Harnessing solid CO2 in hybrid alkaline cement: Dry ice as a pathway to high-performance and low-emission materials

Key Points

• High-performance and low-emission materials can be developed using dry ice as a carbon source, promoting sustainability in construction.
• The incorporation of solid CO2 enhances hybrid alkaline cement properties, resulting in stronger and more durable materials.
• Assessment using material performance indicators highlights significant gains in durability from the use of dry ice under controlled conditions.
• This innovation suggests potential for reducing carbon emissions in construction, promoting greener building practices.