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Optimization of factors affecting decolourization of sulphonated azo dye Red HE7B in vitro by Bacillus sp. Azo1

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Title Optimization of factors affecting decolourization of sulphonated azo dye Red HE7B in vitro by Bacillus sp. Azo1
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Creator Jyoti Kumar Thakur, Sangeeta Paul, Nishant K. Sinha and Maheshwar Singh Rathi
 
Subject Azo dye, Bacillus sp., co-substrate, Decolourization
 
Description Not Available
Azo dyes are widely used organic molecules that are
generally recalcitrant to biodegradation, thus causing
environmental pollution. In this study, the effect of
various growth conditions like temperature, pH, dye
concentration, aeration and presence/absence of
co-substrate on decolourization of azo dye Red HE7B
by Bacillus sp. Azo1 has been determined. Decolourization
of the dye was achieved under static condition.
Optimum decolourization of Red HE7B was observed
at 30°C and 50 mg/l dye concentration, where more
than 90% decolourization was achieved within three
days of inoculation. Bacillus sp. Azo1 could decolourize
the dye through a range of pH values from 6 to 9.
Presence of co-substrate limited the decolourization
with glucose being the most potential inhibitor. Identification
of factors influencing decolourization will
help in rapid removal of these pollutants from contaminated
habitat.
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Date 2019-11-27T09:58:46Z
2019-11-27T09:58:46Z
2018-08-10
 
Type Research Paper
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/25656
 
Language English
 
Relation Not Available;
 
Publisher Not Available