An Open-Access, Detailed Description of Post-Combustion CO2 Capture Plant

19 Pages Posted: 30 Mar 2021 Last revised: 28 Nov 2022

See all articles by William Elliott

William Elliott

Bechtel National, Inc

August Benz

Private Consultant

Jon Gibbins

University of Sheffield

Stavros Michailos

University of Hull

Date Written: March 29, 2021

Abstract

Bechtel National (Reston, VA) have undertaken a FEED study for retrofitting a 2x2x1 natural gas-fired gas turbine combined cycle power plant with post-combustion carbon capture (PCC) for CO2 storage/utilization. The comprehensive programme of work covers the integration of the retrofitted carbon capture and compression plant to the combined cycle power plant, together with the detailed design of an amine-based conventional absorber-stripper scrubbing system with a non-proprietary solvent, 35% w/w MEA. Supporting studies have analysed options for single- and two-stage thermal reclaiming and also examined discrepancies between process modelling packages and the possible scope for alternative trade-offs between capital and operating costs. Given that modelling alone cannot predict commercially-important factors such as solvent management costs a long-term pilot test programme is strongly recommended, with outline details supplied for pilot size and the testing period.

Keywords: post-combustion capture, amine, engineering, reclaiming

JEL Classification: O, Z

Suggested Citation

Elliott, William and Benz, August and Gibbins, Jon and Michailos, Stavros, An Open-Access, Detailed Description of Post-Combustion CO2 Capture Plant (March 29, 2021). Proceedings of the 16th Greenhouse Gas Control Technologies Conference (GHGT-16) 23-24 Oct 2022, Available at SSRN: https://ssrn.com/abstract=3814671 or http://dx.doi.org/10.2139/ssrn.3814671

William Elliott

Bechtel National, Inc ( email )

August Benz

Private Consultant ( email )

Jon Gibbins (Contact Author)

University of Sheffield ( email )

Sir Frederick Mappin Building
Mappin Street
Sheffield, S1 3JD
United Kingdom

Stavros Michailos

University of Hull ( email )

Cottingham Road
Hull, Great Britain HU6 7RX
United Kingdom

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