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JSIR Vol.66(05) [May 2007] >


Title: Biodegradation of synthetic textile dyes reactive red 195 and reactive green 11 by Aspergillus niger grp: An alternative approach
Authors: Zope, Varsha
Kulkarni, Mohan
Chavan, Maya
Keywords: Aspergillus niger grp
Biodegradation
Bioremediation
Decolourisation
Synthetic dyes
Issue Date: May-2007
Publisher: CSIR
IPC CodeC02F103/30
Abstract: Textile dyes (reactive red 195 and reactive green 11) were selected for biodegradation studies by Aspergillus niger grp using synthetic wastewater. Addition of glucose (1 g % w/v), ammonium sulphate (0.2 g % and 0.3 g % respectively for reactive red 195 and reactive green 11) favoured degradation. Optimum inoculum (size 1 g %, pH 7.0 and temp. 30 °C) was prepared for degradation of both the dyes. Static conditions favoured dye decolarization than shaking conditions. Under optimized conditions, degradation by Aspergillus niger grp was found to be: reactive red 195, 93.0; and reactive green 11, 80 %. Degradation of dyes was confirmed by UV- Spectrophotometric and TLC analysis. This indigenous isolate could be a potential organism for developing an efficient and effective technology for bioremediation of textile wastewater effluents carrying these dyes.
Page(s): 411-414
ISSN: 0022-4456
Source:JSIR Vol.66(05) [May 2007]

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