可再生能源2025，Vol.43Issue(4)：561-568,8.
逆坡运输与膜污染对反电渗析效能的影响
Effect of uphill transport and membrane fouling on reverse electrodialysis efficiency
摘要
Abstract
The impacts of multivalent ions and organic substances on the energy generation efficiency of Reverse Electrodialysis(RED)devices were investigated in terms of uphill transport and membrane fouling.The results showed that the maximum power density was obtained when the 0.5 mol/L NaCl solutions was used as the feeding solution of the RED device.However,the power densities decreased by 72.45%,68.82%,and 72.14%,respectively,as the feeding solutions were switched to 0.5 mol/L multivalent salt(MgCl2,CaCl2 and Na2SO4)solutions.By adding organic foulants-sodium alginate(SA)into the multivalent salt solutions,the power density was enhanced with the increase of SA concentrations and reached a maximum level with addition of 30 mg/L SA,and then was gradually decreased when SA concentration was further raised.The NaCl solutions exerted minor influences on the adsorption of SA molecules onto cation-exchange membranes.In contrast,the mixture of NaCl and MgCl2 obviously exacerbated the adhesion between SA molecules and cation-exchange membranes关键词
反电渗析/逆坡运输/膜污染/界面自由能Key words
reverse electrodialysis/uphill transport/membrane fouling/interfacial free energy分类
能源科技引用本文复制引用
李贤能,刘贵彩,刘宇昊,孙国政,赵东升,任潇,杜加磊..逆坡运输与膜污染对反电渗析效能的影响[J].可再生能源,2025,43(4):561-568,8.基金项目
国家自然科学基金项目(5180825,51979064). （5180825,51979064）
