Performance evaluation of PACT Pilot-plant for CO 2 capture from gas turbines with Exhaust Gas Recycle

Akram, Muhammad; Ali, Usman; Best, Thom; Blakey, Simon; Finney, Karen N.; Pourkashanian, Mohamed

doi:10.1016/j.ijggc.2016.01.047

Cited by 57 publications

(49 citation statements)

References 32 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Also the drop in specific reboiler duty was observed experimentally for the similar pilot-scale CO 2 capture plant (Akram et al, 2016;Akram et al, 2015). The drop of 7.1 % per unit percentage increase in CO 2 concentration was observed when the CO 2 concentration was increased from 5.5 to 9.9 mol% (Akram et al, 2016). Similarly, the drop of 7.5 % per unit percentage decrease in the CO 2 concentration was observed when the CO 2 concentration was increased from 4.5 to 11.5 mol% (Akram et al, 2015).…”

mentioning

confidence: 58%

“…Therefore, the higher CO 2 partial pressure results in a higher driving force with a higher CO 2 loading in the solvent, hence favouring the capture reaction (Li et al, 2011a). Since, the present pilot-scale CO 2 capture facility is of 8 m packing height with a random type packing, the specific reboiler duty estimated for such a low range of the CO 2 concentration is the same as that predicted in the literature (Akram et al, 2016;Akram et al, 2015; Mangalapally et al, 2009; Morken et al, 2014; Notz et al, 2012; Thimsen et al, 2014) for similar kinds of facilities, but keeping in mind their variable operating conditions including the L/G ratio, packing height, absorber inlet temperatures, lean solvent loading and strength and stripper pressure.With the increase in CO 2 composition, amine loading increases and also the difference between rich and lean loading increases. This indicates that the amount of the CO 2 absorbed also increases.…”

mentioning

confidence: 59%

“…This results in a drop of 5.9 % in the specific reboiler duty per unit percentage increase in CO 2 concentration, based on a linear fit equation. Also the drop in specific reboiler duty was observed experimentally for the similar pilot-scale CO 2 capture plant (Akram et al, 2016;Akram et al, 2015). The drop of 7.1 % per unit percentage increase in CO 2 concentration was observed when the CO 2 concentration was increased from 5.5 to 9.9 mol% (Akram et al, 2016).…”

mentioning

confidence: 60%

“…The plant is equipped with thorough instrumentation to record the performance of the plant. More details can be found in the literature (Akram et al, 2016).…”

Section: Process Descriptionmentioning

confidence: 99%

“…The plant is equipped with thorough instrumentation to record the performance of the plant. More details can be found in the literature (Akram et al, 2016).The flue gas enters the bottom of the absorber in which it interacts with the amine solvent flowing down from the top. The treated gas is washed-off of any traces of the amine solvent in the water wash column before emitting it to the atmosphere.…”

mentioning

confidence: 99%

See 4 more Smart Citations

Effect of the CO2 enhancement on the performance of a micro gas turbine with a pilot-scale CO2 capture plant

Ali

Hughes

Ingham

et al. 2017

Chemical Engineering Research and Design

View full text Add to dashboard Cite

ReuseUnless indicated otherwise, fulltext items are protected by copyright with all rights reserved. The copyright exception in section 29 of the Copyright, Designs and Patents Act 1988 allows the making of a single copy solely for the purpose of non-commercial research or private study within the limits of fair dealing. The publisher or other rights-holder may allow further reproduction and re-use of this version -refer to the White Rose Research Online record for this item. Where records identify the publisher as the copyright holder, users can verify any specific terms of use on the publisher's website. TakedownIf you consider content in White Rose Research Online to be in breach of UK law, please notify us by emailing eprints@whiterose.ac.uk including the URL of the record and the reason for the withdrawal request.Effect of the CO 2 enhancement on the performance of a micro gas turbine with a pilot-scale CO 2 Highlights: A validated process model of the micro gas turbine is presented.  A validated CO 2 injected micro gas turbine model is presented.  EGR is evaluated as mean to enhance the CO 2 content and reduce amount of flue gas.  Effect of CO 2 enrichment on the pilot-scale CO 2 capture plant is evaluated.  Effect of CO 2 enrichment on the thermodynamic properties of turbo machinery is assessed. AbstractGas turbines are a viable and secure option both economically and environmentally for combined heat and power generation. Process modelling of a micro gas turbine for CO 2 injection and exhaust gas recirculation (EGR) is performed. Further, this study is extended to assess the effect of the CO 2 injection on the pilot-scale CO 2 capture plant integrated with a micro gas turbine. In addition, the impact of the EGR on the thermodynamic properties of the fluid at different locations of the micro gas turbine is also evaluated. The micro gas turbine and CO 2 injection models are validated against the set of experimental data and the performance analysis of the EGR cycle results in CO 2 enhancement to 5.04 mol% and 3.5 mol%, respectively. The increased CO 2 concentration in the flue gas, results in the specific reboiler duty decrease by 20.5 % for pilot-scale CO 2 capture plant at 90 % CO 2 capture rate for 30 wt. % MEA aqueous solution. The process system analysis for the validated models results in a much better comprehension of the impact of the CO 2 enhancement on the process behaviour.Keywords: Micro gas turbine; Process modelling; CO 2 injection; Exhaust gas recirculation; Specific reboiler duty. Nomenclature IntroductionThe energy trend across the globe is changing due to the overwhelming concern regarding emission of greenhouse gases from the power generation sector (IEA, 2012). The contribution of the conventional power generation system, including coal-and natural gas-power generation, is in the gradual transition stage towards more sustainable systems, as towards low or zero carbon emission emitters. However, natural gas-fired power plants are a secure and viable option both economically and e...

