Increasing both selectivity and permeability of mixed-matrix membranes: Sealing the external surface of porous MOF nanoparticles

被引：76

作者：

Xie, Ke ^{[1
]}

Fu, Qiang ^{[1
]}

Kim, Jinguk ^{[1
]}

Lu, Hiep ^{[1
]}

He, Yingdian ^{[1
]}

Zhao, Qinghu ^{[1
]}

Scofield, Joel ^{[1
]}

Webley, Paul A. ^{[1
]}

Qiao, Greg G. ^{[1
]}

机构：

[1] Univ Melbourne, Dept Chem & Biomol Engn, Parkville, Vic 3010, Australia

来源：

JOURNAL OF MEMBRANE SCIENCE | 2017年 / 535卷

关键词：

Core-shell nano particles; Interfacial design; Carbon dioxide capture; Upper bound; Sealing surface; CO2 SEPARATION PERFORMANCE; CARBON-DIOXIDE CAPTURE; GAS-SEPARATION; INTRINSIC MICROPOROSITY; POLYMER; PLASTICIZATION; ENHANCEMENT; DIFFUSIVITY; PERMEATION; SOLUBILITY;

D O I：

10.1016/j.memsci.2017.04.022

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A novel approach to improve the selectivity of mixed matrix membrane (MMM) systems was developed. MOF nanoparticles (NPs) were chemical coated by a PEG based shell and then incorporated into a polymer matrix to yield a MMM. The unique design of the core-shell MOF NPs can enhance both the membrane permeability and selectivity simultaneously. This membrane material exhibits excellent CO2/N-2 separation performance that surpasses the latest upper bound through the most direct way. This filler was also applied to the thin-film composite membrane system, showing promising performance and placing it in the optimal zone for postcombustion CO2 capture.

引用

页码：350 / 356

页数：7

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