Gas permeation properties of Pebax®1657/ZIF-8 nanocomposite membrane
Paper ID : 1154-MST2015-FULL
Authors:
1samira mosleh *, 2Mohammad reza Mozdianfard, 3Mahmood Hemmati, 3Ghader Khanbabaei
1Kashan university
2Department of Chemical Engineering, University of Kashan., Kashan, Iran
3Chemical Polymeric and Petrochemical Technology Development Research Division, Research Institute of Petroleum Industry (RIPI), Tehran, Iran
Abstract:
Nanocomposite membranes made from metal organic framework (MOF) and polymers have received extensive attention in the field of gas separation. In this work, poly(ether-block-amide), (Pebax®1657)/zeolitic imidazolate framework-8 (ZIF-8) nanocomposite membranes were prepared using Dimethylacetamide (DMAc) as solvent mixture. The concentration of ZIF-8 in membrane was varied from 10 to 50 wt.% of the polymer. The pure gas permeabilities were recorded at the ambient temperature and 12 bar feed pressure, using pressure constant set-up. The permeabilities of Pebax®1657/ZIF-8 (30 wt.%) membranes were enhanced from 59.7 to 125.6 Barrers for CO2, 3.2 to 6 Barrers for CH4. The ideal selectivity of 30 wt.% ZIF-8 membrane enhanced from 18.5 to 20.8 for the CO2/CH4 gas pair in 12 bar feed pressure.
Keywords:
nanocomposite membrane, Pebax®1657, zeolitic imidazolate framework-8 (ZIF-8), gas separation
Status : Paper Accepted (Poster Presentation)