The wastewater comes from the grinding process of glass touching screen. The process out water will go back to the grinding process and be reused. The process flow rate is 160m³/h. The treatment process includes source water – press filter – centrifugal filter – old CF – white buffer tank – cartridge filters – VMAT – process out water to be reused. SS in CF process in water: 15mg/l; SS in CF process out water: <4mg/l