采用了氢氟酸和硫酸、氢氟酸和硝酸的混合酸浸出法,对铅细晶矿进行了浸取分离.在最佳条件下,钽和铌的收率达到99％,同时并确保放射性核素留在不溶性残渣中.提出了采用氟酸-硫酸和氟酸-硝酸萃取分离钽与铌、铅和杂质的浸出方案,并生产高纯钽化合物.确定了辛醇-1作为萃取剂,反萃生产高纯钽的各阶段萃取-洗涤-反萃的最佳条件.生产出的钽化合物,如五氧化二钽和七氟戊二酸钾,杂质含量符合高纯物质的标准.“,”A plumbomicrolite concentrate (PMC) was leached with the mixture of HF and H2SO4, HF and HNO3 acids, respectively. Optimal conditions ensuring high recovery of tantalum and niobium (up to 99％) into solution, and radionuclides into insoluble residue were determined. Fluoride-sulfuric acid and fluoride-nitric acid schemes were proposed for PMC leaching by an extractive separation of tantalum form niobium, lead and impurities, and production of high-purity tantalum compounds. Octanol-1 was used as an extractant. Optimal conditions for production of high-purity tantalum strip solutions were defined for all stages (extraction-scrubbing-stripping). Produced tantalum compounds, such as tantalum pentoxide and potassium heptafluotanthalate, comply with the norms for high-purity substances in terms of impurities content. Final choice of the PMC processing scheme is determined by its profitability.