Method for carbon dioxide capture and sequestration using alkaline industrial wastes
Abstract
A method of sequestering gaseous carbon dioxide in which an oxide is carbonated by contacting it with a first aqueous carbonate solution to convert a portion of the oxide into a carbonate, which precipitates from solution. By converting the oxide to a solid carbonate, the CO2 from the first carbonate solution is sequestered into the precipitate. At the same time, an aqueous hydroxide solution is formed. The aqueous hydroxide solution is contacted with gaseous carbon dioxide which sequesters the gaseous CO2 into a second aqueous carbonate solution. The second solution so generated is then recycled back into the process and used to convert the oxide into the precipitated carbonate.
- Inventors:
- Issue Date:
- Research Org.:
- Univ. of Wisconsin, Madison, WI (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1987059
- Patent Number(s):
- 11559767
- Application Number:
- 17/318,424
- Assignee:
- Wisconsin Alumni Research Foundation (Madison, WI)
- DOE Contract Number:
- FE0031705
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 05/12/2021
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Wang, Bu, and Ragipani, Raghavendra. Method for carbon dioxide capture and sequestration using alkaline industrial wastes. United States: N. p., 2023.
Web.
Wang, Bu, & Ragipani, Raghavendra. Method for carbon dioxide capture and sequestration using alkaline industrial wastes. United States.
Wang, Bu, and Ragipani, Raghavendra. Tue .
"Method for carbon dioxide capture and sequestration using alkaline industrial wastes". United States. https://www.osti.gov/servlets/purl/1987059.
@article{osti_1987059,
title = {Method for carbon dioxide capture and sequestration using alkaline industrial wastes},
author = {Wang, Bu and Ragipani, Raghavendra},
abstractNote = {A method of sequestering gaseous carbon dioxide in which an oxide is carbonated by contacting it with a first aqueous carbonate solution to convert a portion of the oxide into a carbonate, which precipitates from solution. By converting the oxide to a solid carbonate, the CO2 from the first carbonate solution is sequestered into the precipitate. At the same time, an aqueous hydroxide solution is formed. The aqueous hydroxide solution is contacted with gaseous carbon dioxide which sequesters the gaseous CO2 into a second aqueous carbonate solution. The second solution so generated is then recycled back into the process and used to convert the oxide into the precipitated carbonate.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2023},
month = {1}
}
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