Pre-treatment of leather tanning and dyeing wastewater
Smaller filtration resistance,the specific surface area is bigger,higher deironing efficiency
Diversified running modes,both manual operation and PLC full automatic running is acceptable;in automatic mode,it can be controlled by plane multitanderm valve or several automatic valves
Technical details:
Iron content: ≤20mg/L;
Manganese content: ≤3mg/L;
Raw water turbidity: <20FTU;
Alkalinity: ≤2mg/L;
Working Environment Parameters
Working Temperature:5-60℃
Working pressure: ≤0.6MPa
Operating Parameters
Working style: pressure style
Operating style: Current top-down
Filter speed: 6-10m/h(remove iron),5-8m/h(remove manganese)
Operation period: it depends on raw water condition, not less than 8 hours
Filter filtration rate: 8 ~ 300m3 / h
Flow Velocity: 8-15m/h
Backwash time: 10 to 15 minutes
Working pressure: ≤ 0.6Mpa
Water outlet: 2-5mg/L
Water inlet: <10mg/L
Water outlet: <2mg/L
Design temperature: 5 ~ 50C
Single sand filter straight Height: 1500mm
Activated carbon / cationic resin filter Height: 1000mm
