Journal
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 66, Issue -, Pages 209-220Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2018.05.032
Keywords
Polyelectrolyte nanoparticles; Nanocomposite membranes; Polyamide; Nanofiltration; Amino acid separation
Funding
- National Key Research & Development Program of China [2017YFC0403903]
- National Natural Science Foundation of China [21776252, 21676233]
- National Basic Research Program of China [2015CB655303]
- Zhejiang Provincial Collaborative Innovation Center Program 2011 [G1504126001900]
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We have designed a novel type of thin-film nanocomposite (TFN) membranes with embedded polyelectrolyte nanoparticles (PNPs) and investigated their applicability in the separation of amino acids. PNP particles were mixed with piperazine (PIP) and interfacial polymerized with trimesoyl chloride (TMC), allowing for simultaneous improvement in water permeability, amino acid selectivity, and antifouling property. Separation performance could be conveniently tuned by modulating the chemical structure of PNPs and their content in TFN membranes, as well as adjusting the feed pH value. This work would promote the application of polyelectrolyte nanoparticles based TFN membranes in the separation and purification of amino acids. (C) 2018 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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