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Energy recovery of ethanolamine in wastewater using an air-cathode microbial fuel cell

Title
Energy recovery of ethanolamine in wastewater using an air-cathode microbial fuel cell
Author
박주양
Keywords
Ethanolamine; Microbial fuel cells; Air-cathode; Ammonia volatilization
Issue Date
2014-11
Publisher
ELSEVIER SCI LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
Citation
INTERNATIONAL BIODETERIORATION & BIODEGRADATION, 권: 95, 페이지: 117-121
Abstract
Ethanolamine (ETA) is widely used as a metal corrosion inhibitor and for CO2 capture. The treatment of ETA in wastewater involves advanced oxidation or electrolysis, which requires excessive energy since it is a not readily biodegradable organic containing amine. In this study, a microbial fuel cell (MFC) for simultaneous ETA degradation and electricity generation was investigated. 80 mL of an air-cathode single-chamber MFC was designed to determine the degradation and by-products formation of ETA and the power density. The reactor was inoculated with return activated sludge taken from a local wastewater treatment plant. This system was able to remove 91% of chemical oxygen demand (COD) and 37% of ammonia when ETA was injected into the MFC. A maximum power density of 240 mW m(-2) (7.65 mW m(-3)) and a Coulombic efficiency of 18.2% were obtained with the ETA-fed MFC. From the results, although further research is required to treat ammonium derived from ETA degradation and to improve the performance of the MFC, it was found that the MFC would be a promising technology for ETA wastewater treatment, as well as electricity production. (C) 2014 Elsevier Ltd. All rights reserved.
URI
https://www.sciencedirect.com/science/article/pii/S0964830514001565?via%3Dihubhttp://hdl.handle.net/20.500.11754/51391
ISSN
0964-8305; 1879-0208
DOI
10.1016/j.ibiod.2014.05.021
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > CIVIL AND ENVIRONMENTAL ENGINEERING(건설환경공학과) > Articles
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