University of Sydney researchers successfully create environmentally friendly, carbon dioxide-loaded cement using waste and industrial by-products.

University of Sydney researchers have successfully poured “green” cement – pavement made from a unique mix of fly ash, and waste materials including ground glass and gaseous carbon dioxide.

The trial “eco-pavement” has saved 752kg of sand from being dredged and 327kg of carbon dioxide being emitted into the atmosphere, while its production has saved the equivalent energy of 1,000 cups of coffee or driving a car over 1,800km.

Director of the Waste Transformation Research Hub and School of Chemical and Biomolecular Engineering researcher, Professor Ali Abbas said the cement was designed to counteract the environmental impacts of traditional concrete production.

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