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Simultaneous removal of malachite green and hexavalent chromium by Cunninghamella elegans biofilm in a semi-continuous system
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Date Issued
November 2017
Date Available
08T16:25:02Z February 2023
Abstract
The present study was conducted to evaluate the potential of the fungus Cunninghamella elegans for simultaneous decolourisation of a triphenylmethane dye malachite green (MG) and hexavalent chromium [Cr(VI)] in the same media. This fungus can degrade MG through its reduction into leucomalachite green and then demethylation followed by oxidative cleavage. Along with MG degradation, C. elegans biofilm could effectively and repeatedly remove Cr(VI) from the liquid cultures even in the presence of high concentrations (40 g L−1) of NaCl and various other metal ions. C. elegans biofilm was also found to adsorb different dyes (reactive black-5, acid orange 7, direct red 81 and brilliant blue G) concurrently with Cr(VI). Based on its potential for simultaneous removal of dyes and Cr(VI) as well as reusability, C. elegans biofilm is envisaged as an efficient bioresource to devise strategies for treatment of wastewaters loaded with multiple pollutants.
Sponsorship
Environmental Protection Agency
Irish Research Council
Type of Material
Journal Article
Publisher
Elsevier
Journal
International Biodeterioration and Biodegradation
Volume
125
Start Page
142
End Page
149
Copyright (Published Version)
2017 Elsevier
Language
English
Status of Item
Peer reviewed
ISSN
0964-8305
This item is made available under a Creative Commons License
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