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Journal of the Serbian Chemical Society 2022 Volume 87, Issue 6, Pages: 775-784
https://doi.org/10.2298/JSC211008009D
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Application of microbial fuel cell for simultaneous treatment of metallurgical and municipal wastewater - а laboratory study

Đorđievski Stefan ORCID iD icon (Mining and Metallurgy Institute Bor, Bor, Serbia), stefan.djordjievski@irmbor.co.rs
Yemendzhiev Hyusein ORCID iD icon (“Prof. D-r Assen Zlatarov” University, Burgas, Bulgaria)
Koleva Ralitza ORCID iD icon (“Prof. D-r Assen Zlatarov” University, Burgas, Bulgaria)
Nenov Valentin ORCID iD icon (“Prof. D-r Assen Zlatarov” University, Burgas, Bulgaria)
Medić Dragana ORCID iD icon (Technical Faculty in Bor, Bor, Serbia)
Trifunović Vanja ORCID iD icon (Mining and Metallurgy Institute Bor, Bor, Serbia)
Maksimović Ana (Independent consultant, Belgrade, Serbia)

Microbial fuel cell (MFC) is a hybrid technology that produces electricity and recovers resources from wastewater through biocatalytic and electrochemical reactions. Metallurgical facilities in Bor, Serbia, are a source of copper-rich metallurgical wastewater, and the Town of Bor is a source of municipal wastewater rich in organic matter. The aim of this paper is to investigate the possibility of application of MFC for the treatment of metallurgical and municipal wastewater that are released into the Bor River in Serbia. A prototype of MFC was constructed for this study, and 3 sets of experiments were performed using model solutions and real wastewater. Copper was successfully removed from the treated model solution with 99.42 % efficiency. Solid copper particles were obtained with a particle size of about 1 μm. Maximum chemical oxygen demand (COD) removal rate of 191.7 mg L-1 h-1 was observed in the anodic compartment. The impact of this study is significant because MFC was implemented for the simultaneous treatment of two types of wastewaters, one containing metals and the other containing organic matter, and both types of wastewater are released into the same river.

Keywords: Bor River, copper, organic matter, bacteria, electrochemical, prototype

Project of the Serbian Ministry of Education, Science and Technological Development, Grant no. 451-03-9/2021-14/200052 and Grant no. 451-03-9/2021-14/200131


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