“…(Crini, 2006). Flocculation is a process that destabilized the finely divided particles, accelerate to make large flocs, so as to be settled and separated from the wastewater (Chang, Hao, & Duan, 2008;Pal, Ghorai, Dash, Ghosh, & Udayabhanu, 2011). Earlier, inorganic coagulants like alum, ferrous sulphate, poly AlCl 3 , ferric chloride have been used for wastewater treatment.…”