The process of making concrete from sand, gravel, cement and water is irreversible. Or not? A new concrete recycling machine is able to split concrete into sand, gravel and cement that can be reused as separate parts. More than 30% of the cement in concrete never reacts chemically during production and can therefore be used in the production of new concrete. Since the production of cement and concrete causes 6% of global CO2 emissions, this new process can result in a great savings of CO2 emissions. The concrete recycling process enables the reuse of materials and can be carried out at the same costs as traditional processing. In the future it can even become cheaper.

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