18Sep 2017

DECOLORIZATION OF DARK RED 2B AZO DYE BY SPHINGOMONAS PAUCIMOBILIS ISOLATED FROM TEXTILE EFFLUENT.

  • Associate Professor & Head, Zoology Department, B. P. Baria Science Institute, Navsari ? 396445, India.
  • Biotechnology Department, Bhagwan Mahavir College of Science & Technology, Near VIP Road, Vesu, Surat.
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Synthetic azo dyes, present in textile effluent, are chemically Synthetic azo dyes found in textile effluent are chemically stable and persist in environment if discharged untreated. They cause many environmental issues and are toxic to aquatic life as well as carcinogenic and mutagenic to humans. There exist many physico-chemical methods for the removal of dyestuff form textile effluent, but all are having some disadvantages. Use of microorganisms for decolorization and degradation of such azo dyes in textile effluent is one of the thrust area of research. Many bacterial strains have been shown to degrade and mineralize azo dyes in waste water. In this study, indigenous bacterial strains were isolated from textile effluent capable for decolorization of Dark Red 2B azo dye. Sphingomonas paucimobilis, was isolated showing highest capacity of dye decolorization of 98.46% among 16 isolates obtained after screening. The optimum temperature and pH for dye decolorization was found to be 37 ?C and 7, respectively. 1% of glucose supplementation was found to be optimum for maximum dye decolorization by the bacterium. Cell free extracts of dye decolorization flask of Sphingomonas paucimobilis no adverse effect on Phaseolus mungo seed germination and radical and Plumule development was also enhance as compared to dye alone.


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[Alkesh I. Shah1, Jaydip B. Jobanputra2 (2017); DECOLORIZATION OF DARK RED 2B AZO DYE BY SPHINGOMONAS PAUCIMOBILIS ISOLATED FROM TEXTILE EFFLUENT. Int. J. of Adv. Res. 5 (Sep). 672-678] (ISSN 2320-5407). www.journalijar.com


Alkesh I. Shah
Associate Professor & Head, Zoology Department, B. P. Baria Science Institute, Navsari – 396445, Gujarat, India.

DOI:


Article DOI: 10.21474/IJAR01/5376      
DOI URL: http://dx.doi.org/10.21474/IJAR01/5376