Pilot plant launched for process that makes lime sustainably from industrial waste

Calcining limestone (CaCO3) to produce lime (CaO) is a key industrial process for making cement, steel and chemicals, among other uses. Lime production is a target for CO2-abatement efforts because it generates a great deal of CO2 emissions, not only from fossil fuels burned to achieve the high heat required, but also because the reaction releases CO2 as a byproduct. A process now being piloted by CarbonBlue Ltd. offers an alternative route to producing lime via calcination.

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