Study of CO 2 and CH 4 Permeation Properties through Prepared and Characterized Blended Pebax-2533/PEG-200 Membranes
作者： Navid Azizi , Mahmoud Reza Hojjati , Mohammad Mehdi Zarei
DOI: 10.1007/S12633-017-9626-X
关键词: Polyethylene glycol 、 Permeation 、 PEG ratio 、 Bar (unit) 、 Scanning electron microscope 、 Chemical engineering 、 Membrane 、 Fourier transform infrared spectroscopy 、 Barrer 、 Materials science
摘要: This study demonstrates how incorporation of polyethylene glycol (PEG-200) into poly (ether-block-amide) (Pebax-2533) can improve the prepared membrane performance in separating CO2from CH4. Additionally, effect various PEG-200 loadings on CH4and CO2permeability and CO2/CH4selectivity values was investigated. The membranes were examined using Fourier transform infrared (FTIR), X-ray diffraction (XRD) scanning electron microscopy (SEM) analyses. Permeation experiments gasses through neat Pebax blended (Pebax-2533/PEG-200) carried out at a temperature 25 ∘C pressure range 2 to 10 bar. gas permeation indicated that is better than membrane. As an example, ideal for with 40 wt.% loading are 351.65 9.17 Barrer, while those 187.54 7.28 respectively.
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