CarbonCure And Heirloom Partner To Store Carbon In Concrete

CarbonCure & Heirloom Partner To Store Carbon In Concrete - Carbon Herald

CarbonCure Technologies and Heirloom have signed an agreement extending through 2025 to permanently store atmospheric carbon captured by Heirloom’s Direct Air Capture (DAC) technology in concrete utilizing CarbonCure’s CO2 mineralization technologies. 

The agreement advances the DAC-to-concrete storage framework that the two CO2 removal firms showcased at the beginning of 2023. It also provides a readily available storage solution that will allow Heirloom to scale its technology in the upcoming years. 

This February, the two companies, together with concrete producer Central Concrete demonstrated for the first time in history the ability to capture carbon from the atmosphere and permanently store it in concrete. 

The carbon was captured at Heirloom’s DAC plant in Brisbane, CA. Using CarbonCure’s Reclaimed Water Technology, the carbon was permanently embedded in concrete that was then supplied to construction sites across San Jose, CA. The CarbonCure process can store carbon for centuries, ensuring that it will not be returned to ambient air, even if the concrete is destroyed. 

Relevant: CarbonCure, Heirloom And Central Concrete Make Breakthrough In CO2 Removal And Storage

As part of the newly signed agreement, CarbonCure will permanently store captured carbon in nearby concrete sites. Heirloom is now preparing to launch its first commercial plant. In addition to this partnership, the two carbon removal companies are working on an Illinois-based DAC hub following notification of selection by the U.S. Department of Energy (DOE).

“The urgency of deploying and scaling removal technologies becomes more clear with each temperature record that is broken,” said Shashank Samala, CEO of Heirloom. “Working with CarbonCure opens an immediately available, permanent storage pathway that will allow Heirloom to continue scaling our technology today. Being able to immediately move forward with real-world deployments that permanently sequester CO2 will be invaluable as we race to meet the urgency that climate change requires.” 

Heirloom utilizes limestone, which is an abundant, easy-to-source and inexpensive material, to pull carbon from the atmosphere. This August, Heirloom was granted a Notification of Selection by the DOE for their proposal under the Bipartisan Infrastructure Law’s Regional Direct Air Capture (DAC) Hubs program in Louisiana. In September, Heirloom sealed an agreement to provide Microsoft with 315,000 metric tons of CO2 removal, marking one of the most substantial CO2 removal agreements to date.

Read more: Heirloom And Microsoft Ink New Carbon Removal Deal

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