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Carbon Capture From Natural Gas via Polymeric Membranes

Carbon Capture From Natural Gas via Polymeric Membranes
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Author(s): Nayef Mohamed Ghasem (UAE University, UAE), Nihmiya Abdul Rahim (UAE University, UAE) and Mohamed Al-Marzouqi (UAE University, UAE)
Copyright: 2019
Pages: 15
Source title: Advanced Methodologies and Technologies in Engineering and Environmental Science
Source Author(s)/Editor(s): Mehdi Khosrow-Pour, D.B.A. (Information Resources Management Association, USA)
DOI: 10.4018/978-1-5225-7359-3.ch009

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Abstract

Polymeric membrane is a promising energy and an active alternative for conventional CO2 absorption column. The type of absorption liquid and operating parameters plays an efficient role in the ultimate absorption/stripping performance using gas-liquid membrane contactor. The gas flow rate has a significant effect on CO2 absorption performance; by contrast, it has no effect on stripping performance. Further, the CO2 absorption performance in membrane contactor could be enhanced by high liquid flow rates. The gas-liquid contact time was a key factor in enhancing the stripping flux at low temperature while liquid phase boundary layer thickness and associated mass transfer resistance is important at elevated temperature. By controlling the liquid phase velocity and the length of module at low temperature, better stripping performance can be achieved. The effect of liquid temperature on absorption performance in gas-liquid is not straightforward, since the liquid temperature cooperatively influences several factors.

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