Concrete production is one of the largest sources of carbon dioxide emissions in the world, after transportation and energy. To make the ubiquitous building material more environmentally friendly, the industry has been adding by-products from coal-fired power plants, but doing so had its own problems. Now, researchers at Rice University have developed a new composite binder that can almost completely replace cement and reduce waste from power plants at the same time.
Coal plant waste helps build environmentally-friendly, cementless concrete
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