A promising bioelectrochemical reactor integrating membrane distillation and microbial fuel cell for dual advantages of power generation and water recovery

doi:10.1039/D0EW00379D

淡江大學機構典藏 > 工學院 > 水資源及環境工程學系暨研究所 > 期刊論文 > Item 987654321/119827

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題名:	A promising bioelectrochemical reactor integrating membrane distillation and microbial fuel cell for dual advantages of power generation and water recovery
作者:	Cao, Thanh Ngoc-Dan;Chen, Shiao-Shing;Chang, Hau-Ming;Bui, Thanh Xuan;Chien, I-Chieh
日期:	2020-07-14
上傳時間:	2021-01-06 12:10:33 (UTC+8)
摘要:	In the present study, water recovery from wastewater was accomplished simultaneously with the electrical energy production from biofuel as a source of organic matter, by the novel integration of distillation membrane and microbial fuel cell to create a system called the membrane distillation microbial fuel cell (MDMFC). A hydrophobic 0.45 μm membrane made of polytetrafluoroethylene (PTFE) was employed as a separator between the cathodic and anodic compartments to investigate multiple benefits of MDMFC for electricity generation, wastewater treatment and water reclamation at different temperature conditions. A high open-circuit voltage of 0.724 ± 0.07 V and a short circuit current of 64.55 ± 2.56 μA were achieved at 45 °C with an initial flux of 3.5 LMH. In the anodic chamber, Firmicutes, Proteobacteria, and Bacteroidetes were detected as dominant species at 45 °C, among which the Proteobacteria and Firmicutes were the most abundant sequences when an artificial substrate was used for feeding. The results indicate that 45 °C is the temperature that most significantly influences the electrochemical performance of MDMFC because of the dominance of bacterial community. Moreover, the power density increased by 99.9% when the temperature increased from 35 °C (0.99 μW m−3) to 45 °C (1552 μW m−3) and decreased by 97% when the temperature was further increased to 55 °C (43.91 μW m−3). Consequently, this study confirms that MD and MFC can be combined for the sustainable development of a water-energy nexus.
關聯:	Environmental Science: Water Research & Technology 6, 2776-2788
DOI:	10.1039/D0EW00379D
顯示於類別:	[水資源及環境工程學系暨研究所] 期刊論文

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