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US 2026/0209117 A1Published application
Additive for blended cement compositions, cement produced therefrom and methods related thereto
AssigneeCarbon Capture Machine (UK) Limited
InventorsMohammed S. Imbabi, Fredrik P. Glasser, Lewis McDonald
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Abstract
The present invention relates to a cement additive for use in a blended cement composition, the additive comprising a precipitated calcium carbonate formed from mineral sequestration of carbon dioxide.
Claims15
A method of changing the mineralogy of a blended cement composition, the method comprising:
- forming a precipitated calcium carbonate from mineral sequestration of carbon dioxide thereby producing amorphous calcium carbonate;
- introducing the amorphous calcium carbonate to the blended cement composition, the blended cement comprising Portland cement and the precipitated calcium carbonate in the range 1 to 25 wt. %;
- and
- forming tilleyite and scawtite at ambient temperature.
1 more element
A cement additive for use in a blended cement composition, the additive comprising a precipitated calcium carbonate formed from mineral sequestration of carbon dioxide.
Dependencies are inferred from the claim text.