Blue Planet Systems Corporation

Ken Hines

Brent Richard Constantz

Jacob Schneider

Seung-Hee Kang

Christopher L Camire

A negative-carbon footprint concrete composition includes CO-sequestering aggregate that sequesters carbon dioxide (CO) from a COcontaining gas and cementitious material. The negative-carbon footprint concrete composition has a negative carbon footprint relative to an ordinary concrete composition.

Negative carbon footprint concrete composition

A reduced-carbon footprint concrete composition includes CO-sequestering aggregate that sequesters carbon dioxide (CO) from a COcontaining gas and cementitious material. The reduced-carbon footprint concrete composition has a reduced carbon footprint relative to an ordinary concrete composition.

Reduced carbon footprint concrete composition

Methods of sequestering carbon dioxide (CO) are provided. Aspects of the methods include contacting an aqueous capture liquid, such as an aqueous capture ammonia, with a direct air capture (DAC) generated gaseous source of COunder conditions sufficient to produce an aqueous carbonate liquid, such as an aqueous ammonium carbonate. The aqueous carbonate liquid is then combined with a cation source under conditions sufficient to produce a solid COsequestering carbonate. Also provided are systems configured for carrying out the methods.

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Palo Alto, CA, United States of America

Ken Hines