脱氟率（rate of defluorinate）指的是除氟过程中氟离子去除的量占原量的百分数。
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。
The mechanisms and some affect factors for chemical disposal defluorination of wet-process phosphoric acid were introduced.
含钙化合物能降低氟从蒙脱石中的逸出率。
Calcium compounds could decrease fluoride emission rate from montmorillonite.
国内饲料磷酸氢钙生产工艺的磷得率低，磷酸浓缩脱氟法的生产厂少。
The phosphor yield of domestic feed grade calcium monophosphate production processes is low, and there are a few production plants using the phosphoric acid concentration defluorination method.
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