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Applied Biochemistry and Biotechnology

, Volume 185, Issue 3, pp 691–704 | Cite as

A Novel Methylotrophic Bacterial Consortium for Treatment of Industrial Effluents

Article

Abstract

Considering the importance of methylotrophs in industrial wastewater treatment, focus of the present study was on utilization of a methylotrophic bacterial consortium as a microbial seed for biotreatment of a variety of industrial effluents. For this purpose, a mixed bacterial methylotrophic AC (Ankleshwar CETP) consortium comprising of Bordetella petrii AC1, Bacillus licheniformis AC4, Salmonella subterranea AC5, and Pseudomonas stutzeri AC8 was used. The AC consortium showed efficient biotreatment of four industrial effluents procured from fertilizer, chemical and pesticide industries, and common effluent treatment plant by lowering their chemical oxygen demand (COD) of 950–2000 mg/l to below detection limit in 60–96 h in 6-l batch reactor and 9–15 days in 6-l continuous reactor. The operating variables of wastewater treatment, viz. COD, BOD, pH, MLSS, MLVSS, SVI, and F/M ratio of these effluents, were also maintained in the permissible range in both batch and continuous reactors. Therefore, formation of the AC consortium has led to the development of an efficient microbial seed capable of treating a variety of industrial effluents containing pollutants generated from their respective industries.

Keywords

Chemical oxygen demand Industrial effluents Methylotrophs 

Notes

Acknowledgements

Krushi Hingurao would like to acknowledge the University Grants Commission, New Delhi, India, for the University Grants Commission—Research Fellowships in Science for Meritorious Students (UGC-RFSMS) fellowship during the course of this work.

Compliance with Ethical Standards

Conflict of Interest

The authors declare that they have no conflict of interest.

Supplementary material

12010_2017_2680_MOESM1_ESM.docx (15 kb)
Supplementary Table S1 (DOCX 14 kb)
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Supplementary Table S2 (DOCX 14 kb)
12010_2017_2680_MOESM3_ESM.docx (14 kb)
Supplementary Table S3 (DOCX 13 kb)

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© Springer Science+Business Media, LLC, part of Springer Nature 2017

Authors and Affiliations

  1. 1.Department of Microbiology and Biotechnology Centre, Faculty of ScienceThe Maharaja Sayajirao University of BarodaVadodaraIndia

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