Indirectly Heated Calcium Carbonate Looping - Reducing CO2 Emissions from Lime Plants. A Techno-economic and Environmental Assessment

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Abstract

Lime plants produce non-avoidable CO2. Calcium carbonate looping carbon capture is used to reduce CO2 emissions from lime plants. Indirectly heated calcium carbonate looping eliminates the air separation unit from the capture process. There are two integration methods considered, tail-end and fully integrated. A techno-economic and environmental assessment has been performed. The tail end case has a larger thermal input but produces more lime and electricity compared to the integrated case, which lowers its break-even selling price. The integrated case has lower project costs and direct CO2 emissions. The capture rate is 90% for the tail-end and 91% for the integrated case.
Original languageEnglish
Title of host publicationEnergy Proceedings
PublisherElsevier
Publication statusAccepted/In press - 16 Jun 2022
Event14th International Conference on Applied Energy -
Duration: 8 Aug 202211 Aug 2022
https://applied-energy.org/icae2022/

Publication series

NameEnergy Proceedings
ISSN (Print)2004-2965

Conference

Conference14th International Conference on Applied Energy
Abbreviated titleICAE2022
Period8/08/2211/08/22
Internet address

Keywords

  • calcium carbonate looping
  • carbon capture
  • indirectly heated
  • techno-economic assessment
  • life cycle assessment

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