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Nitrogen and Carbon Sources Influencing Mycoremediation of Textile Dyes Using Novel Autochthonous Fungal Isolates

Nitrogen and Carbon Sources Influencing Mycoremediation of Textile Dyes Using Novel Autochthonous... AbstractFour fungal isolates Trichoderma virens, Phlebiopsis cf. ravenelii, Talaromyces stipitatus, Aspergillus niger originally isolated from the textile dye contaminated soil of Meerut, India. They were studies for decolorization purpose of selected textile azo dyes under laboratory conditions. Out of total 74 isolates, four fungal strains were picked up on the basis of primary screening carried out using agar layer decolorization technique. Dye decolorization and degradation activity of the culture was enhanced by optimization of concentration of carbon and nitrogen sources to the synthetic medium. This optimization facilitated decolorization and degradation within 9 d, at pH 5.4 and at a temperature of 30°C. Different concentrations of tested dyes (0.01%, 0.025%, 0.05 and 0.1%) were used and maximum decolorization 99.84% was achieved at dye concentration of 0.01%. Rate of decolorization carried out at different concentrations revealed the increase in dye solution concentration suppresses the decolorization. Optimized amount of nutrients were found to be 0.05%, 0.2%, 0.5%, 1% and 2% of ammonium sulphate and sodium nitrate as nitrogen source and glucose and lactose as carbon source respectively. Addition of nitrogen source above 0.5% caused decrease in percentage decolorization and addition of carbon source increase percentage decolorization up to 0.5%. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Analytical Chemistry Letters Taylor & Francis

Nitrogen and Carbon Sources Influencing Mycoremediation of Textile Dyes Using Novel Autochthonous Fungal Isolates

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Nitrogen and Carbon Sources Influencing Mycoremediation of Textile Dyes Using Novel Autochthonous Fungal Isolates

Abstract

AbstractFour fungal isolates Trichoderma virens, Phlebiopsis cf. ravenelii, Talaromyces stipitatus, Aspergillus niger originally isolated from the textile dye contaminated soil of Meerut, India. They were studies for decolorization purpose of selected textile azo dyes under laboratory conditions. Out of total 74 isolates, four fungal strains were picked up on the basis of primary screening carried out using agar layer decolorization technique. Dye decolorization and degradation activity of...
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Publisher
Taylor & Francis
Copyright
© 2017 Har Krishan Bhalla & Sons
ISSN
2230-7532
eISSN
2229-7928
DOI
10.1080/22297928.2017.1391121
Publisher site
See Article on Publisher Site

Abstract

AbstractFour fungal isolates Trichoderma virens, Phlebiopsis cf. ravenelii, Talaromyces stipitatus, Aspergillus niger originally isolated from the textile dye contaminated soil of Meerut, India. They were studies for decolorization purpose of selected textile azo dyes under laboratory conditions. Out of total 74 isolates, four fungal strains were picked up on the basis of primary screening carried out using agar layer decolorization technique. Dye decolorization and degradation activity of the culture was enhanced by optimization of concentration of carbon and nitrogen sources to the synthetic medium. This optimization facilitated decolorization and degradation within 9 d, at pH 5.4 and at a temperature of 30°C. Different concentrations of tested dyes (0.01%, 0.025%, 0.05 and 0.1%) were used and maximum decolorization 99.84% was achieved at dye concentration of 0.01%. Rate of decolorization carried out at different concentrations revealed the increase in dye solution concentration suppresses the decolorization. Optimized amount of nutrients were found to be 0.05%, 0.2%, 0.5%, 1% and 2% of ammonium sulphate and sodium nitrate as nitrogen source and glucose and lactose as carbon source respectively. Addition of nitrogen source above 0.5% caused decrease in percentage decolorization and addition of carbon source increase percentage decolorization up to 0.5%.

Journal

Analytical Chemistry Letters – Taylor & Francis

Published: Sep 3, 2017

Keywords: Textile dye; bioremediation; fungi; nitrogen; carbon

References

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