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US 2025/0214873 A1Published application
Method for removing carbon dioxide
AssigneeCarbon Blue Ltd.
InventorsDan DEVIRI, Iddo Mehnashe TSUR, Uri KELLY
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Abstract
The present disclosure generally relates to field of carbon dioxide isolation and capture.
Claims29
A method for removing carbon dioxide (CO2), the method comprising the step of:
- (I) providing carbonated water from a natural or unnatural carbonated water source, wherein the carbonated water comprises an inorganic carbonated species selected from the group consisting of:
- CO2, H2CO3, HCO3− and a combination thereof, at a first concentration, and wherein the carbonated water has pH of no more than 11 and an initial alkalinity;
- (II) providing a carbon dioxide scavenger;
- (III) contacting the carbonated water with the carbon dioxide scavenger to form a solid water-insoluble scavenged carbon species and decarbonated water;
- (IV) isolating the scavenged carbon species from the decarbonated water, wherein the decarbonated water has final alkalinity, which is in the range of 75% to 125% of the initial alkalinity;
- (V) transferring the decarbonated water to the natural or unnatural carbonated water source;
- (VI) dissociating the scavenged carbon species to form carbon dioxide and a decarbonated solid material;
- and
- (VII) capturing the carbon dioxide formed in step (VI).
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Dependencies are inferred from the claim text.