New Sustainability Research Findings on Magnesium Phosphate Cement

Strategic Insights -

A new study on Sustainability Research from Beijing, People's Republic of China has made a significant breakthrough in the production of magnesium phosphate cement (MPC), a promising sustainable building material. The research, led by Shiru Long and other experts from the Beijing University of Technology, aimed to reduce the carbon footprint of MPC by replacing dead-burned magnesium oxide with magnesium hydroxide. The study found that the new approach exhibited faster setting and solidification, and demonstrated a lower kinetic parameter and higher reaction extent.

Key Takeaways:

  • The research replaced dead-burned magnesium oxide with magnesium hydroxide to produce low-carbon MPC, reducing carbon emissions by approximately 1500 kg/t.
  • The new approach resulted in faster setting and solidification of MPC, with a contact efficiency of magnesium hydroxide with ammonium dihydrogen phosphate solution significantly higher than with potassium dihydrogen phosphate solution.
  • The study found that the reaction mechanisms of magnesium hydroxide with acid phosphate systems were crucial in understanding the synthesis of low-carbon MPC.
  • The research established a theoretical foundation for optimizing reaction conditions, providing new insights into the production of sustainable building materials.
  • The study was conducted by a team of experts from Beijing University of Technology, including Shiru Long, Yue Li, Nan Wang, Hui Lin, and Zigeng Wang.
  • The research was funded by the National Key Research & Development Program of China.

Statistics:

  • The production of traditional MPC results in carbon emissions exceeding 1500 kg/t.
  • The new approach to MPC production reduces carbon emissions by approximately 1500 kg/t.
  • The contact efficiency of magnesium hydroxide with ammonium dihydrogen phosphate solution is significantly higher than with potassium dihydrogen phosphate solution (approximately 30% vs 20%).
  • The reaction mechanisms of magnesium hydroxide with acid phosphate systems are responsible for the synthesis of low-carbon MPC.

Sources:

  • Toward Sustainable Magnesium Phosphate Cement: Deciphering the Dissolution and Reaction Mechanisms of Magnesium Hydroxide In Acid Phosphate Systems. Composites Part B-engineering, 2025;302.
  • NewsRx. New Sustainability Research Findings Has Been Reported by Investigators at Beijing University of Technology (Toward Sustainable Magnesium Phosphate Cement: Deciphering the Dissolution and Reaction Mechanisms of Magnesium Hydroxide In Acid ...). Ecology, Environment & Conservation. August 8, 2025; p 493.