Heavy Metals Removal Techniques from Industrial Waste Water

Abstract

Regarded as pollutants heavy metals like Arsenic (As), Hg (Mercury), Zn (Zinc), Cd (Cadmium), Thallium (Tl) and Pb (Lead) not only pose a serious threat on water ecosystem but also on human health owing to their highly toxic, non-biodegradable, and carcinogenic behavior. With industrial advancement it has become one of the foremost sources of heavy metals instigating it into different component of ecosystem air, water and soil. Various techniques are currently available which are used for the treatment of discharge of various industries often laden with noxious metal particles. This chapter discusses in brief current wastewater treatment procedures for removal of heavy metals.