Occurrence and enhanced removal of heavy metals in industrial wastewater treatment plant using coagulation-flocculation process

Abstract

Heavy metal pollutants in aquatic environments cause a severe threat to public health and ecological systems (Wang et al. 2010; Ambashta and Sillanpää 2010). Cadmium, zinc, copper, nickel, lead, mercury and chromium are often detected in industrial wastewaters, which originate from metal plating, mining activities, tanneries, surface treatment processes, paint manufacture.