PROCESS FOR PRODUCING PHOSPHATE OF LANTHANOID, AND PHOSPHATE

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PROBLEM TO BE SOLVED : To realize relatively high speed conversion and to attain high efficiency. SOLUTION : A process for producing a phosphate of a lanthanoid is based on precipitation by simultaneous injection of two solutions, starting from a tank (1) of a SE (rare earth) nitrate and a tank (2) of a phosphate. The both solutions are mixed in a receiving vessel (4).