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US 11,945,758 B2Granted
Compositions, methods, and systems related to multi-modal distribution of vaterite particles
AssigneeArelac, Inc.
InventorsCraig W Hargis, Ryan J Gilliam
Life of this patent
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Abstract
Provided herein are compositions, methods, and systems related to bimodal, trimodal, and/or multi-modal distribution of reactive vaterite cement particles.
Claims20
A method of producing a cement composition, comprising:
- (a) dissolving limestone in a N-containing salt solution to produce an aqueous solution comprising calcium salt and a gaseous stream comprising carbon dioxide;
- and (b) treating the aqueous solution comprising calcium salt with the gaseous stream comprising carbon dioxide to form a composition comprising bimodal distribution of reactive vaterite cement comprising reactive vaterite cement A having an average particle size of between about 0.1-10 μm and reactive vaterite cement B having an average particle size of between about 11-50 μm.
Dependencies are inferred from the claim text.