Biochar is produced as a charred material with high surface area and abundant functional
groups by pyrolysis, which refers to the process of thermochemical decomposition of organic …

Chitosan, a low cost polymer, has been used in many studies for adsorption of heavy metal
ions. This review covers the performance of all those adsorbents which were derived from …

Wastewater treatment may help to reduce water shortages, whilst concurrently recover
energy and nutrients, leading to some of the exploitation of important sources being offset …

The quality of water is continuously under threat as increasing concentrations of pollutants
escape into the aquatic environment. However, these issues can be alleviated by adsorbing …

Advanced nanostructured materials like nanobiochar have come up with the sustainable
solutions for a range of problems of modern era. In recent years, carbon nanomaterials have …

Biochar produced by thermal decomposition of biomass under oxygen-limited conditions
has received increasing attention as a cost-effective sorbent to treat metal-contaminated …

Chromium originates from geogenic and extensive anthropogenic activities and significantly
impacts natural ecosystems and human health. Various methods have been applied to …

With the rapid growth of new-energy batteries and metallurgical industry, water pollution
caused by toxic heavy-metals from these sectors has increased to a new level, which is …

Chromium (Cr) is a potentially toxic metal originating from natural processes and
anthropogenic activities such as the iron-steel, electroplating, and leather industries, which …

Carbon-based adsorbents such as graphene and its derivatives, carbon nanotubes,
activated carbon, and biochar are often used to remove heavy metals from aqueous …