The general goal of wastewater treatment is reducing the dis-charge of toxic pollutants to an insignificant level. Heavy metal contamination presents a danger for living species.The removal
of heavy metals from wastewater is important to protect human health and the environment.Various treatment methods such as chemical precipitation,ion exchange,membrane filtrations and solvent extraction have been used for removal heavy metals from wastewater(Sekomo etal.,2012;Scibanetal.,2011;Rai et al.,1995;Sinicropeetal.,1992).