳定在水溶液内,即方铅矿直接湿法冶炼是完全可行的。目前一般采用两种方法使方铅矿氧化: 1.方铅矿是半导体,可以制成电极直 Lead pyrolysis lead to serious pollution problems, so wet lead smelting process in recent years is attracting people’s attention. It can be seen from the E-pH diagram of PbS-Cl-H 2 O system (Figure 1) that the galena can be stabilized in aqueous solution by Pb 2+ and S ° through line 1, 4, or 3 galena Direct smelting is entirely feasible. At present, two methods are generally used to oxidize galena: 1. Galena is a semiconductor that can be made into an electrode straight