show abstract

mentioning

confidence: 58%

mentioning

confidence: 59%

mentioning

confidence: 60%

“…The plant is equipped with thorough instrumentation to record the performance of the plant. More details can be found in the literature (Akram et al, 2016).…”

Section: Process Descriptionmentioning

confidence: 99%

mentioning

confidence: 99%

See 3 more Smart Citations

Effect of the CO2 enhancement on the performance of a micro gas turbine with a pilot-scale CO2 capture plant

Ali

Hughes

Ingham

et al. 2017

Chemical Engineering Research and Design

View full text Add to dashboard Cite

show abstract

Techno‐economic assessment on the fuel flexibility of a commercial scale combined cycle gas turbine integrated with a CO ₂ capture plant

et al. 2020

View full text Add to dashboard Cite

Making gas‐CCS a commercial reality: The challenges of scaling up

et al. 2017

View full text Add to dashboard Cite

Significant reductions in CO 2 emissions are required to limit the global temperature rise to 2°C. Carbon capture and storage (CCS) is a key enabling technology that can be applied to power generation and industrial processes to lower their carbon intensity. There are, however, several challenges that such a method of decarbonization poses when used in the context of natural gas (gas-CCS), especially for solvent-based (predominantly amines) post-combustion capture. These are related to: (i) the low CO 2 partial pressure of the exhaust gases from gas-fired power plants (ß3-4%vol. CO 2 ), which substantially limits the driving force for the capture process; (ii) their high O 2 concentration (ß12-13%vol. O 2 ), which can degrade the capture media via oxidative solvent degradation; and (iii) their high volumetric flow rates, which means large capture plants are needed. Such post-combustion gas-CCS features unavoidably lead to increased CO 2 capture costs. This perspective aims to summarize the key technologies used to overcome these as a priority, including supplementary firing, humidified systems, exhaust gas recirculation and selective exhaust gas recirculation. These focus on the maximum CO 2 levels achievable for each, as well as the electrical efficiencies attainable when the capture penalty is taken into account. Oxy-turbine cycles are also discussed as an alternative to post-combustion gas-CCS, indicating the main advantages and limitations of these systems together with the expected electrical efficiencies. Furthermore, we consider the challenges for scaling-up and deployment of these technologies at a commercial level to enable gas-CCS to play a crucial role in a low-carbon future. C

show abstract

Performance evaluation of PACT Pilot-plant for CO 2 capture from gas turbines with Exhaust Gas Recycle

Cited by 57 publications

References 32 publications

Effect of the CO2 enhancement on the performance of a micro gas turbine with a pilot-scale CO2 capture plant

Effect of the CO2 enhancement on the performance of a micro gas turbine with a pilot-scale CO2 capture plant

Techno‐economic assessment on the fuel flexibility of a commercial scale combined cycle gas turbine integrated with a CO ₂ capture plant

Making gas‐CCS a commercial reality: The challenges of scaling up

Contact Info

Product

Resources

About

Performance evaluation of PACT Pilot-plant for CO 2 capture from gas turbines with Exhaust Gas Recycle

Cited by 57 publications

References 32 publications

Effect of the CO2 enhancement on the performance of a micro gas turbine with a pilot-scale CO2 capture plant

Effect of the CO2 enhancement on the performance of a micro gas turbine with a pilot-scale CO2 capture plant

Techno‐economic assessment on the fuel flexibility of a commercial scale combined cycle gas turbine integrated with a CO 2 capture plant

Making gas‐CCS a commercial reality: The challenges of scaling up

Contact Info

Product

Resources

About

Techno‐economic assessment on the fuel flexibility of a commercial scale combined cycle gas turbine integrated with a CO ₂ capture plant