Western Mining(SH:601168) Ke Ji Ri Bao·2025-11-08 10:37Core Insights - The company has successfully developed a new type of lead-silver collector and zinc inhibitor, significantly improving the recovery efficiency of precious metals from lead concentrates, providing a replicable technical model for the efficient development of similar complex polymetallic mines in China [1][4][5] Group 1: Project Overview - The project, part of Qinghai Province's key research and transformation plan, aims to address the challenges of lead-zinc ore mining, which has become increasingly difficult due to the depletion of resources and the complexity of ore composition [4] - The project team developed a new lead-silver collector (A11) that enhances the selective recovery of lead, gold, and silver minerals, and a zinc inhibitor (T18) that effectively suppresses the flotation behavior of zinc minerals [4][5] Group 2: Results and Impact - The application of the new technologies at the Xitieshan branch of Western Mining Co. resulted in an increase in processing capacity from 1.32 million tons per year to 1.5 million tons per year [4] - The recovery rates for lead and zinc reached 92.76% and 95.66%, respectively, while the recovery rates for gold and silver improved by 4.65% and 2.73%, leading to an additional annual output value of 19 million yuan [4]