Primary Treatment of wastewater with air flotation

Wastewater Primary Treatment Dissolved Air Flotation Units

Product Details:
  • Air flow rate(m3/h): Depends on the Floatcell size
  • Applicable Industry: Oil refining Industry, Food Industry, Slaughter House, Chemical Industry
  • Approximate Power Consumption (in kW): Depends on Floatcell Size
  • Bridge Type: Full Bridge, Half Bridge
  • Dimensions (Mtrs): Dia 1.2 meter to 16.8 meter
  • Dimensions (in meters): Diameter 1.2 meter to 16.8 meter
  • Feed Flow Rate (cubic-meter/day): 120 m3 to 29
  • Hydraulic Loading: 9.6 m3/m2/hr
  • Industry: Dairy Industry, Pharmaceutical Industry, Paper Mills, Leather Industry, Chemical/Petroleum Industry, Automobile, Slaughter House
  • Inlet TSS (Mg/L): Up to 2000 ppm
  • Installation Type: Prefabricated
  • Installation/Civil Work: Installation Available
  • Manufacturing Lead Time: 3 months
  • Material of Construction: PU-coated MS, SS 304, SS316, SS316L, Duplex Steel
  • Solids Loading: 16 kg/m2/hr
  • Surface Area (in meter-square): 1.02 m2 to 197.95 m2
  • Surface Area (m2): 1.02 m2 to 197.95 m2
  • Tank Diameter: 1.2 meter to 16.8 meter
  • Tank Height: 650 mm
  • Treated Water Quality: TSS 100 ppm or less
  • Treatment Capacity: 5m3/hr to 1250m3/hr
  • Treatment Capacity (m3/h): 5 m3/hr to 1250 m3/hr
  • Treatment Stages: Preliminary Treatment, Primary Treatment
  • Type: Circular
  • Volume (in cubic-meters): 0.225 m3 to 62.37m3
  • Water Source: Industrial Effluent, Municipal Sewage, Commercial Waste Water
  • Diameter: 1.2 to 16.8 meter
  • Max. Capacity Excluding Recycle: 1247 m3/hr.
  • Minimum Order Quantity: 1 Piece

Dissolved Air Flotation is the preferred option for primary treatment where the contaminants are fine suspensions, colloids, oil and grease and flocculable colour. Depending on the fraction of suspensions and oil grease that exert BOD, reducion efficiency of BOD in the range of 25% to 90% is achievable. Below is a comparison of DAF clarifier with conventional sedimentation clarifier:

1. Daftech clarifier has a retention time of 3 minutes against 2 hours in a sedimentation clarifier.

2. TSS removal of 98% is possible whereas in a conventional clarifier the average efficiency does not exceed 70%.

3. Oil removal down to 10 ppm is possible whereas in a conventional clarifier there is no possibility of removing O&G.

4. The higher efficiency of BOD removal in a DAF clarifier results in lower energy consumption in downstream biology.

5. Sludge consistency as high as 3 to 3.5% is achievable against 1 to 1.2% in a sedimentation clarifier.

6. Sludge flows by gravity whereas in a conventional clarifier sludge transfer would require sludge pumps.
Additional Information:
  • Item Code: HSN84212900
  • Pay Mode Terms: L/C (Letter of Credit),T/T (Bank Transfer)
  • Port of Dispatch: Any Indian Port
  • Production Capacity: 3 units per month
  • Delivery Time: 3 months
  • Packaging Details: Sea-worthy
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