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US 12,759,932 B2Granted
Methods and systems to capture carbon dioxide emissions
AssigneeArelac, Inc.
InventorsCraig W Hargis, Ryan J Gilliam
Life of this patent
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Abstract
Provided herein are methods and systems to utilize cement or cement clinker as feedstock to capture carbon dioxide emissions and form a composition comprising calcium carbonate.
Claims19
A method to form a composition, comprising:
- (i) dissolving cement and/or cement clinker in N-containing salt solution to produce an aqueous solution comprising calcium salt and form a gaseous stream comprising ammonia;
- and (ii) treating the aqueous solution comprising calcium salt with a gaseous stream comprising carbon dioxide and the gaseous stream comprising ammonia to form a composition comprising calcium carbonate.
Dependencies are inferred from the claim text.