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Biological treatment of coke plant effluents: from a microbiological perspective

Felföldi, Tamás and Nagymáté, Zsuzsanna and Székely, Anna J. and Jurecska, Laura and Márialigeti, Károly (2020) Biological treatment of coke plant effluents: from a microbiological perspective. Biologia Futura, 71 (4). pp. 359-370. ISSN 2676-8615 (print), 2676-8607 (online)

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Abstract

During coke production, large volume of effluent is generated, which has a very complex chemical composition and contains several toxic and carcinogenic substances, mainly aromatic compounds, cyanide, thiocyanate and ammonium. The composition of these high-strength effluents is very diverse and depends on the quality of coals used and the operating and technological parameters of coke ovens. In general, after initial physicochemical treatment, biological purification steps are applied in activated sludge bioreactors. This review summarizes the current knowledge on the anaerobic and aerobic transformation processes and describes key microorganisms, such as phenol- and thiocyanate-degrading, floc-forming, nitrifying and denitrifying bacteria, which contribute to the removal of pollutants from coke plant effluents. Providing the theoretical basis for technical issues (in this case the microbiology of coke plant effluent treatment) aids the optimization of existing technologies and the design of new management techniques.

Item Type: Article
Subjects: Q Science / természettudomány > Q1 Science (General) / természettudomány általában
Q Science / természettudomány > QH Natural history / természetrajz > QH301 Biology / biológia
Depositing User: Zsolt Baráth
Date Deposited: 13 Oct 2022 07:17
Last Modified: 13 Oct 2022 07:17
URI: http://real.mtak.hu/id/eprint/151589

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