The continuous growth of population and increasing industrial activities in the different
sectors, viz., textiles, leather, plastics, cosmetics and food processing industries require the …

Highlights•Azo dye classification and toxic effects were discussed.•Sources and impact of
azo dyes were elucidated.•Biodegradation of azo dyes was explored.•Recent advances in …

In recent decades, the extensive use of synthetic dyes in dye-based industries, particularly
the textile sector, has led to environmental contamination, raising concerns about water …

In the present work, copper oxide nanoparticles have been fabricated by using a biological
method. Copper oxide nanoparticles (CuO NPs) have received more attention than other …

A hetero-Fenton zeolite-supported Fe 3 O 4 catalyst was synthesized using a simple
impregnation–precipitation method. The structure, morphology, and components of the …

The conventional treatments used to remove dyes produced as a result of different industrial
activities are not completely effective. At times, some toxic by-products are generated …

Various types of colored pigments have been recovered naturally from biological sources
including shells, flowers, insects, and so on in the past. At present, such natural colored …

Azo dyes, known for its toxicity and mutagenicity, are used by textile industries.
Bioremediation serves the best alternative treatment process due to its eco-friendly nature …

Azo dyes in textile industry effluent are one of the major toxic contaminants causing a severe
threat to life. Bioremediation is the most cost-effective and environmentally beneficial …

Discharge of organic dyes from various industries into water bodies have polluted the
resources appallingly which made them unsafe to use. Various materials developed for the …