Simulation of an SO<sub>2</sub> Tolerant Amine Based Post-combustion CO<sub>2</sub> Capture Process

Removal of multiple contaminants from flue gas streams in a single process step offers the potential to lower the cost of emissions reduction technologies. An example is the CS-Cap process, developed by CSIRO, which removes both the SO2 and CO2 from combustion flue gases. In order to further develop...

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Main Authors: Ashleigh Cousins, Graeme Puxty, Pauline Pearson, Ralph Weiland, Bharti Garg, Kangkang Li, Vince Verheyen, Paul Feron
Format: Article
Language:English
Published: AIDIC Servizi S.r.l. 2018-10-01
Series:Chemical Engineering Transactions
Online Access:https://www.cetjournal.it/index.php/cet/article/view/9260
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author Ashleigh Cousins
Graeme Puxty
Pauline Pearson
Ralph Weiland
Bharti Garg
Kangkang Li
Vince Verheyen
Paul Feron
author_facet Ashleigh Cousins
Graeme Puxty
Pauline Pearson
Ralph Weiland
Bharti Garg
Kangkang Li
Vince Verheyen
Paul Feron
author_sort Ashleigh Cousins
collection DOAJ
description Removal of multiple contaminants from flue gas streams in a single process step offers the potential to lower the cost of emissions reduction technologies. An example is the CS-Cap process, developed by CSIRO, which removes both the SO2 and CO2 from combustion flue gases. In order to further develop this process, a rate based simulation is required of not only the CO2 capture section, but also the absorption of SO2 into aqueous amine absorbents. ProTreat® simulation software was used to simulate CSIRO’s Loy Yang CO2 capture pilot plant. This pilot plant has previously been used for proof-of-concept operation of the CS-Cap process. The model simulates various scenarios and flue gas conditions to determine the effect on the operating requirements of the SO2 capture stage. It reveals that the recirculating absorbent flow rates required in the SO2 capture loop are of similar magnitude to those required in the CO2 capture stage. Manipulating the operating parameters of the SO2 capture section will affect the properties, particularly sulfate concentration, of the slip stream sent for disposal/treatment. This could potentially allow the properties of the waste stream to be tailored for the particular downstream treatment used. In addition, condensation of water from the inlet flue gas stream is identified as an issue requiring further investigation.
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spelling doaj.art-28d4d89e7d6846188b86b70134bae3b62022-12-21T22:02:53ZengAIDIC Servizi S.r.l.Chemical Engineering Transactions2283-92162018-10-016910.3303/CET1869137Simulation of an SO<sub>2</sub> Tolerant Amine Based Post-combustion CO<sub>2</sub> Capture ProcessAshleigh CousinsGraeme PuxtyPauline PearsonRalph WeilandBharti GargKangkang LiVince VerheyenPaul FeronRemoval of multiple contaminants from flue gas streams in a single process step offers the potential to lower the cost of emissions reduction technologies. An example is the CS-Cap process, developed by CSIRO, which removes both the SO2 and CO2 from combustion flue gases. In order to further develop this process, a rate based simulation is required of not only the CO2 capture section, but also the absorption of SO2 into aqueous amine absorbents. ProTreat® simulation software was used to simulate CSIRO’s Loy Yang CO2 capture pilot plant. This pilot plant has previously been used for proof-of-concept operation of the CS-Cap process. The model simulates various scenarios and flue gas conditions to determine the effect on the operating requirements of the SO2 capture stage. It reveals that the recirculating absorbent flow rates required in the SO2 capture loop are of similar magnitude to those required in the CO2 capture stage. Manipulating the operating parameters of the SO2 capture section will affect the properties, particularly sulfate concentration, of the slip stream sent for disposal/treatment. This could potentially allow the properties of the waste stream to be tailored for the particular downstream treatment used. In addition, condensation of water from the inlet flue gas stream is identified as an issue requiring further investigation.https://www.cetjournal.it/index.php/cet/article/view/9260
spellingShingle Ashleigh Cousins
Graeme Puxty
Pauline Pearson
Ralph Weiland
Bharti Garg
Kangkang Li
Vince Verheyen
Paul Feron
Simulation of an SO<sub>2</sub> Tolerant Amine Based Post-combustion CO<sub>2</sub> Capture Process
Chemical Engineering Transactions
title Simulation of an SO<sub>2</sub> Tolerant Amine Based Post-combustion CO<sub>2</sub> Capture Process
title_full Simulation of an SO<sub>2</sub> Tolerant Amine Based Post-combustion CO<sub>2</sub> Capture Process
title_fullStr Simulation of an SO<sub>2</sub> Tolerant Amine Based Post-combustion CO<sub>2</sub> Capture Process
title_full_unstemmed Simulation of an SO<sub>2</sub> Tolerant Amine Based Post-combustion CO<sub>2</sub> Capture Process
title_short Simulation of an SO<sub>2</sub> Tolerant Amine Based Post-combustion CO<sub>2</sub> Capture Process
title_sort simulation of an so sub 2 sub tolerant amine based post combustion co sub 2 sub capture process
url https://www.cetjournal.it/index.php/cet/article/view/9260
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