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首页> 外文期刊>Separation and Purification Technology >Electrospun nanofibre membranes functionalised with TiO2 nanoparticles: Evaluation of humic acid and bacterial removal from polluted water
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Electrospun nanofibre membranes functionalised with TiO2 nanoparticles: Evaluation of humic acid and bacterial removal from polluted water

机译：TiO2纳米粒子功能化的电纺纳米纤维膜：评估腐殖酸和从污水中去除细菌

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This study presents contact experiments and filtration tests with nanofibre membranes containing TiO2 nanoparticles in view of effluent treatment. The first part of this study focuses on the removal of dissolved organic matter, more specifically humic acids. Removal of humic acids from secondary wastewater treatment plant effluent as well as from synthetic water solutions was tested. Also the bactericidal effect of the TiO2 functionalised nanofibre membranes was examined. Contact experiments with TiO2 functionalised membranes showed removal of humic acids (83% degradation after 2 h) and Staphylococcus aureus (4.5 log(10)/100 ml after 6 h). Also the possibility of using (TiO2 functionalised) nanofibre membranes for effluent filtration in view of water reuse, was examined. Such secondary effluent filtration tests improved water quality as a reduction in turbidity (69%), humic acids (37%) and bacterial activity (76%) was observed. It can be concluded that nanofibre membranes could be used as a high-flux filtration technique for effluent recuperation. (C) 2015 Elsevier B.V. All rights reserved.
机译：这项研究提出了接触实验和考虑到废水处理的含TiO2纳米颗粒的纳米纤维膜的过滤测试。这项研究的第一部分着重于去除溶解的有机物，特别是腐殖酸。测试了从二级废水处理厂废水以及合成水溶液中去除腐殖酸的方法。还检查了TiO2功能化的纳米纤维膜的杀菌作用。用TiO2功能化膜进行的接触实验显示，去除了腐殖酸（2小时后降解率达83％）和金黄色葡萄球菌（6小时后为4.5 log（10）/ 100 ml）。鉴于水的再利用，还研究了使用（TiO2功能化的）纳米纤维膜进行废水过滤的可能性。这样的二次污水过滤测试改善了水质，降低了浑浊度（69％），腐殖酸（37％）和细菌活性（76％）。可以得出结论，纳米纤维膜可以用作污水回收的高通量过滤技术。 （C）2015 Elsevier B.V.保留所有权利。

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