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膜蒸馏过程中膜污染问题及其缓解策略研究

中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第40卷 期数: 2024年第24期 页码: 24-32 栏目: 出版日期: 2024-12-17
Title:
Study on Membrane Fouling in Membrane Distillation Process and Its Mitigation Strategy
作者:
申静1,2， 毛鑫1， 张冰1,2， 尹文洁1， 申渝1,2， 时文歆3
（1.重庆工商大学 国家智能制造服务国际科技合作基地，重庆 400067；2.重庆南向泰斯环保技术研究院，重庆 400060；3.重庆大学 环境与生态学院，重庆 400045）
Author(s):
SHEN　Jing1，2， MAO　Xin1， ZHANG　Bing1，2， YIN　Wen-jie1， SHEN　Yu1，2， SHI　Wen-xin3
（1. National Research Base of Intelligent Manufacturing Service， Chongqing Technology and Business University， Chongqing 400067， China； 2. Chongqing South?to?Thais Environmental Protection Technology Research Institute Co. Ltd.， Chongqing 400060， China； 3. School of Environmental and Ecology， Chongqing University， Chongqing 400045， China）
关键词:
膜蒸馏;  膜污染;  预处理;  膜清洗;  水处理
Keywords:
membrane distillation;  membrane fouling;  pretreatment;  membrane cleaning;  wastewater treatment
摘要:
膜蒸馏是一种将膜法与热驱动结合的新型水处理技术，已被广泛应用于海水淡化及废水处理等研究领域。该技术尽管理论上能完全去除污染物，但有机和无机污染物在膜表面累积引起的膜污染问题仍是制约其实际应用的主要因素。围绕膜蒸馏过程中的膜污染问题，分别介绍了该过程中膜污染的机制、膜污染物组成以及膜污染影响因素；简述了预处理和膜清洗两种减缓膜污染技术，并在此基础上重点介绍了各类膜污染减缓技术的特点，以期为解决实际膜蒸馏过程中的膜污染问题提供借鉴。
Abstract:
Membrane distillation is a new type of water treatment technology that combines membrane process with thermal drive. It has been widely used in research into seawater desalination and wastewater treatment. Although this technology can theoretically remove the pollutants completely, the issue of membrane fouling caused by the accumulation of organic and inorganic pollutants on the membrane surface remains the main factor limiting its practical application. Focusing on membrane fouling issues in the membrane distillation process, this review introduces the fouling mechanisms, the foulant compositions, and the influencing factors. Two kinds of membrane fouling mitigation technologies were briefly introduced namely pretreatment and membrane cleaning. On this basis, the characteristics of various membrane fouling mitigation technologies were emphasized. This review will provide experience and reference for solving membrane fouling problems in practical membrane distillation processes.

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更新日期/Last Update: 2024-12-17