Cement News tagged under: carbon negative concrete

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Biochar used to develop carbon-negative concrete

19 April 2023, Published under Cement News

A viable formula for a carbon-negative, environmentally friendly concrete that is nearly as strong as regular concrete has been developed at Washington State University (WSU). Researchers infused regular cement with environmentally friendly biochar, a type of charcoal made from organic waste, that had been strengthened beforehand with concrete wastewater. The biochar was able to suck up to 23 per cent of its weight in carbon dioxide from the air while still reaching a strength comparable to ...