Performance evaluation of PACT pilot-plant for CO2 capture from gas turbines with exhaust gas recycle

M. Akram; U. Ali; T. Best; S. Blakey; K. N. Finney; M. Pourkashanian

doi:10.1016/j.ijggc.2016.01.047

Performance evaluation of PACT pilot-plant for CO₂ capture from gas turbines with exhaust gas recycle

M. Akram^*, U. Ali, T. Best, S. Blakey, K. N. Finney, M. Pourkashanian

^*Corresponding author for this work

Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

41 Citations (Scopus)

Abstract

Exhaust Gas Recycle (EGR) is one of the technologies used to increase the CO₂ concentration in the gas turbine flue gas. This paper presents the results of an experimental campaign carried out at the Pilot-scale Advanced Capture Technology (PACT) facilities at the UK Carbon Capture and Storage Research Centre (UKCCSRC). A 100 kW_e Turbec T100 PH microturbine was integrated with a post combustion CO₂ capture plant that has a CO₂ capture capacity of one ton per day. The impact of different CO₂ concentrations (representing a range of EGR ratios) on the post-combustion CO₂ capture process was experimentally evaluated using 30% (wt.%) Monoethanolamine (MEA) solvent. It was observed that the specific reboiler duty was reduced by around 7.1% per unit percentage increase in CO₂ concentration. Overall, it was seen that the higher the CO₂ concentration, the lower the specific reboiler duty at a fixed capture rate. Both rich and lean solvent loadings increased with increase in flue gas CO₂ concentration. Energy balance on the stripper has shown that steam generation rate and condenser duty increases with increase in CO₂ concentration. The experimental data was used to develop and validate the model for the Pilot-scale amine capture plant using Aspen HYSYS.

Original language	English
Pages (from-to)	137-150
Number of pages	14
Journal	International Journal of Greenhouse Gas Control
Volume	47
Early online date	12 Feb 2016
DOIs	https://doi.org/10.1016/j.ijggc.2016.01.047
Publication status	Published - Apr 2016

Bibliographical note

Funding Information:
The authors would like to acknowledge the financial support of the UK Engineering and Physical Sciences Research Council (EPSRC) in carrying out this work (EPSRC Gas-FACTS: Gas – Future Advanced Capture Technology Options, EP/J020788/1). The authors would like to acknowledge the UK CCS Research Centre ( www.ukccsrc.ac.uk ) for making their Pilot-scale Advanced Capture Technology (PACT) facilities available for the research. The UKCCSRC is funded by the EPSRC as part of the Research Council UK (RCUK) Energy Programme.

Publisher Copyright:
© 2016 Elsevier B.V., All rights reserved.

Keywords

Exhaust Gas Recycle
Gas turbines
Post-combustion CO capture
Process modelling
Specific reboiler duty

ASJC Scopus subject areas

Pollution
Energy(all)
Industrial and Manufacturing Engineering
Management, Monitoring, Policy and Law

Access to Document

10.1016/j.ijggc.2016.01.047Licence: None: All rights reserved

Cite this

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title = "Performance evaluation of PACT pilot-plant for CO2 capture from gas turbines with exhaust gas recycle",

abstract = "Exhaust Gas Recycle (EGR) is one of the technologies used to increase the CO2 concentration in the gas turbine flue gas. This paper presents the results of an experimental campaign carried out at the Pilot-scale Advanced Capture Technology (PACT) facilities at the UK Carbon Capture and Storage Research Centre (UKCCSRC). A 100 kWe Turbec T100 PH microturbine was integrated with a post combustion CO2 capture plant that has a CO2 capture capacity of one ton per day. The impact of different CO2 concentrations (representing a range of EGR ratios) on the post-combustion CO2 capture process was experimentally evaluated using 30% (wt.%) Monoethanolamine (MEA) solvent. It was observed that the specific reboiler duty was reduced by around 7.1% per unit percentage increase in CO2 concentration. Overall, it was seen that the higher the CO2 concentration, the lower the specific reboiler duty at a fixed capture rate. Both rich and lean solvent loadings increased with increase in flue gas CO2 concentration. Energy balance on the stripper has shown that steam generation rate and condenser duty increases with increase in CO2 concentration. The experimental data was used to develop and validate the model for the Pilot-scale amine capture plant using Aspen HYSYS.",

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author = "M. Akram and U. Ali and T. Best and S. Blakey and Finney, {K. N.} and M. Pourkashanian",

note = "Funding Information: The authors would like to acknowledge the financial support of the UK Engineering and Physical Sciences Research Council (EPSRC) in carrying out this work (EPSRC Gas-FACTS: Gas – Future Advanced Capture Technology Options, EP/J020788/1). The authors would like to acknowledge the UK CCS Research Centre ( www.ukccsrc.ac.uk ) for making their Pilot-scale Advanced Capture Technology (PACT) facilities available for the research. The UKCCSRC is funded by the EPSRC as part of the Research Council UK (RCUK) Energy Programme. Publisher Copyright: {\textcopyright} 2016 Elsevier B.V., All rights reserved.",

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AU - Finney, K. N.

AU - Pourkashanian, M.

N1 - Funding Information: The authors would like to acknowledge the financial support of the UK Engineering and Physical Sciences Research Council (EPSRC) in carrying out this work (EPSRC Gas-FACTS: Gas – Future Advanced Capture Technology Options, EP/J020788/1). The authors would like to acknowledge the UK CCS Research Centre ( www.ukccsrc.ac.uk ) for making their Pilot-scale Advanced Capture Technology (PACT) facilities available for the research. The UKCCSRC is funded by the EPSRC as part of the Research Council UK (RCUK) Energy Programme. Publisher Copyright: © 2016 Elsevier B.V., All rights reserved.

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