# Water Treatment Unit Process - **Physical Treatment** - *Screening* - Coarse Screens - Fine Screens - *Sedimentation* - Plain Sedimentation - Tube Settlers - *Filtration* - Rapid Sand Filtration - Slow Sand Filtration - **Chemical Treatment** - *Coagulation* - Alum - Ferric Chloride - *Flocculation* - Polymer Addition - Rapid Mix - *Disinfection* - Chlorination - UV Disinfection - **Biological Treatment** - *Activated Sludge Process* - Aeration Tank - Secondary Clarifier - *Trickling Filter* - Media - Distributor - **Advanced Treatment** - *Membrane Filtration* - Microfiltration - Ultrafiltration - *Reverse Osmosis* - High Pressure Pump - Membrane Module - **Sludge Treatment** - *Thickening* - Gravity Thickener - Dissolved Air Flotation - *Dewatering* - Belt Filter Press - Centrifuge - **Disposal** - *Land Application* - Agricultural Use - Landfill - *Incineration* - Thermal Treatment - Energy Recovery - **Monitoring** - *Online Monitoring* - Turbidity - pH - *Laboratory Analysis* - BOD - COD