Abstract
The microbial desalination cell (MDC) is a promising technology to desalinate water without electrical energy input. In this study we developed a new configuration of an MDC called a microbial electrodeionization cell (MEDIC) stack using an MDC packed with ion-exchange resins (IERs) to enhance water desalination. Two different volumes (1.5 mL and 2.5 mL) of IERs were tested and compared to a control MDC without resins. The MEDIC reactor with 2.5 mL IER improved desalination performance by ~ 40% using a relatively low-concentration salt solution and produced better quality water than the control MDC, due to the decrease in ohmic resistance by almost 28 Ω and improved cell conductivity. With 2.5 mL of IERs, power density increased by 70% from 0.38 (control MDC) to 0.65 W/m2.These results demonstrated that substantially improved performance can be achieved with an MEDIC reactor compared to conventional MDCs due to the use of IERs.
Original language | English (US) |
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Title of host publication | 86th Annual Water Environment Federation Technical Exhibition and Conference, WEFTEC 2013 |
Publisher | Water Environment Federation |
Pages | 222-227 |
Number of pages | 6 |
ISBN (Electronic) | 9781510870444 |
DOIs | |
State | Published - 2013 |
Event | 86th Annual Water Environment Federation Technical Exhibition and Conference, WEFTEC 2013 - Chicago, United States Duration: Oct 5 2013 → Oct 9 2013 |
Publication series
Name | 86th Annual Water Environment Federation Technical Exhibition and Conference, WEFTEC 2013 |
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Volume | 1 |
Conference
Conference | 86th Annual Water Environment Federation Technical Exhibition and Conference, WEFTEC 2013 |
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Country/Territory | United States |
City | Chicago |
Period | 10/5/13 → 10/9/13 |
Bibliographical note
Funding Information:This work was sponsored by a PhD fellowship, a Global Research Partnership-Collaborative Fellows award (GRP-CF-2011-14-S), KAUST Award KUS-I1-003-13 and discretionary investigator funds at the King Abdullah University of Science and Technology (KAUST).
Publisher Copyright:
Copyright ©2013 Water Environment Federation. All Rights Reserved.
Keywords
- Ion exchange resin
- KEWORDS: Microbial desalination dell
- Water desalination
ASJC Scopus subject areas
- Water Science and Technology
- Ecological Modeling
- Environmental Chemistry
- Pollution
- Waste Management and Disposal