The Terra CO2 Solution

Technology

Terra’s core technology is a production process that allows us to convert cheap, abundant, and local feedstocks to cementitious material. We call our basic product “OPUS” as a nod to the chemical similarities of our material and Roman cements, some of which have lasted in concretes for two thousand years. Terra’s OPUS cementitious material is an engineered product with similarities to both natural pozzolan and fly ash. Unlike existing supplementary cementitious materials, OPUS products can be manufactured locally in large quantity, minimizing transportation costs, and allowing reliable supply with strict quality control.

We are one of the first companies to create a solution for economic local manufacturing of alternative cementitious materials.

Advanced Cement Products

The OPUS process is designed with the future in mind. We believe that an efficient transition toward sustainable cement and concrete also means a transition away from the production of conventional limestone-based cements because of their high embodied CO2, which is all released during cement manufacture.

Concrete Testing

OPUS cementitious materials are currently going through the full spectrum of concrete testing required to certify their safe use in commercial concrete construction. Our three main products will be introduced one after the other to support a staged transition to alternative low-CO2 cement. The first product, OPUS SCM, will be available in some markets in late 2022.

Product Roadmap

 

Terra’s cement products will allow lower Portland cement content over time.

Photo in heading block by Mauricio Artieda on Unsplash

How Our Products Compare

  • Feedstock:
    Local materials
    Working Principle:
    Pozzolan
    Process Temperature:
    1,400 °C
    Globally Available:
    Yes
    CO2 Reduction:
    +15%

  • Feedstock:
    Local materials
    Working Principle:
    Proprietary high-volume pozzolan
    Process Temperature:
    1,400 °C
    Globally Available:
    Yes
    CO2 Reduction:
    +40%

  • Feedstock:
    Local materials
    Working Principle:
    Geopolymer
    Process Temperature:
    1,400 °C
    Globally Available:
    Yes
    CO2 Reduction:
    +45%

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