AMINE-FUNCTIONALIZED CUBTC/POLY(ETHER-B-AMIDE-6) (PEBAX® MH 1657) MIXED MATRIX MEMBRANES FOR CO2/CH4 SEPARATION

被引：56
作者：
Khosravi, Tayebeh [1 ]
Omidkhah, Mohammadreza [1 ]
Kaliaguine, Serge [2 ]
Rodrigue, Denis [2 ]
机构：
[1] Tarbiat Modares Univ, Fac Chem Engn, Tehran 14115143, Iran
[2] Laval Univ, Dept Chem Engn, Quebec City, PQ G1V 0A6, Canada
来源：
CANADIAN JOURNAL OF CHEMICAL ENGINEERING | 2017年 / 95卷 / 10期
基金：
加拿大自然科学与工程研究理事会;
关键词：
mixed matrix membrane; CO2/CH4; separation; Pebax; metal organic framework; CuBTC; METAL-ORGANIC FRAMEWORK; GAS SEPARATION; CU-BTC; NANOCOMPOSITE MEMBRANES; MOLECULAR-SIEVES; CO2; SEPARATION; NATURAL-GAS; ZEOLITE; PERFORMANCE; PERMEABILITY;
D O I：
10.1002/cjce.22857
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
CuBTC and NH2-CuBTC metal organic frameworks (MOF) were used to produce mixed matrix membranes (MMM) with a block copolymer of poly(ether-b-amide-6) (Pebax (R) MH 1657) as the polymer matrix to investigate the effect of amine functionalized group (-NH2) on the CO2/CH4 gas separation performance of the MMM. The MOF were fully characterized by XRD, FTIR-ATR, TGA, N-2, CO2, and CH4 adsorption, while the MMM were characterized using FTIR-ATR, TGA, DSC, and SEM. Permeability and selectivity of the MMM were studied at different MOF mass contents (5 to 20g/g) and feed pressures (0.3 to 1.5MPa) for pure and mixed gases. The CO2 permeability for 20g/g of both Pebax/CuBTC and Pebax/NH2-CuBTC MMMs was nearly twice that of the neat polymeric membrane, while the presence of amine functionalized group in NH2-CuBTC produced an increasing trend of CO2/CH4 ideal selectivity at high NH2-CuBTC loading and about a 60% increase was observed at 20g/g of NH2-CuBTC.
引用
收藏
页码：2024 / 2033
页数：10
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