Survey of recent trends in biochemically assisted degradation of dyes

► Recent studies on the use of microbes and enzymes for bioremediation is surveyed. ► Various approaches using microbial/enzymatic degradation is summarized. ► Data is presented showing how various factors affect enzymatic dye degradation. Synthetic organic dyes are an extremely important class of c...

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Bibliographic Details
Published in:Chemical engineering journal (Lausanne, Switzerland : 1996) Switzerland : 1996), 2012-10, Vol.209, p.520-530
Main Authors: Rauf, Muhammad A., Salman Ashraf, S.
Format: Article
Language:English
Subjects:
Applied sciences
aqueous solutions
Biodegradation
Biological and medical sciences
Biotechnology
carcinogenicity
Chemical engineering
color
Decolorization
Degradation
drugs
Dyes
Enzymes
Exact sciences and technology
Food engineering
Food industries
food industry
Fundamental and applied biological sciences. Psychology
General aspects
General purification processes
Methods. Procedures. Technologies
Microbes
microorganisms
Others
plastics
pollutants
Pollution
soil
surface water
surveys
Various methods and equipments
wastewater
Wastewaters
Water treatment and pollution
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Summary:► Recent studies on the use of microbes and enzymes for bioremediation is surveyed. ► Various approaches using microbial/enzymatic degradation is summarized. ► Data is presented showing how various factors affect enzymatic dye degradation. Synthetic organic dyes are an extremely important class of compounds that are intimately linked to modern life, and are used in numerous industries such as food, textile, paper, plastics, and pharmaceuticals. Upon release to the environment, the majority of these dyes not only impart color to water bodies (even when present in small quantities), but directly impact aquatic and non-aquatic life due to their carcinogenic nature. Removal of dyes from wastewaters has drawn a great deal of attention in the last few years and various approaches have been developed to address it. Literature survey on this topic has revealed the importance of biochemical approaches for handling the transformation of dyes to smaller, and more environmentally friendlier molecules. The various enzymes, microorganisms and other species studied for this purpose have been isolated from different matrices, such as soil and plants. This review focuses the biochemically assisted transformation methods which are presently being explored to tackle the problem of removing these organic pollutants from aqueous solutions.
ISSN:1385-8947
1873-3212
DOI:10.1016/j.cej.2012.08.015