Industrial effluents/wastewater are the main sources of hexavalent chromium (Cr (VI))
pollutants in the environment. Cr (VI) pollution has become one of the world's most serious …

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 …

Nowadays, due to the economic and industrial development, water contaminated with heavy
metals is a significant concern and one of the acute global environmental problems …

Chromium is a potentially toxic metal occurring in water and groundwater as a result of
natural and anthropogenic sources. Microbial interaction with mafic and ultramafic rocks …

Contaminated soil containing toxic metals and metalloids is found everywhere globally. As a
consequence of adsorption and precipitation reactions, metals are comparatively immobile …

Chromium (Cr) is a toxic heavy metal that is heavily discharged into the soil environment
due to its widespread use and mining. High Cr levels may pose toxic hazards to plants …

Recently, biochar has received significant attention, especially for the removal of potentially
toxic elements (PTEs) from water and wastewater. No review has been focused on the …

Addressing heavy metal pollution is one of the hot areas of environmental research. Despite
natural existence, various anthropomorphic sources have contributed to an unusually high …

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

Chromium exists mainly in two forms in environmental matrices, namely, the hexavalent (Cr
(VI)) and trivalent (Cr (III)) chromium. While Cr (III) is a micronutrient, Cr (VI) is a known …