Guizhou phosphorus enrichment and separation of rare earths to achieve significant results

Recently, the Provincial Science and Technology Department experts on the "low-grade phosphate rock containing rare earth enrichment and separation of industrial test" project scientific and technological achievements, the experts agreed that the successful implementation of research results in low grade phosphate rock and its associated rare earth mine enrichment and separation, a major breakthrough, reached the international advanced level.

The industrial test is in the "Eleventh Five-Year" National Science and Technology Support Program Project research results, based on the Energy and Mines Group from southwest Guizhou Jinlin Chemical Co., Ltd. invested with the Beijing General Research Institute of Mining and Metallurgy, Guizhou University jointly conduct a joint key technologies, collaborative innovation. After a one-year project research team of hard work, has made important innovations in four areas: First, develop new pharmaceutical beneficiation, the successful implementation of low-grade phosphate enrichment technology; Second, for the first time developed a rare-earth without additives and phosphorus, calcium effectively separated the key new technologies; Third, through the use of leach solution regeneration loop, developed to achieve comprehensive recovery of rare earth phosphate production and the key new technologies; Fourth, research and development of rare earth phosphate concentrate selective enrichment associated critical separation new technology.

The research results to solve the long-term constraints woven gold regions of low grade phosphate rock and associated technologies developed rare earth mineral resources bottleneck problem in the region and associated rare earth phosphate mineral resources development provides a strong key technical support, to promote China fine phosphorus chemical industry has an important role; also opened up new avenues of rare earth resources for China and the world rare earth containing the same type of comprehensive development and utilization of phosphate rock provides an exemplary role model.


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