Patent ID: 11891344
Assignee: CHTEM LIMITED
Field: Materials, metallurgy (Chemistry)
Classification: CPC C | IPC C

Claim 10:
11. The method for graded utilization of fluorine and silicon resources in a phosphate ore of claim 10, wherein a volume ratio of the extract phase for cationic extraction to the fluorine-containing solution is within a range of 0.5:1 to 6:1, and the extractant of a cationic extract phase is a mixture of one or more of organic phosphines, phospholipids, carboxylic acids, and sulfonic acid organic solvents; a volume ratio of the extract phase for anionic extraction to the fluorine-containing solution is within a range of 0.5:1 to 6:1, and the extractant of a anionic extract phase is an organic amine extractant.