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Water 2015, 7(1), 38-50; doi:10.3390/w7010038

When Bioelectrochemical Systems Meet Forward Osmosis: Accomplishing Wastewater Treatment and Reuse through Synergy

1
Department of Civil and Environmental Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA
2
Department of Chemical Engineering, College of Engineering, Qatar University, P.O. Box 2713 Doha, Qatar
*
Authors to whom correspondence should be addressed.
Academic Editors: Andreas N. Angelakis, Shane A. Snyder and Irene G. Xagoraraki
Received: 20 October 2014 / Accepted: 5 December 2014 / Published: 23 December 2014
(This article belongs to the Special Issue Wastewater Treatment and Reuse)
View Full-Text   |   Download PDF [291 KB, uploaded 9 June 2015]   |  

Abstract

Bioelectrochemical systems (BES) and forward osmosis (FO) are two emerging technologies with great potential for energy-efficient water/wastewater treatment. BES takes advantage of microbial interaction with a solid electron acceptor/donor to accomplish bioenergy recovery from organic compounds, and FO can extract high-quality water driven by an osmotic pressure. The strong synergy between those two technologies may complement each other and collaboratively address water-energy nexus. FO can assist BES with achieving water recovery (for future reuse), enhancing electricity generation, and supplying energy for accomplishing the cathode reactions; while BES may help FO with degrading organic contaminants, providing sustainable draw solute, and stabilizing water flux. This work has reviewed the recent development that focuses on the synergy between BES and FO, analyzed the advantages of each combination, and provided perspectives for future research. The findings encourage further investigation and development for efficient coordination between BES and FO towards an integrated system for wastewater treatment and reuse. View Full-Text
Keywords: bioelectrochemical systems; microbial fuel cells; microbial electrolysis cells; microbial desalination cells; forward osmosis; wastewater treatment and reuse; bioenergy; draw solution bioelectrochemical systems; microbial fuel cells; microbial electrolysis cells; microbial desalination cells; forward osmosis; wastewater treatment and reuse; bioenergy; draw solution
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Lu, Y.; Qin, M.; Yuan, H.; Abu-Reesh, I.M.; He, Z. When Bioelectrochemical Systems Meet Forward Osmosis: Accomplishing Wastewater Treatment and Reuse through Synergy. Water 2015, 7, 38-50.

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