Effluent treatment plant commonly known as ETP or ETP plant, is a waste water treatment process (WWTP) used for treating the waste water solution.
ETP plant involves wastewater treatment process for treating contaminants in the form of organic matter, inorganic matter, heavy metals, oil & grease, suspended solids etc. The treatment methodology can be either batch or continuous flow process. Effluent treatment plant or wastewater treatment plant are further categorized into Chemical treatment, Biological treatment, combination of chemical & biological treatment and thermal treatment.