Repository of Research and Investigative Information

Repository of Research and Investigative Information

Ilam University of Medical Sciences

/+//Biodecolorization of Reactive Black5 and Reactive Red120 azo dyes using bacterial strains isolated from dairy effluents

Mon Jun 27 09:11:21 2022

(2019) /+//Biodecolorization of Reactive Black5 and Reactive Red120 azo dyes using bacterial strains isolated from dairy effluents. International Journal of Environmental Science and Technology. pp. 3615-3624. ISSN 17351472 (ISSN)

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Official URL: https://www.scopus.com/inward/record.uri?eid=2-s2....

Abstract

In a biological treatment of an industrial effluent, the indigenous bacteria have already been used. In this study, the three bacteria strains which are potent in the decolorization of azo dyes were isolated from dairy effluent and used for decolorization of Reactive Black5 and Reactive Red120 azo dyes and decolorization test of each dye was conducted at five concentration levels (10, 50, 100, 150, and 200 mg/l). The pH of which was adjusted to 7 and incubated at 37 °C for 3 days. The strains were identified as Staphylococcus sp. and Micrococcus luteus strains by 16S rRNA gene sequences analysis. The strains were deposited in GenBank with accession numbers of KX180131, KX180132, and KX180133 and submitted to laboratory identifier named Staphylococcus sp. MEH038S, Micrococcus luteus strain SEH038S, and Micrococcus luteus strain FEH038S. Three days into incubation, the lowest efficiency was at a concentration level of 200 mg/l for each dye. Decolorization efficiencies for Staphylococcus sp. MEH038S, Micrococcus luteus strain SEH038S, and Micrococcus luteus strain FEH038S at the concentration level of 200 mg/l for Reactive Red120 were 89.7, 87.1, and 89.3, and for Reactive Black5 were 90.8, 90.0, and 89.9, respectively. Based upon this study, dairy effluents can be used as a suitable alternative to the decolorization of textile wastewater. This study demonstrates a report on grounds of elucidation for the use of non-indigenous bacteria in the treatment of industrial wastewater. © 2018, Islamic Azad University (IAU).

Item Type: Article
Creators:
CreatorsEmail
Sadeghi, M.UNSPECIFIED
Forouzandeh, S.UNSPECIFIED
Nourmoradi, H.UNSPECIFIED
Heidari, M.UNSPECIFIED
Ahmadi, A.UNSPECIFIED
Jami, M. S.UNSPECIFIED
Abdizadeh, R.UNSPECIFIED
Mohammadi-Moghadam, F.UNSPECIFIED
Keywords: Azo dyes Biodecolorization Micrococcus luteus strain FEH038S Micrococcus luteus strain SEH038S Staphylococcus sp. MEH038S Bacteria Efficiency Effluent treatment Groundwater pollution Industrial water treatment RNA Sewage Wastewater treatment 16S rRNA gene sequence Biological treatment Concentration levels Indigenous bacteria Industrial wastewaters Micrococcus luteus Staphylococcus sp Effluents bacterium biodegradation concentration (composition) dye effluent laboratory method microbial activity pollutant removal wastewater Bacteria (microorganisms) Staphylococcus sp.
Divisions:
Page Range: pp. 3615-3624
Journal or Publication Title: International Journal of Environmental Science and Technology
Journal Index: Scopus
Volume: 16
Number: 7
Identification Number: https://doi.org/10.1007/s13762-018-1750-7
ISSN: 17351472 (ISSN)
Depositing User: مهندس مهدی شریفی
URI: http://eprints.medilam.ac.ir/id/eprint/3806

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