National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692 Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
Environmental pollution has been renowned as one of the foremost problems of the modern world. Ever-increasing industrialization and urbanization result in the discharge of hazardous waste to the environment, which in turn creates more pollution. Environmental biotechnology is persistently intensifying its efforts in the biological treatment of colored textile effluents, which is an environmental friendly and low cost alternative to physico-chemical processes. In the present study, effluent samples were collected from various textile and dyeing industries located in and around Vellore District, Tamilnadu, India and were exploited for the screening and isolation of bacterial strains that were capable of decolorizing Congo red. Optimization of cultural conditions was carried out to maximize decolorization efficiency of the bacterial isolate TVU-CR4 towards Congo red. Decolorization efficiency was found to be optimized at 35°C, neutral pH, after 24 h of incubation. Static conditions proved to be effective in maximizing decolorization. Increase in dye concentration decreased decolorization efficiency of TVU-CR4. Among the various carbon and nitrogen sources investigated; glucose and yeast extract instigated maximum decolorization. Detoxification was confirmed by phytotoxicity assay using Macrotyloma uniflorum.
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