alexa Exploitation of Two Consortiums in Microbial Degradation and Decolorization of Remazol Black and Acid Orange
ISSN:2157-7463

Journal of Petroleum & Environmental Biotechnology
Open Access

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Research Article

Exploitation of Two Consortiums in Microbial Degradation and Decolorization of Remazol Black and Acid Orange

Shah M*
Industrial Waste Water Research Laboratory, Division of Applied & Environmental Microbiology, Environmental Technology Limited, Gujarat, India
Corresponding Author : Shah M
Industrial Waste Water Research Laboratory
Division of Applied & Environmental Microbiology
Environmental Technology Limited, Gujarat, India
Tel: 91-9099965504
E-mail: [email protected]
Received August 22, 2014; Accepted August 28, 2014; Published September 04, 2014
Citation: Shah M (2014) Exploitation of Two Consortiums in Microbial Degradation and Decolorization of Remazol Black and Acid Orange. J Pet Environ Biotechnol 5:196. doi:10.4172/2157-7463.1000196
Copyright: © 2014 Shah M. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
 

Abstract

Different soil samples were collected from effluent treatment plants were used as a source for the isolation of 16 morphologically distinct bacteria capable of decolourising textile dye, Acid orange. Decolourisation assay was performed using two textile dyes - Acid oragne and emazol black to screen for high dye decolourising bacterial isolates. 5 Bacterial isolates showed high decolourisation of Acid orange and a consortium of these 5 colonies called A was developed. 3 Bacterial isolates showed high decolourisation of Remazol black and a consortium of these 3 isolates, B, was developed. The screened bacterial isolates were identified as Pseudomonas sp., Alcaligens sp., Rhodococcus sp., Stenotrophomonas sp., Proteobacterium sp., and Bacillus sp. by 16S rDNA analysis. A exhibited high decolourisation percentage of 200 mg/l of Acid orange in the presence of anhydrous sodium acetate under static condition at pH 7 and temperature of 40°C within 48 hours. B showed high decolourisation of 200 mg/l of Remazol black in the presence of galactose and a combination of straw and beef extract under static condition at pH 7 and temperature of 30°C within 48 hours. LC-MS analysis of the degraded product of Acid orange by A showed the presence of 1-{3-amino 5- [(aminoxy) sulphonyl] phenyl} ethanol and 7, 8-amino-3-[(aminoxy) sulphonyl] napthalen- 1-ol. LC-MS analysis of the degraded product of Remazol black by B showed the presence of 1.1’-diazene-1,2- diyldinapthlen-2-ol and sodium-4-amino-naphthalene-1-sulphonate.

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