Guest Editor(s)
Prof. Dr. Solmoi Park
Email: solmoipark@skku.edu
Affiliation: School of Civil, Architectural Engineering and Landscape Architecture, Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon, Republic of Korea
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Research Interests: carbonation and CO₂ mineralization of cementitious materials; carbonation curing of cement- and slag-based binders; alkali-activated and low-carbon binders; thermodynamic modelling of cement hydration and carbonation; supplementary cementitious materials and their reactivity; durability and microstructural characterization of carbonated matrices; data-driven and machine-learning approaches for cementitious material design
Summary
Cement and concrete account for roughly 7–8% of global anthropogenic CO₂ emissions, most of it from limestone calcination — a process-inherent source that fuel switching alone cannot remove. Cementitious systems are unusual in that they can also act as a durable CO₂ sink: calcium- and magnesium-bearing phases mineralize CO₂ into stable carbonates, storing carbon while adding value.
Yet CO₂ uptake values are hard to compare across studies, carbonation mechanisms in blended and alkali-activated binders remain unresolved, the durability of carbonated matrices is contested, and scale-up to dilute flue gas with credible life-cycle accounting is unproven.
This Special Issue connects fundamental CO₂ mineralization science with quantified CO₂ reduction at the material, process and system scale. Original research, industrial case studies and critical reviews are welcome.
Suggested themes include, but are not limited to:
• CO₂ mineralization of recycled concrete fines and waste cement paste
• Carbonation curing of precast concrete and masonry units
• CO₂ sequestration in alkaline industrial residues; carbonated aggregates
• CO₂ injection into fresh concrete; carbonatable binders (γ-C₂S, reactive MgO)
• Carbonation of alkali-activated, supersulfated and calcium sulfoaluminate systems
• Mechanisms, kinetics, thermodynamic modelling and microstructural analysis
• Durability of carbonated systems: reinforcement corrosion, pH buffering, shrinkage
• Flue-gas utilization, reactor scale-up, life cycle assessment, industrial demonstration
We look forward to your contributions.
Keywords
CCUS; CO₂ mineralization, carbonation curing, low-carbon concrete, recycled concrete fines, carbonatable binders, CO₂ uptake, alkaline industrial residues, life cycle assessment, cement decarbonization
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