CO2 utilization through integration of post-combustion carbon capture process with Fischer-Tropsch gas-to-liquid (GTL) processes

Ahmad Rafiee, Mehdi Panahi, Kaveh Rajab Khalilpour

Research output: Contribution to journalArticleResearchpeer-review

17 Citations (Scopus)

Abstract

Carbon capture is addressed as a medium term solution while industry and society are in their path towards future clean energies. However, in the absence of demand market and a revenue source for the recovered almost-pure CO2, the remained option, i.e. storage, does not seem to justify the economic feasibility of this climate change mitigation approach.

In our current integration study, we consider existence of a Fischer-Tropsch Gas-to-liquid (GTL) plant in the vicinity of a fossil-fuel based power plant. The captured CO2 with post-combustion carbon capture technologies is fed into the GTL plants’ reformer, i.e. a steam reformer or an auto-thermal reformer. We have presented a few case-studies based on optimal process simulation in Aspen Hysys software package. Unlike most of the studies, our objective is to maximize the wax production rate as upgrading could be carried out at demand market side. The results for a 300MW coal-fired plant, and a GTL plant with the capacity of one train of Sasol Oryx GTL plant in Qatar show that an auto-thermal reformer (ATR) based GTL process does not have flexibility for CO2 intake, while all of the captured CO2 fed into the steam-methane reformer (SMR) process could be consumed. In summary, one train of Sasol Oryx GTL plant with a SMR reactor can utilize a net quantity of 105.5tonnes-CO2/h with subtracting the purged CO2. The paper provides a detailed optimization-based data.

Original languageEnglish
Pages (from-to)98-106
Number of pages9
JournalJournal of CO2 Utilization
Volume18
DOIs
Publication statusPublished - 1 Mar 2017

Keywords

  • Auto-thermal reformer (ATR)
  • Carbon capture and storage (CCS)
  • CO2 utilization
  • Fischer-Tropsch gas to liquid (GTL)
  • Post-combustion carbon capture (PCC)
  • Steam-methane reformer (SMR)

Cite this

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title = "CO2 utilization through integration of post-combustion carbon capture process with Fischer-Tropsch gas-to-liquid (GTL) processes",
abstract = "Carbon capture is addressed as a medium term solution while industry and society are in their path towards future clean energies. However, in the absence of demand market and a revenue source for the recovered almost-pure CO2, the remained option, i.e. storage, does not seem to justify the economic feasibility of this climate change mitigation approach.In our current integration study, we consider existence of a Fischer-Tropsch Gas-to-liquid (GTL) plant in the vicinity of a fossil-fuel based power plant. The captured CO2 with post-combustion carbon capture technologies is fed into the GTL plants’ reformer, i.e. a steam reformer or an auto-thermal reformer. We have presented a few case-studies based on optimal process simulation in Aspen Hysys software package. Unlike most of the studies, our objective is to maximize the wax production rate as upgrading could be carried out at demand market side. The results for a 300MW coal-fired plant, and a GTL plant with the capacity of one train of Sasol Oryx GTL plant in Qatar show that an auto-thermal reformer (ATR) based GTL process does not have flexibility for CO2 intake, while all of the captured CO2 fed into the steam-methane reformer (SMR) process could be consumed. In summary, one train of Sasol Oryx GTL plant with a SMR reactor can utilize a net quantity of 105.5tonnes-CO2/h with subtracting the purged CO2. The paper provides a detailed optimization-based data.",
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CO2 utilization through integration of post-combustion carbon capture process with Fischer-Tropsch gas-to-liquid (GTL) processes. / Rafiee, Ahmad; Panahi, Mehdi; Khalilpour, Kaveh Rajab.

In: Journal of CO2 Utilization, Vol. 18, 01.03.2017, p. 98-106.

Research output: Contribution to journalArticleResearchpeer-review

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AU - Panahi, Mehdi

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AB - Carbon capture is addressed as a medium term solution while industry and society are in their path towards future clean energies. However, in the absence of demand market and a revenue source for the recovered almost-pure CO2, the remained option, i.e. storage, does not seem to justify the economic feasibility of this climate change mitigation approach.In our current integration study, we consider existence of a Fischer-Tropsch Gas-to-liquid (GTL) plant in the vicinity of a fossil-fuel based power plant. The captured CO2 with post-combustion carbon capture technologies is fed into the GTL plants’ reformer, i.e. a steam reformer or an auto-thermal reformer. We have presented a few case-studies based on optimal process simulation in Aspen Hysys software package. Unlike most of the studies, our objective is to maximize the wax production rate as upgrading could be carried out at demand market side. The results for a 300MW coal-fired plant, and a GTL plant with the capacity of one train of Sasol Oryx GTL plant in Qatar show that an auto-thermal reformer (ATR) based GTL process does not have flexibility for CO2 intake, while all of the captured CO2 fed into the steam-methane reformer (SMR) process could be consumed. In summary, one train of Sasol Oryx GTL plant with a SMR reactor can utilize a net quantity of 105.5tonnes-CO2/h with subtracting the purged CO2. The paper provides a detailed optimization-based data.

KW - Auto-thermal reformer (ATR)

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KW - CO2 utilization

KW - Fischer-Tropsch gas to liquid (GTL)

KW - Post-combustion carbon capture (PCC)

KW - Steam-methane reformer (SMR)

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DO - 10.1016/j.jcou.2017.01.016

M3 - Article

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SP - 98

EP - 106

JO - Journal of CO2 Utilization

JF - Journal of CO2 Utilization

SN - 2212-9820

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