Recovery efficiencies of Ge, In, Ag, Pb and Zn in the process are 81.9 % , 85 % , 96 % , 98 % and 80 % respectively.

• 碱熔法处理真空炉渣的工艺流程；锗、铟、银、铅、锌的直收率高；分别为81.；9%25、85%25、96%25、98%25、80%25。