The mechanisms and some affect factors for chemical disposal defluorination of wet-process phosphoric acid were introduced. 介绍了湿法磷酸化学法脱氟的脱氟机理和影响脱氟率的多种因素。
Using paraffin amine as dissolvent and kerosene as diluent for the purification and defluorination of wet process phosphoric acid by solvent extraction was studied. 为对湿法磷酸进行净化脱氟,用胺类溶剂作萃取剂,煤油作稀释剂,对湿法磷酸进行了溶剂萃取脱氟的工艺研究。