New carbon-negative material could make concrete and cement more sustainable
Researchers injected CO2 gas into seawater while applying an electrical current. The process transformed dissolved ions, minerals in seawater into clusters of solid particles. The clusters hold over half their weight in CO2 to become a carbon sink. Material could replace sand in concrete and be used in other construction materials while trapping CO2.
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Researchers injected CO2 gas into seawater while applying an electrical current. The process transformed dissolved ions, minerals in seawater into clusters of solid particles. The clusters hold over half their weight in CO2 to become a carbon sink. Material could replace sand in concrete and be used in other construction materials while trapping CO2.
