Minus Materials

Bio-renewable carbon-negative limestone for decarbonization of portland cement

Team

Wil Srubar

CEO & CTO

Danielle Beatty

Co-Founder

Sarah Williams

Co-Founder

Company details

More info at the IndieBio website

Minus Materials grows carbon-negative, biorenewable limestone – the main feedstock for portland cement manufacturing – using calcifying microalgae called coccolithophores. Our solution yields a 60% reduction in CO2 emissions without changing anything else in the process, and it can be stacked with green clinkering and carbon capture utilization and storage technologies to produce carbon-negative cement.

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