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2019, Volume 13, Issue 3

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Frontiers of Chemical Science and Engineering >> 2019, Volume 13, Issue 3 doi: 10.1007/s11705-018-1781-0

Effect of TiO

. Research and Technology Center of Membrane Processes, Chemical Engineering Department, Iran University of Science and Technology (IUST), Narmak, Tehran, Iran.. Gas Engineering Department, Petroleum University of Technology, Ahwaz, Iran

Accepted: 2019-03-21 Available online: 2019-03-21
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Abstract

Membranes have attracted much attention as economical methods for industrial chemical processes. The effects of the titanium dioxide nanoparticle load on the morphology and CO /CH separation performance of poly (ether-block-amide) (PEBAX-1657) mixed matrix membranes (MMMs) were investigated from pressures of 3–12 bar and temperatures of 30°C–60°C. The PEBAX membranes were characterized by scanning electron microscopy, Fourier transform infrared spectroscopy, X-ray diffraction, thermal gravimetric analysis, atomic force microscopy and tensile strength analysis. The incorporation of TiO nanoparticles into the polymeric MMMs improved the CO /CH gas separation performance (both the permeability and selectivity) of the membranes. The CO permeability and ideal CO /CH selectivity values of the nanocomposite membrane loaded with 8 wt-% TiO were 172.32 Barrer and 24.79, respectively whereas those of the neat membrane were 129.87 Barrer and 21.39, respectively.

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