Researchers have developed a continuous electrochemical reactor that converts limestone and silica into cement precursors at just 60 degrees Celsius. This process allows belite-rich cement to be produced at 650 degrees Celsius, significantly lower than the 1200 degrees required by traditional kilns. When using recycled waste cement as feedstock, the model suggests carbon emissions could drop to 20 kg per ton. The system also generates hydrogen, which can be used to provide the remaining thermal energy needed for production, potentially removing fossil fuels from the process entirely.
