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Laccase mediator system as a potential technology for decolorization of textile dyes — Overview and perspectives

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Title Laccase mediator system as a potential technology for decolorization of textile dyes — Overview and perspectives
 
Creator Rana, Bharti
Chakraborty, J N
 
Subject Dye
Decolorization
Effluent treatment
Laccase
Synthetic dye
 
Description 257-270
Discharge of the exhausted dye bath at the end of dyeing imposes a huge waste-water load, necessitating the use of fresh
water for further processing. Due to the limited availability of fresh water, industries are compelled to remove the dyes from
drained-out liquor to protect the environment and recycle the treated water for future processing. Discharged dyes create a
film or layer of color on the water's surface, impeding the natural breakdown of substances and harm aquatic organisms.
A significant proportion of effluent comprises synthetic dyes from azo, anthraquinone, triphenylmethane, indigo, and other
groups. Several azo dyes and their cleaved by-products have been discovered to impact human health. Various established
techniques are commonly employed to remove the color from dye; however, they have inherent restrictions. Due to
increased demand, there is a growing need to explore cost-effective alternative treatments, such as biological integrated
systems. The utilization of laccase for the decolorization of dyes presents a possible technological solution to address the
drawbacks associated with current approaches. These enzymes can chemically react with and break down diverse
substances. Laccases have been verified for their capacity to break down synthetic dyes in wastewater, resulting in the
degradation of less hazardous products than the original dyes. This study examines the advantages and disadvantages of
different technologies used to remove color from dyes. It also discusses the degradation mechanisms of several synthetic
dyes catalyzed by laccase and the impact of factors, such as temperature, pH, dye concentration, etc. Additionally, the most
recent studies on decolorization utilizing laccase are reviewed.
 
Date 2024-07-15T09:17:58Z
2024-07-15T09:17:58Z
2024-06
 
Type Article
 
Identifier 0975-1025 (Online); 0971-0426 (Print)
http://nopr.niscpr.res.in/handle/123456789/64239
https://doi.org/10.56042/ijftr.v49i2.11732
 
Language en
 
Publisher NIScPR-CSIR,India
 
Source IJFTR Vol.49(2) [June 2024]