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Vı´ctor Manuel Aceituno Melgar,김진수,Mohd Roslee Othman 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.28 No.-
Zeolitic imidazolate framework (ZIF)-based membranes are emerging materials that are highlyattractive for gas separation and purification. Highly reproducible defect-free ZIF membranes with well-defined pore structures can be formed in a number of ways. The performance of ZIF membranes dependslargely on the preparation technique, application type, and operating conditions. Here, we review themethods of ZIF membrane preparation and discuss their performance in separating condensable andincondensable gases. In addition, recent developments in membrane synthesis and ways to improve thegas separation performance of ZIF membranes are discussed to promote industrial application andcommercialization of ZIF membranes.
Highly selective micro-porous ZIF-8 membranes prepared by rapid electrospray deposition
Vı´ctor Manuel Aceituno Melgar,안호원,김진수,Mohd Roslee Othman 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.21 No.1
Highly selective ZIF-8 membranes were successfully prepared by electrospray deposition for H2/CO2separation. This novel method produced ZIF-8membranes in a facile and time-efficientmanner using anelectrostatic force-assisted coating approach. In addition, the membrane thickness could be controlledeasily by simply varying the deposition time. Results from the experiment indicate that the membraneperformed preeminently in comparison with previously reported glassy and polymeric membranes forH2/CO2 separation. The H2 permeance of the ZIF-8 membrane prepared at 70 8C for 55.71 min was4.23 10 7 mol m 2 s 1 Pa 1 with H2/CO2 selectivity of 20.3.
YSZ-carbonate dual-phase membranes for high temperature carbon dioxide separation
안호원,김대호,Vı´ctor Manuel Aceituno Melgar,김진수,Mohd Roslee Othman,Hoang Viet Phuc Nguyen,한종희,윤성필 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.5
A dense yttria stabilized zirconia (YSZ)-carbonate membrane that was impermeable to gas at low temperature became highly permeable to CO2 at temperature above the melting point of the carbonate. The CO2 permeance across the YSZ-molten carbonate dual-phase membrane was observed to be higher than 0.1 × 10-8 mol/m2/Pa/s at temperature >650 ℃. The movement of ions was promoted at high temperature as YSZ and molten carbonate became highly conductive to oxygen ions and carbonate species, respectively. Addition of poly(methyl methacrylate) (PMMA) during preparation of macro-porous YSZ support created interconnected pore structures that were found conducive for carbonate infiltration and integration with the membrane materials.