A critical global issue in the 21st century is water shortage, as well as its pollution with
noxious metal ions and organic dyes. To extract these pollutants from wastewater, a variety …

Despite the importance of chromium (Cr) in most anthropogenic activities, the subsequent
environmental adulteration is now a source of major concern. Cr occurs in numerous …

Fluoride contamination in water environment due to natural and artificial activities has been
recognized as one of the major problems worldwide. Developing effective and robust …

Abstract Zinc oxide nanoparticles (ZnO-NPs) have in recent times shown effective
adsorption capability for the confiscation of colour contaminants from aqueous environments …

High-performance room-temperature gas sensors have tremendous potential in real-world
applications like air quality control, food safety, and health monitoring. In this work, we report …

Antibiotics in the water environment pose harm to animals, plants, and humans. In this study,
biochar doped with sulfur (S), nitrogen (N), and NS was used to adsorb and activate …

Presently, hazardous metal and dye removal from wastewater is one of the major areas of
research focus. For the elimination of these contaminants, many approaches have been …

Water pollution with carbon-based dyes is a critical environmental problem owing to the
severe life-threatening issues associated with their ingestion by humans and the associated …

Several agronomic waste-materials are presently being widely used as bio-adsorbents for
the treatment of toxic wastes such as dyes and heavy metals from industrial activities, which …

The difference between physical activations (by sonications) and chemical activations (by
ammonia) on sawdust biochar has been investigated in this study by comparing the removal …