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Changing up the recipe to make low-carbon cement

Ingrid Lobet of Canary Media writes on how one startup is creating low-carbon cement.

The C3 Take
  • Brimstone Energy is a startup that is looking to decarbonize cement by using calcium silicate rocks instead of limestone.
  • Calcium silicate contains no carbon and requires a lower temperature than limestone to extract the calcium and oxygen that are needed to create cement.
  • Introducing new materials into the cement market is difficult, with one report citing “[p]rescriptive standards, outdated or restrictive procurement criteria, and cozy industry relationships” as the reason why.
  • Brimstone Energy is showing that private sector is finding the innovations that are needed to reduce emissions.

“Brimstone Energy is an early-stage startup that’s currently raising money to build a pilot production facility. It raised an initial $2 million starting in 2019 from the U.S. Department of Energy’s Advanced Research Projects Agency–Energy (ARPA-E), the National Science Foundation and a number of other sources.”

Read the full article here.

The views and opinions expressed are those of the author’s and do not necessarily reflect the official policy or position of C3.

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