Solar thermal process produces cement with no carbon dioxide emissions | physorg.com

While the largest contributor to anthropogenic greenhouse gas emissions is the power industry, the second largest is the more often overlooked cement industry, which accounts for 5-6% of all anthropogenic CO₂emissions. For every 10 kg of cement produced, the cement industry releases a full 9 kg of CO₂. Since the world consumes about 3 trillion kg of cement annually, this sector has one of the highest potentials for CO₂ emission reductions. But while processes are being explored to sequester the CO₂ from cement production, so far no process can completely eliminate it.