Designing new cements for sustainable construction

    • Presentation speakers
      • Zhijun Tan, Post-Doctoral Research Associate, University of Sheffield

    The construction material concrete is the second mostly used commodity in the world, and the cement industry is the most energy-intensive of all manufacturing industries and contributes approximately 5-8% of global carbon dioxide (CO2) emissions. This two characters of cement increasingly raise the question that how to design new cement for sustainable construction. The presentation introduces the features of the newly developed alkali-activated cement from the production process to industrial application. Its advantages in energy efficiency, CO2 savings and better durability based on life-cycle analysis are compared with the counterpart ordinary Portland cement, demonstrating that this new cements can potentially act as a sustainable construction material. In addition, the obstacles to wide adoption of alkali-activated cement in the marketplace are also summarized, giving implications for future academic research and industrial application to tackle the sustainability issues in this field.


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