Performance of Multilayer Composite Hollow Membrane in Separation of CO2 from CH4 in Mixed Gas Conditions

被引:6
|
作者
Zakariya, Shahidah [1 ,2 ]
Yeong, Yin Fong [1 ,2 ]
Jusoh, Norwahyu [1 ,2 ]
Tan, Lian See [3 ]
机构
[1] Univ Teknol PETRONAS, Chem Engn Dept, Seri Iskandar 32610, Perak, Malaysia
[2] Univ Teknol Petronas, CO2 Res Ctr CO2RES, R&D Bldg, Seri Iskandar 32610, Perak, Malaysia
[3] Univ Teknol Malaysia UTM, Malaysia Japan Int Inst Technol MJIIT, Dept Chem Proc Engn, Jalan Sultan Yahya Petra, Kuala Lumpur 54100, Malaysia
关键词
dip-coating; metal organic frameworks (MOFs); multilayer composite hollow fiber membrane; CO2; CH4 mixed gas separation; MATRIX MEMBRANES; HYDROGEN-SULFIDE; CO2-CH4; MIXTURES; FIBER MEMBRANES; CO2/CH4; PLASTICIZATION; DEGRADATION; PERMEATION; CAPTURE; SURFACE;
D O I
10.3390/polym14071480
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Composite membranes comprising NH2-MIL-125(Ti)/PEBAX coated on PDMS/PSf were prepared in this work, and their gas separation performance for high CO2 feed gas was investigated under various operating circumstances, such as pressure and CO2 concentration, in mixed gas conditions. The functional groups and morphology of the prepared membranes were characterized by Fourier transform infrared spectroscopy (FTIR) and field emission scanning electron microscopy (FESEM). CO2 concentration and feed gas pressure were demonstrated to have a considerable impact on the CO2 and CH4 permeance, as well as the CO2/CH4 mixed gas selectivity of the resultant membrane. As CO2 concentration was raised from 14.5 vol % to 70 vol %, a trade-off between permeance and selectivity was found, as CO2 permeance increased by 136% and CO2/CH4 selectivity reduced by 42.17%. The membrane produced in this work exhibited pressure durability up to 9 bar and adequate gas separation performance at feed gas conditions consisting of high CO2 content.
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页数:13
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