Low-Carbon Construction

Cement production is a major source of carbon dioxide, accounting for 8% of total global emissions. Such emissions are projected to rise, as the demand for infrastructure increases with a growing world population.

How does cement produce carbon dioxide?

Cement is produced by heating limestone in kilns at extremely high temperatures, a process that is both energy and carbon intensive. Carbon dioxide is generated from two sources: (1) from the combustion of fossil fuels needed to generate the high temperatures and (2) from the chemical process itself of limestone being converted into cement.

How can biocarbon help?

Replacing a portion of the cement in the concrete with sustainably-produced biocarbon is a promising solution that can not only help “lock” atmospheric carbon into building materials but can also help the cement sector reduce its carbon emissions.

The production of biocarbon is a carbon-negative process that locks or sequesters more carbon than it emits. Replacing a portion of the cement with biocarbon helps reduce total emissions and can also provide additional benefits, such as lower weight and improved flexural strength, compressive strength, and sound absorption qualities.

Carbon Lock Tech is working in partnership with cement producers, concrete companies, and RRC Polytech to research the use of biocarbon in concrete. Results to date are promising.

Learn more