典型文献
Preparation of reverse osmosis membrane with high permselectivity and anti-biofouling properties for desalination
文献摘要:
High performance is essential for the polyamide(PA)reverse osmosis(RO)membranes during the desalination process.Herein,RO membranes with high permselectivity and anti-biofouling properties were fabricated by nanoparticles incorporation and anti-biofouling grafting.Hydrotalcite(HT)incorporation was performed with a dual role,enhancing water flux and acting as grafting sites.The HT incorporation increased the water flux without sacrificing the salt rejection,compensating for the loss caused by the following grafting reaction.The exposed surface of HT acted as grafting sites for anti-biofouling agent dimethyloctadecyl[3-(trimethoxysilyl)propyl]ammonium chloride(DMOT-PAC).The combination of HT incorporation and DMOTPAC grafting endowed RO membranes with high permselectivity and anti-biofouling properties.The water flux of the modified membrane PA-HT-0.06 was 49.8 L/m2·h,which was 16.4%higher than that of the pristine membrane.The salt rejection of PA-HT-0.06 was 99.1%,which was comparable to that of the pristine membrane.As to the fouling of negatively charged lysozyme,the modified membrane's water flux recovery was superior to that of the pristine membrane(e.g.86.8%of PA-HT-0.06 compared to 78.2%of PA-pristine).The sterilization rates of PA-HT-0.06 for E.coli and B.subtilis were 97.3%and 98.7%,much higher than those of the pristine membrane(24.0%for E.coli and 26.7%for B.subtilis).
文献关键词:
中图分类号:
作者姓名:
Xinxia Tian;Hui Yu;Jun Yang;Xiaotai Zhang;Man Zhao;Yang Yang;Wei Sun;Yangyang Wei;Yin Zhang;Jian Wang;Zhun Ma
作者机构:
The Institute of Seawater Desalination and Multipurpose Utilization,MNR(Tianjin),Tianjin 300192,China;Tianjin Huanke Environment Consulting CO.,LTD,Tianjin 300191,China;College of Chemical and Biological Engineering,Shandong University of Science and Technology,Qingdao 266590,China
文献出处:
引用格式:
[1]Xinxia Tian;Hui Yu;Jun Yang;Xiaotai Zhang;Man Zhao;Yang Yang;Wei Sun;Yangyang Wei;Yin Zhang;Jian Wang;Zhun Ma-.Preparation of reverse osmosis membrane with high permselectivity and anti-biofouling properties for desalination)[J].环境科学与工程前沿,2022(07):69-82
A类:
permselectivity,Hydrotalcite,dimethyloctadecyl,trimethoxysilyl,DMOT,DMOTPAC
B类:
Preparation,reverse,osmosis,anti,biofouling,properties,desalination,High,performance,essential,polyamide,RO,membranes,during,process,Herein,were,fabricated,by,nanoparticles,incorporation,grafting,HT,was,performed,dual,role,enhancing,water,flux,acting,sites,increased,without,sacrificing,salt,rejection,compensating,loss,caused,following,reaction,exposed,surface,acted,agent,propyl,ammonium,chloride,combination,endowed,modified,which,higher,than,that,pristine,comparable,negatively,charged,lysozyme,recovery,superior,compared,sterilization,rates,coli,subtilis,much,those
AB值:
0.380274
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