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Fluoride and organic matter removal from groundwater using nanofiltration membrane

机译：使用纳滤膜去除地下水中的氟和有机物

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摘要

High fluoride concentrations in groundwater, up to more than 30 mg/L,occur widely,in many parts of the world. Nanofiltration(NF)membrane performance on fluoride removal from high fluoride content water was investigated in this study.The aim of this work is,on the other hand,to observe the influence of some operational parameters on the defluoridation performance. Nanofiltration was selected in this research since it has the smallest porous size that exhibit good performance in separation process compare to ultrafiltration and microfiltration membrane.Nanofiltration was prepared by interfacial polymerization.Nanofiltration membrane were synthesized by reacting aqueous solution of triethanolamine and organic solution of trimesoyl chloride in hexane.Separation test was carried out by using single test by separating the fluoride and water using synthetic fluoride.Nanofiltration membranes successfully reducing fluoride with the acceptable levels.
机译：在世界许多地方，地下水中氟化物的高浓度高达30 mg / L以上。本文研究了纳滤（NF）膜性能对从高氟含量水中去除氟的影响。另一方面，这项工作的目的是观察某些操作参数对脱氟性能的影响。与超滤和微滤膜相比，纳滤具有最小的孔径，在分离过程中表现出良好的性能，因此被选为纳滤膜。通过界面聚合制备纳米滤膜。三乙醇胺水溶液与均苯三甲酰氯的有机溶液反应合成了纳滤膜分离试验是通过使用合成氟化物分离氟化物和水的单项试验进行的。纳滤膜成功地将氟化物还原到可接受的水平。

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