High-performance polyamide nanofiltration membrane with arch-bridge structure on a highly hydrated cellulose nanofiber support
Teng, Xiangxiu1,2,3,4; Fang, Wangxi1; Liang, Yuanzhe5; Lin, Shihong5; Lin, Hongzhen1; Liu, Shasha6; Wang, Zhenyi1; Zhu, Yuzhang1; Jin, Jian1,2
2020-12
发表期刊SCIENCE CHINA-MATERIALS
ISSN2095-8226
EISSN2199-4501
发表状态已发表
DOI10.1007/s40843-020-1335-x
摘要Nanofiltration (NF) membranes with outstanding performance are highly demanded for more efficient desalination and wastewater treatment. However, improving water permeance while maintaining high solute rejection by using the current membrane fabrication techniques remains a challenge. Herein, polyamide (PA) NF membrane with archbridge structure is successfully prepared via interfacial polymerization (IP) on a composite support membrane of saltreinforced hydrophilic bacterial cellulose nanofibers (BCNs) nanofilm/polytetrafluoroethylene (BCNs/PTFE). The strong hydration of BCNs promotes Marangoni convection along water/organic solvent interface during the IP process, which creates extra area for interfacial reaction and produces a thin PA active layer with arch-bridge structures. These arch-bridge structures endow the resulting PA active layer with substantial larger active area for water permeation. Consequently, the PA NF membrane exhibits exceptional desalination performance with a permeance up to 42.5 L m(-2) h(-1) bar(-1) and a rejection of Na2SO4 as high as 99.1%, yielding an overall desalination performance better than almost all of the state of the art NF membranes reported so far in terms of perm selectivity.
关键词nanofiltration membrane crumpled structure cellulose nanofibers interfacial polymerization desalination
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收录类别SCI ; SCIE ; EI
语种英语
资助项目National Natural Science Funds for Distinguished Young Scholar[51625306] ; Key Project of the National Natural Science Foundation of China[21433012] ; National Natural Science Foundation of China[51603229][21406258] ; State Key Laboratory of Separation Membranes and Membrane Processes (Tianjin Polytechnic University)[M1-201801]
WOS研究方向Materials Science
WOS类目Materials Science, Multidisciplinary
WOS记录号WOS:000535335600001
出版者SCIENCE PRESS
WOS关键词3,3',5,5'-BIPHENYL TETRAACYL CHLORIDE ; INTERFACIAL POLYMERIZATION ; HIGH-FLUX ; WATER-RESOURCES ; HIGH-REJECTION ; PH ; FABRICATION ; CHEMISTRY ; TRANSPORT ; NETWORKS
原始文献类型Article ; Early Access
引用统计
文献类型期刊论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/121123
专题物质科学与技术学院_硕士生
物质科学与技术学院_特聘教授组_靳健组
通讯作者Zhu, Yuzhang; Jin, Jian
作者单位1.Chinese Acad Sci, Suzhou Inst Nanotech & Nanobion, I Lab, Suzhou 215123, Peoples R China
2.Shanghai Tech Univ, Sch Phys Sci & Technol, Shanghai 200031, Peoples R China
3.Chinese Acad Sci, Shanghai Inst Ceram, Shanghai 200050, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Vanderbilt Univ, Dept Civil & Environm Engn, Nashville, TN 37235 USA
6.Qilu Normal Univ, Coll Chem & Chem Engn, Jinan 250200, Peoples R China
第一作者单位物质科学与技术学院
通讯作者单位物质科学与技术学院
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GB/T 7714
Teng, Xiangxiu,Fang, Wangxi,Liang, Yuanzhe,et al. High-performance polyamide nanofiltration membrane with arch-bridge structure on a highly hydrated cellulose nanofiber support[J]. SCIENCE CHINA-MATERIALS,2020.
APA Teng, Xiangxiu.,Fang, Wangxi.,Liang, Yuanzhe.,Lin, Shihong.,Lin, Hongzhen.,...&Jin, Jian.(2020).High-performance polyamide nanofiltration membrane with arch-bridge structure on a highly hydrated cellulose nanofiber support.SCIENCE CHINA-MATERIALS.
MLA Teng, Xiangxiu,et al."High-performance polyamide nanofiltration membrane with arch-bridge structure on a highly hydrated cellulose nanofiber support".SCIENCE CHINA-MATERIALS (2020).
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