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=== Carbon Capture and Utilization ===
AOD slag has shown promising potential for usage as a carbon-capture construction material due to its high capacity for CO2 and its low cost. Carbonation curing, a process utilizing CO2 as a curing agent in concrete manufacturing, enhances the chemical properties of stainless steel slag by stabilizing it. During carbonation, g-C2S (di-calcium silicate) in the slag reacts with CO2 to produce compounds like calcite and silica gel, resulting in increased compressive strength and improved durability of cementitious materials. The incorporation of AOD slag as a replacement material in ordinary Portland cement (OPC) during carbonation curing has been studied, demonstrating positive effects on strength and reduced porosity.<ref>{{cite journal |last1=Moon, Choi |first1=E.-J, Y.C |title=Development of carbon-capture binder using stainless steel argon oxygen decarburization slag activated by carbonation |journal=Journal of Cleaner Production |date=2018 |volume=180 |page=642-654}}</ref>
=== Cementitious Activity and Modifiers ===
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