Congo red (CR) dye is an organic pollutant of environmental concern. It is applied in textile,
printing, dyeing and rubber industries as colorant. The carcinogenicity, mutagenicity and …

Printing and dyeing wastewater (PDW) has characteristics of large amount of water,
elevated content of residual dyes, poor biodegradability, high alkalinity and large change of …

In the last 3 years alone, over 10,000 publications have appeared on the topic of dye
removal, including over 300 reviews. Thus, the topic is very relevant, although there are few …

The textile industry uses large amounts of dyes like reactive, azo, anthraquinone, and
triphenylmethane to colour textiles. Dyes that are not used up during the colouration process …

Environmental contamination brought on by the discharge of wastewater from textile
industries is a growing concern on a global scale. Textile industries produce a huge quantity …

Petroleum refinery wastewater (PRW) is a complex mixture of hydrocarbons, sulphides,
ammonia, oils, suspended and dissolved solids, and heavy metals. As these pollutants are …

Organic contaminants in water are a growing environmental threat to sustainable
development, with detrimental effects on the biosphere. In recent years, researchers have …

The present work utilizes waste black cardamom (BC) as an inexpensive and
environmentally friendly adsorbent for sequestering the Congo Red (CR) dye from aqueous …

Extremely soluble Malachite green (MG) acts as potential carcinogen for aquatic life in
polluted aqueous environments. Current study aims to modify rice husk derived biochar to …

Biochar is a low cost, porous and solid material with an extremely high carbon content,
various types of functional groups, a large specific surface area and many other desirable …