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Ozturk A, Abdullah M (2006) Toxicological effect of indole and its azo dye derivatives on some microorganisms under aerobic conditions. Science of the Total Environment 358: 137-142.

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Exploited Application of Lactobacillus in Microbial Degradation and Decolorization of Acid Orange

1Industrial Waste Water Research Laboratory, Division of Applied & Environmental Microbiology, Enviro Technology Limited, GIDC, Ankleshwar, Gujarat, India


International Journal of Environmental Bioremediation & Biodegradation. 2014, Vol. 2 No. 4, 160-166
DOI: 10.12691/ijebb-2-4-3
Copyright © 2014 Science and Education Publishing

Cite this paper:
Maulin P Shah. Exploited Application of Lactobacillus in Microbial Degradation and Decolorization of Acid Orange. International Journal of Environmental Bioremediation & Biodegradation. 2014; 2(4):160-166. doi: 10.12691/ijebb-2-4-3.

Correspondence to: Maulin  P Shah, Industrial Waste Water Research Laboratory, Division of Applied & Environmental Microbiology, Enviro Technology Limited, GIDC, Ankleshwar, Gujarat, India. Email: shahmp@uniphos.com

Abstract

A bacterium identified as Lactobacillus was isolated from acclimated sludge from a dyeing wastewater treatment plant. This strain rapidly decolorized Reactive orange (RO) at 0.1% (w/v) concentration of both sucrose and peptone supplemented in Mineral Salt Medium (MSM) under static conditions at a temperature of 30°C with in 24 h with an initial dye concentration of 100 mg/L. The organism exhibited a remarkable color removal capability (95%) even at a high concentration of 1000 mg/L (RO16) dye within 24 h. The biodegradation products were analyzed by, FTIR spectroscopy and LC-MS analysis. The LC-MS analysis indicated the presence of 1-amino- 1-napthalene sulphonic acid in degraded product of the dye.

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