Applying Pebax-1657/ZnO mixed matrix membranes for CO2/CH4 separation

Membrane technologies as conservative approaches have absorbed much attention in chemical and petroleum engineering, recently. The current research presents the preparation of effectively mixed matrix membranes (MMMs) using polyether-block-amide (Pebax-1657) as a polymeric matrix and zinc oxide (ZnO...

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Published inPetroleum science and technology Vol. 37; no. 24; pp. 2412 - 2419
Main Authors Farashi, Zahra, Azizi, Navid, Homayoon, Reza
Format Journal Article
LanguageEnglish
Published Abingdon Taylor & Francis 17.12.2019
Taylor & Francis Ltd
Subjects
Carbon dioxide
CH
Field emission microscopy
Field emission spectroscopy
Fourier transforms
gas sweetening
Infrared spectroscopy
Membranes
Methane
mixed matrix membranes
Nanoparticles
Organic chemistry
Pebax-1657
Petroleum engineering
Scanning microscopy
Selectivity
separation
Zinc oxide
Zinc oxides
ZnO nanoparticles
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Summary:Membrane technologies as conservative approaches have absorbed much attention in chemical and petroleum engineering, recently. The current research presents the preparation of effectively mixed matrix membranes (MMMs) using polyether-block-amide (Pebax-1657) as a polymeric matrix and zinc oxide (ZnO) nanoparticles with various contents (0.0, 2.5, 5.0, 7.5, and 10.0 wt%) as a filler. X-ray diffraction (XRD), Fourier transform infrared (FT-IR) spectroscopy, and field emission scanning microscopy (FESEM) were conducted to characterize the prepared membranes. The membrane performance was evaluated by caring out permeation experiments of the CO 2 and CH 4 at a pressure of 3 bar and temperature of 30 °C. Based on the obtained results, the CO 2 permeability and ideal CO 2 /CH 4 selectivity increased about 13 and 21%, respectively at 10.0 wt% loading of ZnO in the polymer matrix.
ISSN:1091-6466
1532-2459
DOI:10.1080/10916466.2019.1587462