Noosa News
‘High school chemistry’ process to make cement industry carbon-neutral
Researchers say they have developed a process that uses “high school chemistry” that could make the building concrete industry carbon-neutral by recycling the carbon it uses.
At present, many cements used in building concrete are made by heating limestone (calcium carbonate) to more than 1000 degrees.
PhD researcher Olawale Oloye (left) and Professor Anthony O’Mullane have developed a method to capture carbon for use in cement.
The process releases carbon dioxide as a byproduct, with nearly 900 kilograms of the greenhouse gas emitted for over 1000 kilograms of cement produced this way, making the industry a small but significant contributor to global levels of carbon dioxide, contributing about 7 per cent of overall emissions.
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