Flottation, Filtration, Adsorption, Ultrafor, Microfiltration, Nanofiltration, Industrial effluent treatment, Chemical industries, Settling, Flotation, Oxidation, Reverse Osmosis, Ion exchange ... Flottation Filtration Adsorption Ultrafor Microfiltration Nanofiltration Industrial effluent treatment Chemical industries Settling Flotation Oxidation Reverse Osmosis Ion exchange Aerobic Anaerobic...