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Please use this identifier to cite or link to this item: http://repository.iitr.ac.in/handle/123456789/14643
Title: Applicability of enzymes produced from different biotic species for biodegradation of textile dyes
Authors: Mishra S.
Maiti A.
Published in: Clean Technologies and Environmental Policy
Abstract: Abstract: The industrial wastewater contains a large amount of toxic pollutants that cause severe biotic risk and deterioration of environmental quality when discharged untreated/partially treated. Among the industrial sectors, the colourant industry-produced wastewater has more complex and hazardous composition in terms of toxicity of pollutants. In the recent past, numerous bioremediation techniques based on whole cells (bacteria, fungi and plants) or enzymes have been investigated for the treatment of dye-contaminated wastewater. The enzyme-driven treatment system has been found to be an effective for achieving satisfactory decolourization of dye-contaminated wastewater in less time, cost, labour and ecological risk. The enzyme-mediated decolourization of dye occurs through either degradation or biotransformation mechanism under optimal environmental conditions. The enzyme activity is limited by the operational factors such as reactivity of dye, pH, temperature, co-substrate and electron donor. In this regard, the present paper reviews the potential of enzymes, extracted from different biota (such as bacteria, fungi, algae and plants), to decolourize dyes from contaminated wastewater. It has been observed that the enzyme activity varies with the class of enzyme, its source and targeted substrate. The enzymes belonging to the class oxidoreductase are chief biological agents involved in bioremediation of textile dyes. The peroxidase enzymes are found to be very effective against wide classes of industrial dyes, with more tolerability to high temperature ~ 60 °C and wide range of operational pH 3–11. These enzymes are easily available as it can be extracted from bacteria, fungi, algae and plants. It has been observed that the dye decolourization efficiency of enzymes is higher in an immobilized state than in soluble form. Graphical abstract: [Figure not available: see fulltext.]. © 2019, Springer-Verlag GmbH Germany, part of Springer Nature.
Citation: Clean Technologies and Environmental Policy (2019), 21(4): 763-781
URI: https://doi.org/10.1007/s10098-019-01681-5
http://repository.iitr.ac.in/handle/123456789/14643
Issue Date: 2019
Publisher: Springer Verlag
Keywords: Biological agents
Decolourization
Environmental quality
Industrial wastewater
ISSN: 1618954X
Author Scopus IDs: 55353346500
23994098600
Author Affiliations: Mishra, S., Department of Polymer and Process Engineering, Indian Institute of Technology Roorkee, Saharanpur Campus, Saharanpur, Uttar Pradesh 247001, India
Maiti, A., Department of Polymer and Process Engineering, Indian Institute of Technology Roorkee, Saharanpur Campus, Saharanpur, Uttar Pradesh 247001, India
Corresponding Author: Mishra, S.; Department of Polymer and Process Engineering, Indian Institute of Technology Roorkee, Saharanpur Campus, India; email: saurabhmishra20057@gmail.com
Appears in Collections:Journal Publications [PE]

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