The new process for extracting indium-rich crude lead was completed by Zhongjin Lingnan South Shaoguan Smelter and Central South University. Experts believe that the project uses the indium-rich lead-silicofluoric acid system to enrich the indium and P204 to extract and extract indium. The process is closed circuit and is a clean production. The process has low production cost, large processing capacity, high indium straight recovery and high recovery, and can directly obtain cathode lead with higher main grade. Experts believe that the process successfully solves the defects of processing indium-enriched lead with traditional processes, and has reached the domestic leading level, with good economic benefits and application value. At the same time, experts suggest that impurities in the extraction process should be further strengthened to optimize process parameters.
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