Sulphuric Acid (H2SO4), Flocculants, Activated Carbon (AC), Copper Sulphate (CuSO4), Anhydrous lime (CaO), Hydrated lime (Ca (OH) 2), limestone (CaCO3), Sodium Cyanide (NaCN), Sodium Hydroxide (NaOH), Sodium Bicarbonate (NaHCO3), Sodium Metabisulphate, Adipic Acid ((CH2)4(COOH)2), Nitric Acid (HNO3), Soda Ash (Na2CO3), Thiourea (SC(NH2)2).