Capso successfully completed its pilot project for cement CCUS in 2017, achieving record-breaking results.
Cement mineralization utilization from carbon capture is a process that converts captured CO2 into stable mineral forms within cement or cementitious materials. By injecting CO2 into the cement manufacturing process, the gas reacts with minerals to form carbonates, effectively locking the CO2 into a solid state. This not only permanently sequesters the carbon but also enhances the material properties of the cement, offering a dual benefit of reducing industrial carbon emissions while improving construction materials.
In 2017, Capso completed the world's first cement CCUS project that produced food grade CO2 and successfully used it for cement mineralization. The 50,000 tpy CO2 project was completed on a space of 2400 sqm.
Our CO2 cement mineralization methodology was able to consistently achieve a carbon fixation rate of well above 12%.
Cement mineralized with CO2 had strength of over 22mPa. This is an increase of more than 40% in strength compared to conventional cement processes.
Cement that has been mineralized with CO2 had reduced carbonizing curing times of more than 7 hours. This is a reduction of 60% less curing time compared to conventional cement processes.
The CO2 was captured and purified to 99.9% purity from the coal feedstock cement facility, meaning all international food grade standards.
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