DOI QR코드

DOI QR Code

Analysis of Carbonation Mineral Phase and Compressive Strength according to CO2 Curing of Calcium Silicate Cement

칼슘 실리케이트 시멘트의 CO2 양생에 따른 탄산화 광물상 및 압축강도 분석

  • Lee, Hyang-Sun (Carbon Neutral Materials Center, Korea Institute of Ceramic Engineering and Technology) ;
  • Song, Hun (Carbon Neutral Materials Center, Korea Institute of Ceramic Engineering and Technology)
  • 이향선 (한국세라믹기술원 탄소중립소재센터) ;
  • 송훈 (한국세라믹기술원 탄소중립소재센터)
  • Received : 2023.03.20
  • Accepted : 2023.09.13
  • Published : 2023.10.30

Abstract

The cement industry is responsible for approximately 10% of greenhouse gas (GHG) emissions in the industrial sector, with most emissions occurring during the cement clinker production process. To address this issue, the cement industry is making efforts to reduce GHG emissions by developing technologies such as raw material substitution, improving process efficiency using new low-carbon heat sources, and employing CO2 capture and utilization techniques. This study conducted foundational experiments to contribute to the reduction of CO2 emissions in the cement industry by utilizing a CO2 recycling technology called mineral carbonation. In this study, calcium silicate cement(CSC) was manufactured at the laboratory scale to convert CO2 into a mineral form, and analysis was performed on the carbonate mineral phase and strength development. The manufacturing and analysis results of CSC clinker confirmed the formation of key minerals, namely wollastonite and rankinite. Furthermore, through CO2 curing of CSC, carbonate minerals including calcite and aragonite were formed. The compressive strength measurements of carbonated CSC paste specimens confirmed the development of strength. In conclusion, this study demonstrates the feasibility of CSC production and the manifestation of compressive strength through CO2 generation, contributing to the potential reduction of CO2 emissions in the cement industry.

Keywords

Acknowledgement

이 연구는 2023년도 정부(산업자원통상부)의 지원으로 수행되었음(과제번호 RS-2022-00155521).

References

  1. Hwang JH., Ji HU., & Thao NH. (2010). Review of CO2 undersea storage technology and research on environmental impact technology. Korean Society of Coastal Ocean Engineers, 3(2). 13-27.
  2. Kim, HH., Bae, JH., & Jung, JY. (2018). CO2 capture, storage and utilization technologies. KISTEP Technical Trend Brief, 2018-06, 3.
  3. Kim HS., Chae SH., An JW., & Jang YN. (2009). CO2 immobilization technology by mineral carbonation. The mineralogical Society of Korea. Mineral science and industry, 22(1), 71-85.
  4. Lee, HS., & Song, H. (2022). Component and phase analysis of calcium silicate cement clinker by raw materials mix design. The Korea Institute of Building Construction, 22(3). 251-258
  5. Ministry of Environment. (2022). National Greenhouse Gas Emissions Estimate of 679.6 Million Tons in 2021. Retrieved August 23, 2022 from http://www.me.go.kr/home/web/board/read.do?menuId=10525&boardMasterId=1&boardCategoryId=39&boardId=1533570
  6. Ministry of Trade, Industry and Energy. (2020). 2050 Carbon Neutral, Participation in Cement Industry!. Retrieved August 29, 2022 from http://www.motie.go.kr/motie/ne/presse/press2/bbs/bbsView.do?bbs_cd_n=81&cate_n=1&bbs_seq_n=163811
  7. Rietveld, H.M. (1969). A profile refinement method for nuclear and magnetic structure. Journal of Applied Crystallography, 2, 65-71 https://doi.org/10.1107/S0021889869006558
  8. Seifritz W. (1990). CO2 disposal by means of silicates. Nature. 345
  9. Verein Deutscher Eisenhuttenleute. (1995). Slag Atlas, 2nd ed. Verlag Stahleisen GmbH Dusseldorf. 359
  10. Song, HJ., Han, SJ., & Wee, JH. (2014). Mineral Carbonation of High Carbon Dioxide Composition Gases Using Pseudowollastonite-distilled Water Suspension. Journal of Korean Society of Environmental Engineers, 36(5). 342-351. https://doi.org/10.4491/KSEE.2014.36.5.342
  11. Warda Ashraf., Jan Olek., & Sada Sahu. (2019). Phase evolution and strength development during carbonation of low-lime calcium silicate cement (CSC). Construction and Building Materials, 210. 473-482. 210
  12. Abass A. Olajire. (2013). A review of mineral carbonation technology in sequestration of CO2. Journal of Petroleum Science and Engineering, 109. 364-392 https://doi.org/10.1016/j.petrol.2013.03.013
  13. Plattenberger, DA., Ling, FT., Tao, Z., Peters, CA., & Clarens, AF. (2018). Calcium Silicate Crystal Structure Impacts Reactivity with CO2 and Precipitate Chemistry. Environmental Science & Technology Letters 2018 5(9). 558-563 https://doi.org/10.1021/acs.estlett.8b00386
  14. Plattenberger, DA., Opila, EJ., Shahsavari, R., & Clarens, AF. (2020). Feasibility of Using Calcium Silicate Carbonation to Synthesize High-Performance and Low-Carbon Cements. ACS Sustainable Chemistry & Engineering 2020 8(14), 5431-5436 https://doi.org/10.1021/acssuschemeng.0c00734
  15. Wang, X., Guo, MZ., & Ling, TC. (2022). Review on CO2 curing of non-hydraulic calcium silicates cements: Mechanism, carbonation and performance. Cement and Concrete Composites, 133. 104641
  16. Huijgen, WJJ., & Comans, RNJ. (2005). Carbon dioxide storage by mineral carbonation. IEA Greenhouse Gas R&D Programme. 2005 Sep 40p. Report No:ECN-C-05-022.
  17. Prigiobbe, V., Hanchen, M., Werner, M., Baciocchi, R., & Mazzotti, M. (2009). Mineral carbonation process for CO2 sequestration. Energy Procedia, 1(1). 4885-4890. https://doi.org/10.1016/j.egypro.2009.02.318