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

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journal contribution
posted on 2023-05-19, 10:21 authored by Srivastava, P, Dwivedi, S, Kumar, N, Rouzbeh AbbassiRouzbeh Abbassi, Vikrambhai GaraniyaVikrambhai Garaniya, Yadav, AK
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 0.7 g L−1 and 2.0 gL−1, respectively. The maximum power density of 31.04 mW m−3 and 19.60 mW m−3 was achieved in CW-MFC with additional IA and CW-MFC dependent on ROL, respectively.

Funding

Tasmanian Community Fund

History

Publication title

Bioresource Technology

Volume

39

Pagination

1178-1182

ISSN

0960-8524

Department/School

Australian Maritime College

Publisher

Elsevier Sci Ltd

Place of publication

United Kingdom

Rights statement

© 2017 Elsevier Ltd. All rights reserved.

Repository Status

  • Restricted

Socio-economic Objectives

Environmentally sustainable mineral resource activities not elsewhere classified

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