查看文章

Tannery industry is considered to be one of the most important industry because of their economic, employment, and export potential. At the same time, because of the discharge of untreated effluents, these are treated as primary source of pollutants which has immense potential to pollute the soil and water. More than 200 chemicals are being used in this process, and further a mixture of complex toxic substances, such as polychlorinated biphenyl, chromium, sulphides, nitrates, etc., gets discharged as waste. Chromium is considered as the most toxic to humans and biota along with other environments. Various environmental agencies have enforced regulations related to the discharge of these toxic chemicals in to the water bodies. Thus, removal of toxic, such as hexavalent chromium, from the water becomes utmost important. Less work has been reported for the removal of chromium, sulphides, and toxic …