2D boron nitride nanosheets in PIM-1 membranes for CO2/CH4 separation

被引：61

作者：

Ameen, Ahmed W. ^{[1
]}

Ji, Jing ^{[2
,3
]}

Tamaddondar, Marzieh ^{[4
]}

Moshenpour, Sajjad ^{[1
]}

Foster, Andrew B. ^{[4
]}

Fan, Xiaolei ^{[1
]}

Budd, Peter M. ^{[4
]}

Mattia, Davide ^{[2
]}

Gorgojo, Patricia ^{[1
]}

机构：

[1] Univ Manchester, Sch Engn, Dept Chem Engn & Analyt Sci, Oxford Rd, Manchester M13 9PL, Lancs, England

[2] Univ Bath, Ctr Adv Separat Engn, Dept Chem Engn, Bath BA2 7AY, Avon, England

[3] Chinese Acad Sci, Guangzhou Inst Adv Technol, Guangzhou 511458, Guangdong, Peoples R China

[4] Univ Manchester, Sch Nat Sci, Dept Chem, Oxford Rd, Manchester M13 9PL, Lancs, England

来源：

JOURNAL OF MEMBRANE SCIENCE | 2021年 / 636卷

基金：

英国工程与自然科学研究理事会;

关键词：

Gas separation; PIM-1; Boron nitride nanosheets; Mixed matrix membranes; Natural gas; MIXED MATRIX MEMBRANES; INTRINSIC MICROPOROSITY PIM-1; GAS-SEPARATION; CROSS-LINKING; POLYMER; PERFORMANCE; PERMEATION; COMPOSITES; FRAMEWORKS; COPOLYMERS;

D O I：

10.1016/j.memsci.2021.119527

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Physical aging represents one of the major obstacles towards adoption of polymer of intrinsic microporosity (PIM) membranes for gas separation applications. In this work, mixed matrix membranes (MMMs) of 2D boron nitride nanosheets (BNNS) and PIM-1 were prepared and applied in the separation of a CO2/CH4 (1:1, v:v) binary gas mixture. The membranes were tested over a period of more than one year to evaluate their anti-aging properties as compared to neat PIM-1. The results show that introducing BNNS into PIM-1 leads to a significant reduction in the physical aging of PIM-1, as demonstrated by the values of reduction in CO2 permeability after 414 days (22% for the MMMs as compared to 58% for neat PIM-1). This work paves the way to using PIMbased membranes in industry.

引用

页数：11

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