研究了羟基氯化铝和改性聚丙烯酰胺的制法，然后与一种天然物质复配，制成了一种复合水处理混凝剂。

Preparation of hydroxy-aluminum trichloride and modified polyacrylic amide was discussed. Together with a natural material, high-efficiency water treatment coagulant was made.

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所述组合物包含或生产 自在溶剂中的钛螯合物和羟基卤化铝。

The composition comprises, or is produced from, a titanium chelate and an aluminum hydroxyhalide, in a solvent.

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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。

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...

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