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首页> 外文期刊>Journal of industrial and engineering chemistry >Polydopamine layered poly (ether imide) ultrafiltration membranes tailored with silver nanoparticles designed for better permeability, selectivity and antifouling
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Polydopamine layered poly (ether imide) ultrafiltration membranes tailored with silver nanoparticles designed for better permeability, selectivity and antifouling

机译:聚二胺分层聚(醚酰亚胺)超滤膜,用银纳米粒子设计,设计用于更好的渗透性,选择性和防污

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摘要

Poly (ether imide) [PEI] ultrafiltration membranes are coated by polydopamine (PD) and immobilized with silver nanoparticles (AgNPs) to improve the permeation, contaminant separation and anti-fouling properties. The tailored membranes displayed enhanced permeability (97.2 Lm(-2) h(-1)), hydraulic resistance (13.8 kPa/Lm(-2) h(-1)), average roughness (43 nm), contaminant rejection (>97%) with a higher flux recovery ratio (>95%). PEI/PD/Ag membranes showed anti-biofouling property against gram negative and gram positive bacteria and facilitated the separation of toxic contaminants. The outstanding stability of PD coating and the presence of AgNPs offer effective and safe water separation. (C) 2019 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
机译:聚二胺(Pd)涂覆聚二胺(Pd)并用银纳米颗粒(AgNP)固定,以改善渗透,污染物分离和防污性能的固定。 定制的膜显示出增强的渗透率(97.2 lm(-2)H(-1)),液压阻力(13.8kPa / lm(-2)h(-1)),平均粗糙度(43nm),污染物排斥(> 97 %)助焊剂较高(> 95%)。 PEI / Pd / Ag膜显示出抗生物污染性质针对革兰氏阴性和革兰氏阳性细菌,并促进了毒性污染物的分离。 Pd涂层的出色稳定性和AgNP的存在提供了有效和安全的水分离。 (c)2019年韩国工程化学学会。 elsevier b.v出版。保留所有权利。

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