含稀土磷块岩稀土浸出探索性试验

Test of leaching rare-earth elements from phosphate rock containing rare-earth elements

比较离子型浸出剂浸出稀土元素的探索性试验和用盐酸作浸出剂浸出稀土元素的探索性试验,发现后者可得到稀土氧化物品位达10%,回收率达89%的较好指标。

Comparing the tests of using ionic leaching agent to leach rare-earth with the tests of using hydrochloric acid as leaching agent to leach rare-earth, it was found that good indexes with rareearth oxides grade 10 % and recovery 89% could be achieved by the latter method.