supported by the National Natural Scientific Foundation of China(Grant Nos.21978300,U1462128,and 91334108);the State Key Development Program for Basic Research of China(973 Program,Grant No.2015CB251402).
Defluorination roasting of lepidolite ore in a fluidized bed reactor has been proposed for improving the extraction efficiency of lithium.In this paper,a vacuum was introduced to the fluidized bed reactor,which signif...