The reductive extraction method of bastnasite baked by sodium carbonate and low acidity HCI leaching for making rare earth chloride is reported.
氟碳铈矿纯碱焙烧低酸浸出，在还原条件下直接用盐酸浸出制取工业氯化稀土。
2
The technological conditions of preparing polishes from bastnasite such as pretreating with hydrochloride acid, roasting and quenching were studied.
以微山氟碳铈精矿为原料，研究了预处理、焙烧、淬火等工艺条件对制备稀土抛光粉性能的影响。
3
This paper established a new method for determination of total content of rare earths in bake ore by doing some tests based on national standard of determination of REO in bastnasite concentrate.