Wenfeng Dong This email address is being protected from spambots. You need JavaScript enabled to view it., Mengxiang Fang, Tao Wang, Fei Liu, Ningtong Yi State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China
Received:
July 3, 2020
Copyright The Author(s). This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cited.
Revised:
September 3, 2020
Accepted:
September 3, 2020
Download Citation:
||https://doi.org/10.4209/aaqr.2020.07.0374
Dong, W., Fang, M., Wang, T., Liu, F. and Yi, N. (2020). CO2 Capture by Using a Membrane-absorption Hybrid Process in the Nature Gas Combined Cycle Power Plants. Aerosol Air Qual. Res. https://doi.org/10.4209/aaqr.2020.07.0374
Cite this article:
The main research objective of this paper was to optimize the design parameters of the hybrid membrane - absorption CO2 capture process in Natural Gas-steam Cycle (NGCC) power plants. To predict the CO2 concentration in permeate gas and required membrane area, a mass transfer calculation model of CO2/N2/H2O separation membrane was established in Aspen plus. Effect of CO2 recovery rate of membrane unit, operating pressure proportion of feed gas pressure over permeate gas pressure and flue gas flow ratio on membrane area, compressor power and solution regeneration duty were studied based on membrane calculation model. The optimal parameter of feed/permeate side pressure ratio and flow ratio are 10:1 and 50% respectively. The solution regeneration duty of hybrid process reduced at over 20.7% than traditional chemical absorption process.HIGHLIGHTS
ABSTRACT
Keywords:
Membrane-absorption process; Mass transfer model; Natural Gas-Steam Combined Cycle power plants; CO2 capture; Monoethanolamine.
