Calculation of greenhouse gas emissions for a carbon recycling system using mineral carbon capture and utilization technology in the cement industry

Yoshito Izumi, Atsushi Iizuka, Hsing Jung Ho

Research output: Contribution to journalArticlepeer-review

Abstract

Cement is widely produced and used. Cement production consumes a significant amount of energy and natural resources, and it accounts for approximately 7% of man-made greenhouse gas (GHG) emissions in CO2-equivalents globally. The cement industry is continually conducting research and development into energy conserving and low-carbon technologies to reduce CO2 emissions. Furthermore, the industry will be at the heart of a carbon recycling system along cement and concrete value chain using newly developed mineral carbon capture and utilization (MCC&U) technology to reduce CO2 emissions substantially during clinker and/or cement production. This paper provides fundamental calculations for the determination of CO2 emissions from the MCC&U technology in the cement industry, which will contribute to the calculation of GHG inventories and life cycle assessments of the system. Demonstration experiments were conducted to develop an accounting formula and clearly determine CO2 emissions for recarbonate utilization as a cement raw material.

Original languageEnglish
Article number127618
JournalJournal of Cleaner Production
Volume312
DOIs
Publication statusPublished - 2021 Aug 20

Keywords

  • CO calculation
  • Carbon recycling
  • Cement and concrete value chain
  • Cement industry
  • Mineral carbon capture and utilization
  • Recarbonate

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Environmental Science(all)
  • Strategy and Management
  • Industrial and Manufacturing Engineering

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