| Effect of polymer on the desalination erformance of ion exchange membrane and mechanism study |
| Authors： WANG Ting1, YU Shuili1*, HOU Lian1,2* |
| Units： 1. State Key Laboratory of Pollution Control and Resource Reuse, Tongji University, Shanghai 200092; 2. The PLA Second Artillery Corps Engineering Design Research Institute, Beijing 100000 |
| KeyWords： Polymer flooding wastewater; Partially hydrolyzed polyacrylamide (HPAM); Salinity; Membrane fouling |
| ClassificationCode：X703 |
| year,volume(issue):pagination： 2016,36(1):30-38 |
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Abstract： |
| The aim of this study was to investigate the effects of HPAM with different molecular weights (MWs) on desalination performances of ion-exchange membranes (IEMs) by using the electrodialysis (ED) stack. Also, membrane fouling characteristics were analyzed based on the MW distribution of HPAM in cleaning liquids and the adsorption of polymers on membranes. The experimental results indicated that the increase of HPAM MW would worsen the desalination performance and caused higher energy consumption in desalination. In addition, the fouling on the cation-exchange membrane (CEM) was more remarkable than that of the anion-exchange membrane (AEM). Furthermore, the study of electrostatic forces, interface thermodynamics and mechanical actions shaping by geometric factors all demonstrated that HPAM had a significant influence on fouling of IEMs, while electrostatic forces were the most significant factors. |
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Funds： |
| 国家高技术研究发展计划（863）项目（2008AA06Z304）；科技部国际合作项目（中日韩）（2010DFA92460） |
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AuthorIntro： |
| 第一作者简介：王婷（1991-），女，湖北省武汉市人，工程硕士，研究方向：水处理技术，E-mail：wtmint@163.com |
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Reference： |
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