CHEMICALS USED IN ETP
For PH neutralization: acids (HCI) and base (NaOH).
Coagulant / Setting aids: Aluminium Sulphate.
Ferric Aluminium Sulphate, ferric Sulphate, Ferric Chloride, these may be independent or in combination with poly Electrolytes (Polymers).
Nutrients: Urea, Di-ammonium Phosphate.
Disinfectant: Chlorine, Bleaching Power (Sodium Hypo – Chlorite). Ozone.
Adsorption / absorption : Activated Carbon .
