Rapid Complete Carbonation in Porous Cement Building Products

9 Pages Posted: 7 Jul 2022

Date Written: Jan 28, 2022

Abstract

Porous cement blocks with an embedded air tube were submerged in water with high calcium content, air was continuously pumped through the hose. Within 7 days carbonation was complete, recapturing all CO2 produced during manufacture in the decarbonation of limestone. The resulting block was 150% higher compressive strength. This method is used to prototype a building product in which cast cement structures sequester CO2 from the air.

Keywords: CO2, CO2, sequestration, carbon sequestration, climate change

Suggested Citation

Bell, Alex, Rapid Complete Carbonation in Porous Cement Building Products (Jan 28, 2022). Available at SSRN: https://ssrn.com/abstract=4148065 or http://dx.doi.org/10.2139/ssrn.4148065

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