Bacterial Decolourization of Textile Azo Dye Direct Red-28 under Aerobic Condition

ISSN: 0973-7510

E-ISSN: 2581-690X

bacterial-decolourization-of-textile-azo-dye-direct-red-28-under-aerobic-condition

J. Hemapriya¹ , Rajesh Kannan² and S. Vijayanand¹

¹Department of Biotechnology, Administrative Management College, Bangalore, India.

²Department of Microbiology,Bharathidasan University, Bangalore, India.

J Pure Appl Microbiol. 2010;4(1):309-314

Received: 08/11/2009 | Accepted: 21/12/2009 | Published: 30/04/2010

Abstract

Bacterial strains (DRS-1, DRS-2,DRS-3,DRS-4) isolated from dye contaminated sludge,decolorized an azo dye namely Direct Red-28.Of these,DRS-1 & DRS-3 were selected for further studies because of their high efficiency to decolorize the dye. Effect of Physio-chemical parameters, such as aeration/agitation, concentration of glucose, peptone and P^H of the culture medium on dye decolourization by isolates DRS-1 & DRS-3 were analyzed.DRS-1 had higher dye decolorizing ability than DRS-3.Under optimal conditions, DRS-1 decolorized Direct Red-28 (100ppm) upto 94.80%.The highest decolourization ability of isolate DRS-1 can thus be exploited in the treatment of industrial effluent containing azo dyes.

Keywords

Azo Dye, Congo Red, Decolourization, Direct Red-28, Industrial Effluent

Download PDF

Article Metrics

Article View: 666

JPAM.4.1.44 (195 downloads)

Share This Article

© The Author(s) 2010. Open Access. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License which permits unrestricted use, sharing, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.