Removal arsenic from drinking water

The WHO provisional guideline of 10 ppb (0.01 mg/L) has been adopted as the drinking water standard. The arsenic contamination has been acknowledged as a ``major public health issue? .Arsenic removal Technologies are essential to develop economical and effective methods for removing arsenic in order to meet the new Maximum Contaminant Level (MCL) standard (10 mg/l) recommended by the World Health Organization (WHO).In this work the removal of pentavalent arsenic from synthetic water was studied on laboratory scale by using coagulation and filtration, adsorptive media and resin filtration, membrane filtration.Oxidation of As(III) to As(V) is usually needed for effective removal of arsenic from drinking water by most treatment methods.