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Cylindrical graphite based microbial fuel cell for the treatment of industrial wastewaters and bioenergy generation.

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Title: Cylindrical graphite based microbial fuel cell for the treatment of industrial wastewaters and bioenergy generation.
Authors: Mohanakrishna, Gunda1, Abu-Reesh, Ibrahim M.1 abureesh@qu.edu.qa, Al-Raoush, Riyadh I.2, He, Zhen3
Source: Bioresource Technology. Dec2017, Vol. 247, p753-758. 6p.
Subjects: Microbial fuel cells, Biomass energy, Biochemical substrates, Petroleum refineries -- Waste, Electric power production
Abstract: Cylindrical graphite microbial fuel cell (MFC) configuration designed by eliminating distinct casing and membrane was evaluated for bioelectrogenesis and treatment of real-field wastewaters. Both petroleum refinery wastewater (PRW) and Labanah whey wastewater (LW) were used as substrates, and investigated for electricity generation and organic removal under batch mode operation. PRW showed higher bioelectricity generation (current and power generation of 3.35 mA and 1.12 mW at 100 Ω) compared to LW (3.2 mA and 1.02 mW). On the contrary, higher substrate degradation efficiency was achieved using LW (72.76%) compared to PRW (45.06%). Superior function of MFC operation in terms of volumetric power density (PRW, 28.27 W/m 3 ; LW, 23.23 W/m 3 ) suggesting the feasibility of using these wastewaters for bioelectricity generation. Large sources of wastewater that generating in the Middle-East countries have potential to produce renewable energy from the treatment, which helps for the sustainable wastewater management and simultaneous renewable energy production. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
Description
Abstract:Cylindrical graphite microbial fuel cell (MFC) configuration designed by eliminating distinct casing and membrane was evaluated for bioelectrogenesis and treatment of real-field wastewaters. Both petroleum refinery wastewater (PRW) and Labanah whey wastewater (LW) were used as substrates, and investigated for electricity generation and organic removal under batch mode operation. PRW showed higher bioelectricity generation (current and power generation of 3.35 mA and 1.12 mW at 100 Ω) compared to LW (3.2 mA and 1.02 mW). On the contrary, higher substrate degradation efficiency was achieved using LW (72.76%) compared to PRW (45.06%). Superior function of MFC operation in terms of volumetric power density (PRW, 28.27 W/m 3 ; LW, 23.23 W/m 3 ) suggesting the feasibility of using these wastewaters for bioelectricity generation. Large sources of wastewater that generating in the Middle-East countries have potential to produce renewable energy from the treatment, which helps for the sustainable wastewater management and simultaneous renewable energy production. [ABSTRACT FROM AUTHOR]
ISSN:09608524
DOI:10.1016/j.biortech.2017.09.174