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.

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。

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Hydroxyapatite method has advantage over the methods such as actived alumina, bone char and electrodialysis commonly used in defluorination of drinking water. It is for this re...

羟基磷灰石的降氟方法优于目前较普及的活性氧化铝、骨碳和电渗析除氟法。

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