<p>Mineral carbonation offers durable CO₂ sequestration and pathways to decarbonise cementitious materials. This review systematically compares Ca- and Mg-based precursors in terms of six dimensions: polymorphism, influencing factors, carbonation degree, carbonation products, application and sequestration efficiency. Links between microstructure, mechanical and durability performance, and CO₂ uptake are synthesised. Application windows, energy demands, and future research priorities are outlined to guide multi-scale design of low-carbon, mineralised and resilient cementitious materials.</p>

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Carbonation of Ca–rich and Mg–rich precursor: a comprehensive review, comparisons and future opportunities

  • Shiteng Zhang,
  • Jiarui Liu,
  • Zhongming Xiong,
  • Xuan Chen,
  • Yue Liu,
  • Junjie Zeng,
  • Yan Zhuge

摘要

Mineral carbonation offers durable CO₂ sequestration and pathways to decarbonise cementitious materials. This review systematically compares Ca- and Mg-based precursors in terms of six dimensions: polymorphism, influencing factors, carbonation degree, carbonation products, application and sequestration efficiency. Links between microstructure, mechanical and durability performance, and CO₂ uptake are synthesised. Application windows, energy demands, and future research priorities are outlined to guide multi-scale design of low-carbon, mineralised and resilient cementitious materials.