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Yanfu has abundant phosphorite resources, and the associated iodine grade in phosphate rock is as high as 76 mg/kg. However, due to the complicated process and high cost of the processing, industrial production has not been realized. Yongfu Group exerted its advantages in resources and technology, invested more than RMB 30 million, and jointly researched and developed the iodine recovery technology for phosphate rock with Guizhou University. At the end of 2008, it built the first domestic iodine recovery device with an annual output of 50 tons and put it into operation. Its technical content has reached The world advanced level.
Rongfu also achieved results in the research on fluorine and silicon recycling of associated resources of phosphate rock. The 20,000 tons/year anhydrous hydrogen fluoride project that has been put into production is the world's first recovery fluorine resource device and explored a phosphate rock to recover associated resources fluorine. The new way.
On September 6th, from the Qinfu Group, the second set of phosphoric acid associated iodine resource recovery device of Yifu Group was in the process of setting up and debugging. The device is expected to be put into operation after the “11thâ€. The recovery of iodine will reach 100 tons and will become the country's largest iodine production base.