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Yan-Li Ji,Wei-Jie Qian,Quan-Fu An,Kueir-Rarn Lee,Cong-Jie Gao 한국공업화학회 2018 Journal of Industrial and Engineering Chemistry Vol.66 No.-
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 anti-fouling 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.
Micah Belle Marie Yap Ang,Jazmine Aiya D. Marquez,Shu-Hsien Huang,Kueir-Rarn Lee 한국공업화학회 2021 Journal of Industrial and Engineering Chemistry Vol.97 No.-
Interfacial polymerization (IP) is considered as an emerging technique for fabricating pervaporation (PV)membranes. Typically, PV membranes fabricated through IP achieve high separation efficiency andoverall performance as they possess characteristics that play vital roles in defying the limiting trade-offbetween permeationflux and separation factor. There is a great deal offlexibility in the IP technique. Therefore, this article reviews evolving trends in developing PV membranes fabricated through IP interms of methods of fabrication and modification strategies, active layer and membrane supportselections, and potential industrial applications. Moreover, we also emphasized the free volume analysisof the membranes prepared through IP. Future plans for furthering IP as a fabrication technique for PVmembranes are also explored.