Technical and Environmental Study of Calcium Carbonate Looping versus Oxy-fuel Options for Low CO2 Emission Cement Plants

Angela Rolfe, Y Huang, Martin Haaf, A Pita, Sina Rezvani, A Dave, Neil Hewitt

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The process of cement production emits large amounts of CO2 through both chemical reactions and fossil fuel combustion. Reducing CO2 emissions from the cement industry is becoming a global imperative. This work focuses on the technical and environmental evaluation for the integration of calcium carbonate looping (CCL) and oxy-fuel combustion processes into a cement plant for carbon capture and storage. Three scenarios have been established: 1. the base case cement plant without CO2 capture, 2. Cement plant with integrated CCL and 3. oxy-fuel cement plant. The process models of the CCL capture plant and the oxy-fuel cement plant are developed. To better understand the technical parameters and benefits of each scenario, the ECLIPSE modelling software is used to a technical analysis. Life cycle analysis (LCA) has been conducted using the SimaPro software to determine the environmental impact of the capture technologies.
Technical results showed that the cement plant equipped with the CCL illustrated better performance with specific CO2 emissions avoided of 1.21t CO2/tClinker and the specific primary energy consumption of 2.39 GJ/t CO2 compared with the oxy-fuel cement plant with 0.71t CO2/tClinker and 3.31 GJ/t CO2. The main conclusion indicated that the CCL unit had a lesser environmental impact than the oxy-fuel combustion because of the additional benefit of electricity generation through the heat recovery system.
LanguageEnglish
Pages85-97
Number of pages13
JournalInternational Journal of Greenhouse Gas Control
Volume75
Early online date31 May 2018
DOIs
Publication statusPublished - 31 Aug 2018

Fingerprint

Cement plants
Calcium carbonate
calcium carbonate
cement
combustion
Environmental impact
environmental impact
Cement industry
Carbon capture
software
life cycle analysis
Waste heat utilization
environmental study
Fossil fuels
electricity generation
Life cycle
Chemical reactions
chemical reaction
Cements
fossil fuel

Keywords

  • calcium carbonate looping
  • oxy-fuel combustion
  • carbon capture
  • cement plant
  • technical and life cycle analysis

Cite this

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title = "Technical and Environmental Study of Calcium Carbonate Looping versus Oxy-fuel Options for Low CO2 Emission Cement Plants",
abstract = "The process of cement production emits large amounts of CO2 through both chemical reactions and fossil fuel combustion. Reducing CO2 emissions from the cement industry is becoming a global imperative. This work focuses on the technical and environmental evaluation for the integration of calcium carbonate looping (CCL) and oxy-fuel combustion processes into a cement plant for carbon capture and storage. Three scenarios have been established: 1. the base case cement plant without CO2 capture, 2. Cement plant with integrated CCL and 3. oxy-fuel cement plant. The process models of the CCL capture plant and the oxy-fuel cement plant are developed. To better understand the technical parameters and benefits of each scenario, the ECLIPSE modelling software is used to a technical analysis. Life cycle analysis (LCA) has been conducted using the SimaPro software to determine the environmental impact of the capture technologies.Technical results showed that the cement plant equipped with the CCL illustrated better performance with specific CO2 emissions avoided of 1.21t CO2/tClinker and the specific primary energy consumption of 2.39 GJ/t CO2 compared with the oxy-fuel cement plant with 0.71t CO2/tClinker and 3.31 GJ/t CO2. The main conclusion indicated that the CCL unit had a lesser environmental impact than the oxy-fuel combustion because of the additional benefit of electricity generation through the heat recovery system.",
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Technical and Environmental Study of Calcium Carbonate Looping versus Oxy-fuel Options for Low CO2 Emission Cement Plants. / Rolfe, Angela; Huang, Y; Haaf, Martin; Pita, A; Rezvani, Sina; Dave, A; Hewitt, Neil.

In: International Journal of Greenhouse Gas Control, Vol. 75, 31.08.2018, p. 85-97.

Research output: Contribution to journalArticle

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AU - Rolfe, Angela

AU - Huang, Y

AU - Haaf, Martin

AU - Pita, A

AU - Rezvani, Sina

AU - Dave, A

AU - Hewitt, Neil

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N2 - The process of cement production emits large amounts of CO2 through both chemical reactions and fossil fuel combustion. Reducing CO2 emissions from the cement industry is becoming a global imperative. This work focuses on the technical and environmental evaluation for the integration of calcium carbonate looping (CCL) and oxy-fuel combustion processes into a cement plant for carbon capture and storage. Three scenarios have been established: 1. the base case cement plant without CO2 capture, 2. Cement plant with integrated CCL and 3. oxy-fuel cement plant. The process models of the CCL capture plant and the oxy-fuel cement plant are developed. To better understand the technical parameters and benefits of each scenario, the ECLIPSE modelling software is used to a technical analysis. Life cycle analysis (LCA) has been conducted using the SimaPro software to determine the environmental impact of the capture technologies.Technical results showed that the cement plant equipped with the CCL illustrated better performance with specific CO2 emissions avoided of 1.21t CO2/tClinker and the specific primary energy consumption of 2.39 GJ/t CO2 compared with the oxy-fuel cement plant with 0.71t CO2/tClinker and 3.31 GJ/t CO2. The main conclusion indicated that the CCL unit had a lesser environmental impact than the oxy-fuel combustion because of the additional benefit of electricity generation through the heat recovery system.

AB - The process of cement production emits large amounts of CO2 through both chemical reactions and fossil fuel combustion. Reducing CO2 emissions from the cement industry is becoming a global imperative. This work focuses on the technical and environmental evaluation for the integration of calcium carbonate looping (CCL) and oxy-fuel combustion processes into a cement plant for carbon capture and storage. Three scenarios have been established: 1. the base case cement plant without CO2 capture, 2. Cement plant with integrated CCL and 3. oxy-fuel cement plant. The process models of the CCL capture plant and the oxy-fuel cement plant are developed. To better understand the technical parameters and benefits of each scenario, the ECLIPSE modelling software is used to a technical analysis. Life cycle analysis (LCA) has been conducted using the SimaPro software to determine the environmental impact of the capture technologies.Technical results showed that the cement plant equipped with the CCL illustrated better performance with specific CO2 emissions avoided of 1.21t CO2/tClinker and the specific primary energy consumption of 2.39 GJ/t CO2 compared with the oxy-fuel cement plant with 0.71t CO2/tClinker and 3.31 GJ/t CO2. The main conclusion indicated that the CCL unit had a lesser environmental impact than the oxy-fuel combustion because of the additional benefit of electricity generation through the heat recovery system.

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