羟基磷灰石-聚乙烯醇复合剂处理含氟废水的研究
Journal of Kunming Medical University（2013）
Abstract
目的研究羟基磷灰石-聚乙烯醇复合剂降氟容量及影响因素.方法采用熔融共混法制备复合剂;用氟离子选择电极法测试降氟容量.结果 9%的羟基磷灰石-聚乙烯醇复合剂降氟容量为5.35 mg/g;pH=2～8时复合剂的降氟容量在4.5～5.4 mg/g间;浸泡60 min降氟容量达5.4 mg/g后趋于平衡.结论复合剂的降氟容量较高,且具有降氟成本低、高氟水在pH=2～8范围内不需调节pH值即可使用、耗时短的特点.
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Key words
Polyvinyl alcohol,Hydroxyapatite,Defluoridation capacity,Complex
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