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A facile preparation of novel positively charged MOF/chitosan nanofiltration membranes

Ma, Xiao-Hua, Yang, Zhe, Yao, Zhi-Kan, Xu, Zhen-Liang, Tang, Chuyang Y.·2017·Journal of Membrane Science
DOI 10.1016/j.memsci.2016.11.015
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Abstract

A novel positively charged nanofiltration (NF) membrane was fabricated by incorporating metal-organic frameworks (MOFs) into chitosan polymeric matrix for enhanced removal of multivalent cations. The synthesized MOFs, NH2-MIL-101(Al) and NH2-MIL-101(Cr), could be homogeneously dispersed in the chitosan polymeric matrix. The morphologies of MOFs had a significant influence on the permeability of NF membranes. NF membrane filled with NH2-MIL-101(Al) with rod-like structure attained two times higher flux but similar rejection compared with that filled with NH2-MIL-101(Cr) with grainy structure. The effect of MOF loadings (NH2-MIL-101(Al)) on the membrane performance were evaluated by XRD, FTIR and SEM. These positively charged MOF/chitosan NF membranes were able to reject up to 93.0% of MgCl2, and the salt rejection followed the order of MgCl2>CaCl2>NaCl>Na2SO4.

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Metadata

Authors
Ma, X.-H., Yang, Z., Yao, Z.-K., Xu, Z.-L., & Tang, C. Y.
Venue
Journal of Membrane Science
Publisher
Elsevier BV
Published
2017-03
Volume
525
Pages
269-276
ISSN
0376-7388 (ISSN-L)
DOI
10.1016/j.memsci.2016.11.015
OpenAlex
W2552468199
Cited by
167
References
0
FWCI
9.64
Type
journal article
Language
en
Open access
closed
Licence
www.elsevier.com/tdm/userlicense/1.0/ (tdm)
Funders
  • Innovation and Technology Fund (#ITS/208/14)
  • General Research Fund (17207514)
  • University of Hong Kong
  • Hong Kong Scholars Program (XJ2015015)
  • National Natural Science Foundation of China (21406060)
  • Shanghai Sailing Program (14YF1404800)
  • Fundamental Research Funds for the Central Universities (WA1514305)
  • State Key Laboratory of Chemical Engineering (SKL-ChE-14C03)

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CoChat. (2026). Citation check: A facile preparation of novel positively charged MOF/chitosan nanofiltration membranes. https://app.cochat.ai/papers/10.1016/j.memsci.2016.11.015
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Ma, X.-H., Yang, Z., Yao, Z.-K., Xu, Z.-L., & Tang, C. Y. (2017). A facile preparation of novel positively charged MOF/chitosan nanofiltration membranes. Journal of Membrane Science. https://doi.org/10.1016/j.memsci.2016.11.015

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