Enlarge / Some of the waste material that ends up part of these bricks. (credit: Seamus Daniel, RMIT University) Researchers at the Royal Melbourne Institute of Technology (RMIT) in Australia have developed special “energy-smart bricks” that can be made by mixing clay with glass waste and coal ash. These bricks can help mitigate the negative effects of traditional brick manufacturing, an energy-intensive process that requires large-scale clay mining, contributes heavily to CO2 emissions, and generates a lot of air pollution. According to the RMIT researchers, “Brick kilns worldwide consume 375 million tonnes (~340 million metric tons) of coal in combustion annually, which is equivalent to 675 million tonnes of CO2 emission (~612 million metric tons).” This exceeds the combined annual carbon dioxide emissions of 130 million passenger vehicles in the US. The energy-smart bricks rely on a material called RCF waste.
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Ars Contributors, Ars Technica
Tue, 06/25/2024 - 10:34am
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