| 膜过滤在污水处理中的应用研究进展 |
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| 引用本文： | 徐新阳,马铮铮.膜过滤在污水处理中的应用研究进展[J].气象与环境学报,2007,23(4):52-56. |
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| 作者姓名： | 徐新阳 马铮铮 |
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| 作者单位： | 东北大学资源与土木工程学院环境工程研究所 沈阳110006 |
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| 摘 要： | 膜滤是借助一定的外加压力使液体穿过膜后分离成浓缩液和渗透液的分离技术。常用于水处理的膜滤依据过滤膜孔径、被截留物质的尺寸和施加的过滤压力不同可分为微滤、超滤、纳滤和反渗透等。介绍了不同膜滤技术的渗透原理、膜的类型、过滤模型以及膜的污染与防治,概述了膜过滤在处理垃圾填埋场渗沥液和处理纺织印染工业废水以及中水回用等领域的应用,并探讨了膜滤技术今后的研究方向。
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| 关 键 词： | 膜过滤 膜污染 污水处理 应用 |
| 收稿时间： | 2007-3-12 |
| 修稿时间： | 2007-03-12 |
Advance in the application of membrane filtration in wastewater treatment |
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| XU Xinyang,MA Zhengzheng.Advance in the application of membrane filtration in wastewater treatment[J].Journal of Meteorology and Environment,2007,23(4):52-56. |
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| Authors: | XU Xinyang MA Zhengzheng |
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| Institution: | Institute of Environmental Engineering;College of Resource and CivilEngineering;Northeastern University;Shenyang 110006 |
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| Abstract: | Membrane filtration was a pressure-driven separation technique,in which a pressure was exerted to make the liquid separated into the concentrating fluid and the penetrating fluid through the membrane.According to the membrane pore sizes,the sizes of retained matter and the pressure exerted on the membrane,membrane processes used in wastewater treatment could be classified into microfiltration(MF),ultrafiltration(UF),nanofiltration(NF) and reverse osmosis(RO).The principles of different membrane filtration techniques,the types of membranes,filtration models and the control of membrane fouling were reviewed in this paper.The application of membrane filtration techniques such as RO and NF in the treatment of wastewater from landfills,NF in textile and printworks industry and UF and MF in wastewater treatment and reuse were also summarized.Finally,the developments of membrane filtration technique in the future were discussed. |
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| Keywords: | Membrane filtration technique Membrane fouling Wastewater treatment Application |
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