Does producing concrete use fossil fuels? Not for energy, but in the actual chem... | Hacker News

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		stavros on July 10, 2020 \| parent \| context \| favorite \| on: Spreading rock dust on fields could remove vast am... Does producing concrete use fossil fuels? Not for energy, but in the actual chemical process, like plastic does.

Bjartr on July 14, 2020 [–]

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_P...

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