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News South Korea investigates low-lime cement for reduced CO₂ emissions

South Korea investigates low-lime cement for reduced CO₂ emissions

Written by Global Cement staff 02 April 2024
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South Korea: A recent study from Daejeon explored the potential of low-lime calcium silicate cement as a low CO₂ emission alternative to Ordinary Portland Cement. Researchers from the Korea Institute of Geoscience and Mineral Resources examined the setting and flow characteristics of a mixture of Ordinary Portland Cement and low-lime calcium silicate cement under carbonation curing conditions. The study was financially supported by the Ministry of Trade, Industry & Energy's industrial strategic technology development programme.

The study aimed to explore the reaction and microstructural characteristics of these cement pastes. The low-lime calcium silicate cement was synthesised using limestone and silica fume, with varying proportions added to the Portland cement pastes. The research findings suggest improvements in compressive strength with the inclusion of 30% or more low-lime calcium silicate cement, highlighting its ability to enhance the durability and sustainability of construction materials.

Last modified on 20 June 2024
Published in Global Cement News
Tagged under
  • South Korea
  • Emissions
  • decarbonisation
  • Ordinary Portland Cement
  • lime
  • Calcium silicate cement
  • Research
  • Study
  • Ministry of Trade, Industry and Energy
  • GCW653
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