期刊
CHEMOSPHERE
卷 263, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2020.128132
关键词
Nitrification-denitrification; Algae assisted cathode; Constructed wetland-microbial fuel cell; Sand filter; Simultaneous treatment
资金
- NASF, (ICAR, New Delhi) [NASF/CA-6031/2017-18]
- CSIR, India [MLP-37, MLP-59]
This study reports on a three-stage design of algal assisted constructed wetland-microbial fuel cell incorporated sand filter for efficient treatment of wastewater and bioelectricity generation. The system achieved high removal efficiencies for organic matter and inorganic pollutants such as NH4+, PO43-, and NO3-.
In this study we report on a three-stage design of algal assisted constructed wetland -microbial fuel cell incorporated sand filter for efficient treatment of wastewater and bioelectricity generation, simulating a core of it. It aims for the complete removal of organic matter and other inorganic pollutants such as NO3-, NH4+ and PO43-. The conductive material equipped anode region of constructed wetland (CW) performed better for organic removal, and the system efficiently removed COD up to 96.37 +/- 2.6%. The algal biomass passively aerated the cathode region and resulted in efficient removal of 85.14 +/- 10.73% of NH4+ and 69.03 +/- 10.14% of PO43-. The additional sand filter provided anaerobic situation favorable for removal of NO3- up to 68.41 +/- 7.63%. The maximum power and current densities achieved in the system were 33.14 mW m(-3) and 235.0 mA m(-3), respectively. (C) 2020 Elsevier Ltd. All rights reserved.
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