| 简介 |
The method of the invention comprises an acid attack in liquid medium solid containing a halophosphate and at least one of a rare earth compound; adding a base medium obtained previously and separating a solid phase from a liquid phase; mixing and calcining the solid obtained previously with sodium hydrogencarbonate; the redispersion in water of the calcined product, separating the solid product of the suspension obtained in the previous step; the dispersion in water of this solid and the acidification of the dispersion and the separation of the solid dispersion. |
客服热线：
手机版
二维码
