Carbon dioxide is emitted as a by-product of clinker production, an intermediate product in cement manufacture, in which calcium carbonate (CaCO3) is calcinated

Carbon dioxide is emitted as a by-product of clinker production, an intermediate product in cement manufacture, in which calcium carbonate (CaCO3) is calcinated and converted to lime (CaO), the primary component of cement.[1] [1] https://www.ipcc-nggip.iges.or.jp/public/gp/bgp/3_1_Cement_Production.pdf https://www.ipcc-nggip.iges.or.jp/public/gp/bgp/3_1_Cement_P...