Results 11 to 20 of about 569,297 (302)

Classifications, properties, recent synthesis and applications of azo dyes

open access: yesHeliyon, 2020
In this work, we have presented a very detailed review of the different classification of azo dyes as a function of the number of azo groups and the appropriate functional groups.
Said Benkhaya   +2 more
doaj   +2 more sources

Decolorization of azo dyes by a novel aerobic bacterial strain Bacillus cereus strain ROC

open access: yesPLoS ONE, 2022
Synthetic dyes are widely used as colorant compounds in various industries for different purposes. Among all the dyestuffs, azo dyes constitute the largest and the most used class of dyes.
Anum Fareed   +5 more
doaj   +3 more sources

Polyaniline/attapulgite-supported nanoscale zero-valent iron for the rival removal of azo dyes in aqueous solution

open access: yesAdsorption Science & Technology, 2019
In this paper, polyaniline/attapulgite (PANI/APT)-supported nanoscale zero-valent iron (nZVI) composites were synthesized by liquid-phase chemical reduction method and used for the removal of two kinds of dyes.
Hui Xu   +5 more
doaj   +2 more sources

A Review of Environmental Impact of Azo Dyes

open access: yesInternational journal of research and review, 2023
Green plants are one of nature’s factories, fixing inorganic chemicals into organic compounds through photosynthesis and other reactions. Microbes are one of the nature’s most effective tools, converting organic materials—dead plants and animals—into ...
H. Alzain, Victor Kalimugogo, K. Hussein
semanticscholar   +1 more source

Removal of Azo Dyes from Wastewater through Heterogeneous Photocatalysis and Supercritical Water Oxidation

open access: yesSeparations, 2023
Azo dyes are synthetic organic dyes used in the textile, leather, and paper industries. They pose environmental problems due to their toxic and persistent nature.
V. Vaiano, I. De Marco
semanticscholar   +1 more source

Degradation of Azo Dyes: Bacterial Potential for Bioremediation

open access: yesSustainability, 2022
The use of dyes dates to ancient times and has increased due to population and industrial growth, leading to the rise of synthetic dyes. These pollutants are of great environmental impact and azo dyes deserve special attention due their widespread use ...
Lucas Rafael Santana Pinheiro   +3 more
semanticscholar   +1 more source

Microbial Degradation of Azo Dyes: Approaches and Prospects for a Hazard-Free Conversion by Microorganisms

open access: yesInternational Journal of Environmental Research and Public Health, 2022
Azo dyes have become a staple in various industries, as colors play an important role in consumer choices. However, these dyes pose various health and environmental risks.
A. C. R. Ngo, D. Tischler
semanticscholar   +1 more source

Recent review on Synthesis, spectral Studies, versatile applications of azo dyes and its metal complexes

open access: yesResults in Chemistry, 2023
The review paper strives to concentrate on the categorization and diverse synthesis techniques of azo dyes and their complexes over the past ten years.
Roohinaz Khanum   +5 more
doaj   +1 more source

Synthetic utility of 5-amino-6-cyano-2-phenylthieno[2,3-d] oxazole [PDF]

open access: yesJournal of the Serbian Chemical Society, 2005
This paper describes the synthesis of 5-amino-6-cyano-2-phenylthieno[ 2,3-d]oxazole and its utilization for the preparation of a range of azo disperse dyes.
Kanetkar V.R., Walavalkar R.R.
doaj   +3 more sources

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