NDLI: Poly(Ethylene Oxide)-block-Polysulfone-block-Poly(Ethylene Oxide) / Poly(etherblock-amide) Composite Membrane for Carbon Dioxide Separation

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Poly(Ethylene Oxide)-block-Polysulfone-block-Poly(Ethylene Oxide) / Poly(etherblock-amide) Composite Membrane for Carbon Dioxide Separation

Content Provider	Semantic Scholar
Author	Omoniyi, Adekunle Lawrence
Copyright Year	2012
Abstract	Polyethylene Oxide-block-Polysulfone-block-Polyethylene Oxide / poly(ether-blockamide) Composite Membrane for Carbon Dioxide Separation. Adekunle Lawrence Omoniyi This research study describes the gas separation performance of different sets of Polyethyleneoxide-block-Polysulfone-block-Polyethyleneoxide/poly(ether-block-amide) (PEO-b-PSU-b-PEO/Pebax) composite membranes for CO2 separation from N2 and CH4. Gas permeation properties of the membranes prepared were studied at ambient temperature (21 o C) and 8bar. The dependence of gas flux and selectivity on pressure was explored for different pressures from 2.5 bar up to 19 bar also at ambient temperature. Pebax/PAN composite membranes have a range of CO2 permeance of 4467±274 GPU, 365±64 GPU for CH4 and 152±17 GPU for N2 with CO2/N2 and CO2/CH4selectivities ranges of 30 and 13 respectively. Improved CO2/N2 and CO2/CH4 selectivities coupled with flux reduction were obtained from the introduction of PEO-b-PSU-b-PEO films on Pebax/PAN composite membranes. The gas flux reduced to about one-tenth of Pebax/PAN membrane’s while the selectivities obtained for all the PEO-b-PSU-bPEO/Pebax/PAN membrane range from 33 to 60 for CO2/N2 and 17 to 33 for CO2/CH4 as the thickness of PEO-b-PSU-b-PEO top layer increases.
File Format	PDF HTM / HTML
DOI	10.25781/KAUST-L7Z9Y
Alternate Webpage(s)	https://repository.kaust.edu.sa/bitstream/handle/10754/235353/AdekunleOmoniyiThesis.pdf?isAllowed=y&sequence=1
Alternate Webpage(s)	https://doi.org/10.25781/KAUST-L7Z9Y
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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