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Cometabolic bacterial and fungal remediation as a promising strategy for recycled paper and cardboard mill wastewater treatment

Maryam Gholami (Environmental Science and Technology Research Center, Department of Environmental Health Engineering, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran)
Amir Hossein Mahvi (Center for Water Quality Research (CWQR), Institute for Environmental Research, Tehran University of Medical Sciences, Tehran, Iran and Center for Solid Waste Research, Institute for Environmental Research, Tehran University of Medical Sciences, Tehran, Iran)
Fahimeh Teimouri (Environmental Science and Technology Research Center, Department of Environmental Health Engineering, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran and Environmental Science and Technology Research Center, Department of Environmental Health – Radiation Health, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran)
Mohammad Hassan Ehrampoush (Environmental Science and Technology Research Center, Department of Environmental Health Engineering, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran)
Abbasali Jafari Nodoushan (Department of Medical Parasitology and Mycology, School of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran)
Sara Jambarsang (Center for Healthcare Data Modeling, Departments of Biostatistics and Epidemiology, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran)
Mohammad Taghi Ghaneian (Environmental Science and Technology Research Center, Department of Environmental Health Engineering, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran)

Pigment & Resin Technology

ISSN: 0369-9420

Article publication date: 17 October 2022

Issue publication date: 14 March 2024

41

Abstract

Purpose

This paper aims to study the application of high-tolerance and flexible indigenous bacteria and fungi, along with the co-metabolism in recycled paper and cardboard mill (RPCM) wastewater treatment (WWT).

Design/methodology/approach

The molecular characterization of isolated indigenous bacteria and fungi was performed by 16S rRNA and 18S rRNA gene sequencing, respectively. Glucose was used as a cometabolic substrate to enhance the bioremediation process.

Findings

The highest removal efficiency was achieved for both chemical oxygen demand (COD) and color [78% COD and 45% color removal by Pseudomonas aeruginosa RW-2 (MZ603673), as well as approximately 70% COD and 48% color removal by Geotrichum candidum RW-4 (ON024394)]. The corresponding percentages were higher in comparison with the efficiency obtained from the oxidation ditch unit in the full-scale RPCM WWT plant.

Originality/value

Indigenous P. aeruginosa RW-2 and G. candidum RW-4 demonstrated effective capability in RPCM WWT despite the highly toxic and low biodegradable nature, especially with the assistance of glucose.

Keywords

Acknowledgements

This research was supported by Shahid Sadoughi University of Medical Sciences, Yazd, Iran (Grant No. 6782) as part of a PhD dissertation (IR.SSU.SPH.REC.1398.096).

Funding: This research was financially supported by the Shahid Sadoughi University of Medical Sciences (Grant No. 6782).

Disclosure statement: No potential conflict of interest was reported by the authors.

Citation

Gholami, M., Mahvi, A.H., Teimouri, F., Ehrampoush, M.H., Jafari Nodoushan, A., Jambarsang, S. and Ghaneian, M.T. (2024), "Cometabolic bacterial and fungal remediation as a promising strategy for recycled paper and cardboard mill wastewater treatment", Pigment & Resin Technology, Vol. 53 No. 3, pp. 313-321. https://doi.org/10.1108/PRT-07-2022-0089

Publisher

:

Emerald Publishing Limited

Copyright © 2022, Emerald Publishing Limited

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