The principle of operation of Effluent Treatment Plant (ETP) is Physico-Chemical treatment, Secondary biological followed by Polishing Treatments like Sand Filtration, Activated Charcoal treatment (Adsorption), Ozonisation (Chemical Oxidation), Ultra Filtration (UF), Reverse Osmosis (RO) and evaporation (If required).

Features : Semi-automatic Operation.

Zero-liquid discharge (ZLD) is a water treatment process in which all wastewater is purified and recycled; therefore, leaving zero discharge at the end of the treatment cycle.