alexa Biodegradation of Acid Blue 113 Containing Textile Effluent by Constructed Aerobic Bacterial Consortia: Optimization and Mechanism | OMICS International | Abstract
ISSN: 2155-6199

Journal of Bioremediation & Biodegradation
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Research Article

Biodegradation of Acid Blue 113 Containing Textile Effluent by Constructed Aerobic Bacterial Consortia: Optimization and Mechanism

C Valli Nachiyar1*, Swetha Sunkar1, G Narendra Kumar1, A Karunya1, PB Ananth1, P Prakash1 and S Anuradha Jabasingh2
1Department of Biotechnology, Sathyabama University , Jeppiaar Nagar, Old Mamallapuram Road, Sholinganallur, Chennai 600 119, Tamil Nadu, India
2Department of Chemical Engineering, Sathyabama University, Jeppiaar Nagar, Old Mamallapuram Road, Sholinganallur, Chennai 600 119, Tamil Nadu, India
Corresponding Author : C Valli Nachiyar
Department of Biotechnology
Sathyabama University
Jeppiaar Nagar, Old Mamallapuram Road
Sholinganallur, Chennai 600 119
Tamil Nadu, India
Fax: 91-44-24501270
Tel: 91-44-2450 3145
E-mail: [email protected]
Received July 20, 2012; Accepted August 14, 2012; Published August 17, 2012
Citation: Nachiyar CV, Sunkar S, Kumar GN, Karunya A, Ananth PB, et al. (2012) Biodegradation of Acid Blue 113 Containing Textile Effluent by Constructed Aerobic Bacterial Consortia: Optimization and Mechanism. J Bioremed Biodeg 3:162. doi:10.4172/2155-6199.1000162
Copyright: © 2012 Nachiyar CV, et al. This is an open-a ccess 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.
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Abstract

A bacterial consortium was constructed using five different bacterial strains isolated from the effluent with the ability to degrade Acid Blue 113, a diazo dye. These organisms were identified as Citrobacter freundii (2 strains), Moraxella osloensis, Pseudomonas aeruginosa using 16S rRNA analysis and Pseudomonas aeruginosa CLRI BL22. The consortium was found to degrade 90% of the dye by 22 h in 80% diluted textile effluent supplemented with glucose and ammonium nitrate. Optimization studies using Response Surface Methodology have confirmed that the degradation process was predominantly influenced by agitation and pH where as glucose was found to have negative effect. TLC analyses indicated the presence of metanilic acid and peri acid in 24 h sample which disappeared by 48 h. The GC-MS analysis has confirmed the presence of methyl salicylic acid, catechol and β-ketoadipic acid with the RT values of 7.71, 10.88 and 15.04 respectively confirming the complete degradation of Acid Blue 113.

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