Alkaline cation enrichment and water electrolysis to provide CO2 mineralization and global-scale carbon management
Abstract
Provided herein are methods of removing carbon dioxide from an aqueous stream or gaseous stream by: contacting the gaseous stream comprising carbon dioxide, when present, with an aqueous solution comprising ions capable of forming an insoluble carbonate salt; contacting the aqueous solution comprising carbon dioxide with an electroactive mesh that induces its alkalinization thereby forcing the precipitation of a carbonate solid from the solution and thereby the removal of dissolved inorganic carbon by electrolysis; and removing the precipitated carbonate solids from the solution, or the surface of the mesh where they may deposit. Also provided herein are flow-through electrolytic reactors comprising an intake device in fluid connection with a rotating cylinder comprising an electroactive mesh, and a scraping device and/or liquid-spray based device for separating a solid from the mesh surface.
- Inventors:
- Issue Date:
- Research Org.:
- Univ. of California, Los Angeles, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1924982
- Patent Number(s):
- 11413578
- Application Number:
- 17/408,236
- Assignee:
- The Regents of the University of California (Oakland, CA)
- Patent Classifications (CPCs):
-
B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION
C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01B - NON-METALLIC ELEMENTS
- DOE Contract Number:
- FE0029825; FE0031718
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 08/20/2021
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Sant, Gaurav, La Plante, Erika Callagon, Wang, Jingbo, Jassby, David, Simonetti, Dante, Alturki, Abdulaziz, and Chen, Xin. Alkaline cation enrichment and water electrolysis to provide CO2 mineralization and global-scale carbon management. United States: N. p., 2022.
Web.
Sant, Gaurav, La Plante, Erika Callagon, Wang, Jingbo, Jassby, David, Simonetti, Dante, Alturki, Abdulaziz, & Chen, Xin. Alkaline cation enrichment and water electrolysis to provide CO2 mineralization and global-scale carbon management. United States.
Sant, Gaurav, La Plante, Erika Callagon, Wang, Jingbo, Jassby, David, Simonetti, Dante, Alturki, Abdulaziz, and Chen, Xin. Tue .
"Alkaline cation enrichment and water electrolysis to provide CO2 mineralization and global-scale carbon management". United States. https://www.osti.gov/servlets/purl/1924982.
@article{osti_1924982,
title = {Alkaline cation enrichment and water electrolysis to provide CO2 mineralization and global-scale carbon management},
author = {Sant, Gaurav and La Plante, Erika Callagon and Wang, Jingbo and Jassby, David and Simonetti, Dante and Alturki, Abdulaziz and Chen, Xin},
abstractNote = {Provided herein are methods of removing carbon dioxide from an aqueous stream or gaseous stream by: contacting the gaseous stream comprising carbon dioxide, when present, with an aqueous solution comprising ions capable of forming an insoluble carbonate salt; contacting the aqueous solution comprising carbon dioxide with an electroactive mesh that induces its alkalinization thereby forcing the precipitation of a carbonate solid from the solution and thereby the removal of dissolved inorganic carbon by electrolysis; and removing the precipitated carbonate solids from the solution, or the surface of the mesh where they may deposit. Also provided herein are flow-through electrolytic reactors comprising an intake device in fluid connection with a rotating cylinder comprising an electroactive mesh, and a scraping device and/or liquid-spray based device for separating a solid from the mesh surface.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2022},
month = {8}
}
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