文献类型：期刊文献

英文题名：Role of body fluid on the removal of haloacetic acids from swimming pool water by nanofiltration

作者：Yang, Linyan[1,2,3];Jiang, Jielun[2];Chen, Xueming[4];Zhou, Yanbo[1,2,3];Bai, Lichun[5];Meng, Shujuan[6];Cao, Guomin[1,2,3]

机构：[1]East China Univ Sci & Technol, Natl Engn Res Ctr Ind Wastewater Detoxicat & Resou, Shanghai 200237, Peoples R China;[2]Shanghai Inst Pollut Control & Ecol Secur, Shanghai 200092, Peoples R China;[3]East China Univ Sci & Technol, Sch Resources & Environm Engn, Shanghai 200237, Peoples R China;[4]Fuzhou Univ, Coll Environm & Resources, Fujian Prov Engn Res Ctr Rural Waste Recycling Tec, Fuzhou 350116, Fujian, Peoples R China;[5]Cent South Univ, Sch Traff & Transportat Engn, Key Lab Traff Safety Track, Minist Educ, Changsha 410075, Peoples R China;[6]Beihang Univ, Sch Space & Environm, Beijing 100191, Peoples R China

年份：2023

卷号：325

外文期刊名：SEPARATION AND PURIFICATION TECHNOLOGY

收录：;EI(收录号：20233114459598);WOS:【SCI-EXPANDED(收录号:WOS:001049538000001)】；

基金：This study was sponsored by the National Natural Science Founda-tion of China (No. 52100085) and the Natural Science Foundation of Shanghai (21ZR1418000) .

语种：英文

外文关键词：Nanofiltration; Body fluids; Haloacetic acids; Rejection mechanism

摘要：Considering the co-presence of body fluids and haloacetic acids (HAAs) in swimming pool waters (SPWs), as well as the potential for interaction among these substances and membranes, we have conducted a systematic investigation into the impact of body fluid analogue (BFA) on membrane performance. The minor impact of BFA on the rejection behavior of NF90 was attributed to its dominant effect of size exclusion. However, for NF270, 30 mg/L BFA increased water flux by 5%, decreased NaCl rejection from 59% to 47%, and decreased HAA rejection from 88% to 75%. The carboxyl-based components in BFA, including citric acid (CA) and hippuric acid (HA), were mainly responsible for the varied performance. Carboxyl-based components reduced the negative charge on membrane surfaces, increased the effective pore size and hydrophilicity, resulting in an increase for water flux and a decrease for NaCl and HAA rejection. The amine-based components (other BFA components with CA, HA, and salt excluded) did not directly influence the membrane performance, but their effect became remarkable under the coexistence of carboxyl-based components. The amine-based components neutralized the effect of the carboxyl-based components by forming hydrogen bonds. The practical application of membrane technology for water purification can be better predicted by the underlying mechanism for resolving the interaction among polyamide membranes, organic substances, and trace contaminants.