Conversion of saline water and dissolved carbon dioxide into value-added chemicals by electrodialysis
Highlights Simultaneous conversion of carbon dioxide and desalination of waste-water by electrodialysis. Carbon dioxide converted to mineralized form. Development of mathematical model to identify limitations of approach. Abstract We demonstrate a new approach that simultaneously converts dissolved...
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ftutexasriogrand:oai:scholarworks.utrgv.edu:mss_fac-1524 2024-06-16T07:39:22+00:00 Conversion of saline water and dissolved carbon dioxide into value-added chemicals by electrodialysis Dara, Saad Lindstrom, Michael R. English, Joseph Bonakdarpour, Arman Wetton, Brian Wilkinson, David P. 2017-05-01T07:00:00Z https://scholarworks.utrgv.edu/mss_fac/524 https://doi.org/10.1016/j.jcou.2017.03.013 unknown ScholarWorks @ UTRGV https://scholarworks.utrgv.edu/mss_fac/524 doi:10.1016/j.jcou.2017.03.013 https://doi.org/10.1016/j.jcou.2017.03.013 School of Mathematical and Statistical Sciences Faculty Publications and Presentations Electrodialysis Waste water CO2 conversion Mathematics text 2017 ftutexasriogrand https://doi.org/10.1016/j.jcou.2017.03.013 2024-05-20T14:11:03Z Highlights Simultaneous conversion of carbon dioxide and desalination of waste-water by electrodialysis. Carbon dioxide converted to mineralized form. Development of mathematical model to identify limitations of approach. Abstract We demonstrate a new approach that simultaneously converts dissolved carbon dioxide and high salinity waste-water to desalinated water and value-added chemicals in the form of inorganic acids and carbonate salts. A four compartment electrodialysis cell module using anion exchange and cation exchange membranes, and a Pt/Ir-coated Ti anode and Ti mesh cathode was used to produce HCl and NaHCO3 products from CO2 and NaCl feed. Cell operation consisted of feeding the cell with carbonic acid (CO2 dissolved in water) and a saline solution of sodium chloride. Under an applied voltage clear production of inorganic carbon salts and acids was demonstrated. The product fluxes for HCl and NaHCO3 were ∼0.05 mM cm−2 h−1 on average. A mathematical model for this electrodialysis cell configuration was developed to better understand limitations within the cell which are not available from experimental data including concentration profiles within the intra-membrane channels. Text Carbonic acid Scholarworks@UTRGV (The University of Texas RioGrande Valley) Journal of CO2 Utilization 19 177 184 |
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Scholarworks@UTRGV (The University of Texas RioGrande Valley) |
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Electrodialysis Waste water CO2 conversion Mathematics |
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Electrodialysis Waste water CO2 conversion Mathematics Dara, Saad Lindstrom, Michael R. English, Joseph Bonakdarpour, Arman Wetton, Brian Wilkinson, David P. Conversion of saline water and dissolved carbon dioxide into value-added chemicals by electrodialysis |
topic_facet |
Electrodialysis Waste water CO2 conversion Mathematics |
description |
Highlights Simultaneous conversion of carbon dioxide and desalination of waste-water by electrodialysis. Carbon dioxide converted to mineralized form. Development of mathematical model to identify limitations of approach. Abstract We demonstrate a new approach that simultaneously converts dissolved carbon dioxide and high salinity waste-water to desalinated water and value-added chemicals in the form of inorganic acids and carbonate salts. A four compartment electrodialysis cell module using anion exchange and cation exchange membranes, and a Pt/Ir-coated Ti anode and Ti mesh cathode was used to produce HCl and NaHCO3 products from CO2 and NaCl feed. Cell operation consisted of feeding the cell with carbonic acid (CO2 dissolved in water) and a saline solution of sodium chloride. Under an applied voltage clear production of inorganic carbon salts and acids was demonstrated. The product fluxes for HCl and NaHCO3 were ∼0.05 mM cm−2 h−1 on average. A mathematical model for this electrodialysis cell configuration was developed to better understand limitations within the cell which are not available from experimental data including concentration profiles within the intra-membrane channels. |
format |
Text |
author |
Dara, Saad Lindstrom, Michael R. English, Joseph Bonakdarpour, Arman Wetton, Brian Wilkinson, David P. |
author_facet |
Dara, Saad Lindstrom, Michael R. English, Joseph Bonakdarpour, Arman Wetton, Brian Wilkinson, David P. |
author_sort |
Dara, Saad |
title |
Conversion of saline water and dissolved carbon dioxide into value-added chemicals by electrodialysis |
title_short |
Conversion of saline water and dissolved carbon dioxide into value-added chemicals by electrodialysis |
title_full |
Conversion of saline water and dissolved carbon dioxide into value-added chemicals by electrodialysis |
title_fullStr |
Conversion of saline water and dissolved carbon dioxide into value-added chemicals by electrodialysis |
title_full_unstemmed |
Conversion of saline water and dissolved carbon dioxide into value-added chemicals by electrodialysis |
title_sort |
conversion of saline water and dissolved carbon dioxide into value-added chemicals by electrodialysis |
publisher |
ScholarWorks @ UTRGV |
publishDate |
2017 |
url |
https://scholarworks.utrgv.edu/mss_fac/524 https://doi.org/10.1016/j.jcou.2017.03.013 |
genre |
Carbonic acid |
genre_facet |
Carbonic acid |
op_source |
School of Mathematical and Statistical Sciences Faculty Publications and Presentations |
op_relation |
https://scholarworks.utrgv.edu/mss_fac/524 doi:10.1016/j.jcou.2017.03.013 https://doi.org/10.1016/j.jcou.2017.03.013 |
op_doi |
https://doi.org/10.1016/j.jcou.2017.03.013 |
container_title |
Journal of CO2 Utilization |
container_volume |
19 |
container_start_page |
177 |
op_container_end_page |
184 |
_version_ |
1802006082808184832 |