Design and operation of pilot plant for CO2 capture from IGCC flue gases by combined cryogenic and hydrate method

This project is a trial conducted under contract with CO2CRC, Australia of a new CO2 capture technology that can be applied to integrated gasification combined cycle power plants and other industrial gasification facilities. The technology is based on combination of two low temperature processes, na...

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Main Authors: Surovtseva, Daria, Amin, Robert, Barifcani, Ahmed
Format: Journal Article
Published: Institute of Chemical Engineers (IchemE), Elsevier B.V. 2011
Online Access:http://hdl.handle.net/20.500.11937/13820
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author Surovtseva, Daria
Amin, Robert
Barifcani, Ahmed
author_facet Surovtseva, Daria
Amin, Robert
Barifcani, Ahmed
author_sort Surovtseva, Daria
building Curtin Institutional Repository
collection Online Access
description This project is a trial conducted under contract with CO2CRC, Australia of a new CO2 capture technology that can be applied to integrated gasification combined cycle power plants and other industrial gasification facilities. The technology is based on combination of two low temperature processes, namely cryogenic condensation and the formation of hydrates, to remove CO2 from the gas stream. The first stage of this technology is condensation at −55 °C where CO2 concentration is expected to be reduced by up to 75 mol%. Remaining CO2 is captured in the form of solid hydrate at about 1 °C reducing CO2 concentration down to 7 mol% using hydrate promoters. This integrated cryogenic condensation and CO2 hydrate capture technology hold promise for greater reduction of CO2 emissions at lower cost and energy demand. Overall, the process produced gas with a hydrogen content better than 90 mol%. The concentrated CO2 stream was produced with 95–97 mol% purity in liquid form at high pressure and is available for re-use or sequestration. The enhancement of carbon dioxide hydrate formation and separation in the presence of new hydrate promoter is also discussed. A laboratory scale flow system for the continuous production of condensed CO2 and carbon dioxide hydrates is also described and operational details are identified.
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spelling curtin-20.500.11937-138202017-09-13T16:07:46Z Design and operation of pilot plant for CO2 capture from IGCC flue gases by combined cryogenic and hydrate method Surovtseva, Daria Amin, Robert Barifcani, Ahmed This project is a trial conducted under contract with CO2CRC, Australia of a new CO2 capture technology that can be applied to integrated gasification combined cycle power plants and other industrial gasification facilities. The technology is based on combination of two low temperature processes, namely cryogenic condensation and the formation of hydrates, to remove CO2 from the gas stream. The first stage of this technology is condensation at −55 °C where CO2 concentration is expected to be reduced by up to 75 mol%. Remaining CO2 is captured in the form of solid hydrate at about 1 °C reducing CO2 concentration down to 7 mol% using hydrate promoters. This integrated cryogenic condensation and CO2 hydrate capture technology hold promise for greater reduction of CO2 emissions at lower cost and energy demand. Overall, the process produced gas with a hydrogen content better than 90 mol%. The concentrated CO2 stream was produced with 95–97 mol% purity in liquid form at high pressure and is available for re-use or sequestration. The enhancement of carbon dioxide hydrate formation and separation in the presence of new hydrate promoter is also discussed. A laboratory scale flow system for the continuous production of condensed CO2 and carbon dioxide hydrates is also described and operational details are identified. 2011 Journal Article http://hdl.handle.net/20.500.11937/13820 10.1016/j.cherd.2010.08.016 Institute of Chemical Engineers (IchemE), Elsevier B.V. restricted
spellingShingle Surovtseva, Daria
Amin, Robert
Barifcani, Ahmed
Design and operation of pilot plant for CO2 capture from IGCC flue gases by combined cryogenic and hydrate method
title Design and operation of pilot plant for CO2 capture from IGCC flue gases by combined cryogenic and hydrate method
title_full Design and operation of pilot plant for CO2 capture from IGCC flue gases by combined cryogenic and hydrate method
title_fullStr Design and operation of pilot plant for CO2 capture from IGCC flue gases by combined cryogenic and hydrate method
title_full_unstemmed Design and operation of pilot plant for CO2 capture from IGCC flue gases by combined cryogenic and hydrate method
title_short Design and operation of pilot plant for CO2 capture from IGCC flue gases by combined cryogenic and hydrate method
title_sort design and operation of pilot plant for co2 capture from igcc flue gases by combined cryogenic and hydrate method
url http://hdl.handle.net/20.500.11937/13820