Electricity Generation and Wastewater Treatment of Oil Refinery in Microbial Fuel Cells Using Pseudomonas putida

doi:10.3390/ijms150916772

CNU IR > College of Smart Living > Dept. of Hotel and Restaurant Management > Periodical Articles > Item 310902800/28557

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题名:	Electricity Generation and Wastewater Treatment of Oil Refinery in Microbial Fuel Cells Using Pseudomonas putida
作者:	Majumder, Dip Maity, Jyoti Prakash Tseng, Min-Jen Nimje, Vanita Roshan Chen, Hau-Ren Chen, Chien-Cheng Chang, Young-Fo Yang, Tsui-Chu Chen, Chen-Yen
贡献者:	餐旅管理系
关键词:	microbial fuel cell oil refinery air-cathode Pseudomonas putida chemical oxygen demand
日期:	2014-09
上传时间:	2015-05-06 21:20:36 (UTC+8)
出版者:	Mdpi Ag
摘要:	Microbial fuel cells (MFCs) represent a novel platform for treating wastewater and at the same time generating electricity. Using Pseudomonas putida (BCRC 1059), a wild-type bacterium, we demonstrated that the refinery wastewater could be treated and also generate electric current in an air-cathode chamber over four-batch cycles for 63 cumulative days. Our study indicated that the oil refinery wastewater containing 2213 mg/L (ppm) chemical oxygen demand (COD) could be used as a substrate for electricity generation in the reactor of the MFC. A maximum voltage of 355 mV was obtained with the highest power density of 0.005 mW/cm(2) in the third cycle with a maximum current density of 0.015 mA/cm(2) in regard to the external resistor of 1000 Omega. A maximum coulombic efficiency of 6 x 10(-2)% was obtained in the fourth cycle. The removal efficiency of the COD reached 30% as a function of time. Electron transfer mechanism was studied using cyclic voltammetry, which indicated the presence of a soluble electron shuttle in the reactor. Our study demonstrated that oil refinery wastewater could be used as a substrate for electricity generation.
關聯:	International Journal of Molecular Sciences, v.15 n.9, pp.16772-16786
显示于类别:	[Dept. of Hotel and Restaurant Management] Periodical Articles

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