Journal
JOURNAL OF POWER SOURCES
Volume 214, Issue -, Pages 216-219Publisher
ELSEVIER
DOI: 10.1016/j.jpowsour.2012.04.043
Keywords
Microbial carbon capture cell; Immobilized Chlorella vulgaris; Electricity generation enhancement; Microbial fuel cells; CO2 sequestration; Wastewater treatment
Funding
- Fund for the Doctoral Program of Higher Education of China [20110031110025]
- Natural Science Foundation of China [51178225]
- Natural Science Foundation of Tianjin [09JCYBJC08000]
- SRF for ROCS, SEM [2009-1001]
- [NCET-08-0296]
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With the increasing concerns for global climate change, a sustainable, efficient and renewable energy production from wastewater is imperative. In this study, a novel microbial carbon capture cell (MCC), is constructed for the first time by the introduction of immobilized microalgae (Chlorella vulgaris) into the cathode chamber of microbial fuel cells (MFCs) to fulfill the zero discharge of carbon dioxide. This process can achieve an 84.8% COD removal, and simultaneously the maximum power density can reach 2485.35 mW m(-3) at a current density of 7.9 A m(-3) and the Coulombic efficiency is 9.40%, which are 88% and 57.7% greater than that with suspended C. vulgaris, respectively. These enhancements in performance demonstrate the feasibility of an economical and effective approach for the simultaneous wastewater treatment, electricity generation and biodiesel production from microalgae. (C) 2012 Elsevier B.V. All rights reserved.
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