'Absolute miracle' breakthrough provides recipe for zero-carbon cement
newatlas.com
Concrete and steel production are major sources of CO2 emissions, but a new solution from Cambridge could recycle both at the same time. Throwing old concrete into steel-processing furnaces not only purifies iron but produces “reactivated cement” as a byproduct. If done using renewable energy, the…
The original post: /r/science by /u/chrisdh79 on 2024-05-23 15:50:25.

Original Title: Mixing old concrete into steel-processing furnaces not only purifies iron but produces “reactivated cement” as a byproduct | New research has found the process could make for completely carbon-zero cement.