Abstract
Abstract: Currently, environmental pollution has become one of the most important issues faced by human beings. It has increased more rapidly in the past few years and reached alarming levels in terms of its toxic effects on living beings. Although pollution due to tanneries in India dates back 100 years, it received much attention only in therecent past. Toxic heavy metals are considered one of the strong pollutants that have a direct effect on humans and animals. Industrial wastewater containing heavy metals like lead, copper, cadmium, chromium, etc. can contaminate groundwater resources and thus lead to serious groundwater pollution problems. The present study isfocused on the removal of hexavalent chromium from an aqueous solution using an ecofriendly adsorbent, activated carbon prepared from the pods of the Delonix regime. The various parameters such as concentration, Activation time, and heavy metals (chromium is such metal which is to be found in the aqueous system in ionic form) are to be used.Adsorption has been advocated as the most promising among the currently known methods for wastewater treatment,especially for the removal of metals like copper, lead, chromium, and nickel.
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