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Performance assessment of aeration and radial oxygen loss assisted cathode based integrated constructed wetland-microbial fuel cell systems

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Nov 2017 Australia Publisher:Elsevier BVJournal:Bioresource Technology, volume 244, pages 1,178-1,182 (issn: 0960-8524,

Authors: Srivastava, P; Dwivedi, S; Kumar, N; Abbassi, R; Garaniya, V; Yadav, AK;

doi: 10.1016/j.biortech.2017.08.026

pmid: 28844691

Performance assessment of aeration and radial oxygen loss assisted cathode based integrated constructed wetland-microbial fuel cell systems

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Abstract

The present study explores low-cost cathode development possibility using radial oxygen loss (ROL) of Canna indica plants and intermittent aeration (IA) for wastewater treatment and electricity generation in constructed wetland-microbial fuel cell (CW-MFC) system. Two CW-MFC microcosms were developed. Amongst them, one microcosm was planted with Canna indica plants for evaluating the ROL dependent cathode reaction (CW-MFC dependent on ROL) and another microcosm was equipped with intermittent aeration for evaluating the intermittent aeration dependent cathode reaction (CW-MFC with additional IA). The CW-MFC with additional IA has achieved 78.71% and 53.23%, and CW-MFC dependent on ROL has achieved 72.17% and 46.77% COD removal from synthetic wastewater containing glucose loads of 0.7gL-1and 2.0gL-1, respectively. The maximum power density of 31.04mWm-3 and 19.60mWm-3 was achieved in CW-MFC with additional IA and CW-MFC dependent on ROL, respectively.

Country

Australia

Related Organizations

Banaras Hindu University
India
Australian Maritime College
Australia
Council of Scientific and Industrial Research
India
Council of Scientific and Industrial Research
India
Banaras Hindu University
India

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Keywords

670, constructed wetlands, Bioelectric Energy Sources, Wastewater, Oxygen, microbial fuel cell, intermittent aeration, Electricity, Wetlands, Electrodes, radial oxygen loss, cathode reaction

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