Daftech Engineers Private Limited
Daftech Engineers Private Limited
Sector 7-C, Chandigarh
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DAF Clarifiers for primary treatment

Dissolved Air Flotation is an ideal process for primary clarification of a variety of industrial wastewater containing suspended solids, colloids, colour and oil and grease. We guarantee TSS of less than 100 ppm and oil and grease less than 10 ppm in the clarified effluents from the DAF system and substantial deduction of colour with use of proper coagulation and flocculation chemistry.

Air Mixing Tube

Air Mixing Tube
  • Air Mixing Tube
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Product Details:

Minimum Order Quantity1 Piece
Diameter of AMT150 mm to 450 mm
Retention time in AMT10 seconds
Foat cell Sizes1.2 m to 16. 8 m.
Quantity of water to be treatedone third of the flow
Installation ServiceYes
Feed Flow Rate (cubic-meter/day)60 lpm to 3000 lpm
Type Circular
Treatment Capacity5m3/hr to 1250m3/hr
Water SourceIndustrial Effluent, Municipal Sewage, Commercial Waste Water
Treatment Capacity (m3/h)1.5 m3/hr to 415 m3/hr.
IndustryAutomobile, Pharmaceutical Industry, Chemical/Petroleum Industry, Industrial effluent with TSS, Paper Mills, Slaughter House, Sugar Industry, Leather Industry, Dairy Industry
Air flow rate(m3/h)Depends on the flow
Applicable Industry Food Industry, Slaughter House, Oil refining Industry, Chemical Industry, Industrial effluents with TSS
Dimensions (Mtrs)0.62 to 3.07
Treated Water QualityTSS 100 ppm or less
Treatment StagesPrimary Treatment, Preliminary Treatment, Secondary Treatment
Installation TypePrefabricated

Dissolved Air Flotation process consists of super saturation of partial flow of clarified water from the system with air from a compressor. The partial flow of approximately 1/3rd of the intake flow is pressurized through a pressure pump to about 6.5 bar which then enters the Air Mixing Tube where it is saturated with air under pressure. The super saturated water steam is then mixed with the waste stream after pressure release. The sudden release of pressure from the saturated stream generates millions of microscopic air bubbles which attach themselves to the contaminants of oil and suspended and colloidal solids in the wastewater, thereby changing their buoyancy and floating them to the surface of the water from where the sludge is skimmed and removed from the water.
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Additional Information:

  • 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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Circular DAF Clarifier

Circular DAF Clarifier
  • Circular DAF Clarifier
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Product Details:

Minimum Order Quantity1 Piece
Tank diameter ranges1.2 m to 16.8 m
Maximum Capacity excluding recycle1250 m3/hr.
Height560 mm to 750 mm
Diameter1219 mm to 16800 mm
Type Circular
Treatment Capacity5m3/hr to 1250m3/hr
Inlet TSS (Mg/L)Up to 2000 ppm
Treatment Capacity (m3/h)5 m3/hr to 1250 m3/hr
Industry Leather Industry, Slaughter House, Pharmaceutical Industry, Dairy Industry, Chemical/Petroleum Industry, Paper Mills
Air flow rate(m3/h)Depeds on feed rate
Surface Area (m2)1.02 m2 to 197.95 m2
Applicable IndustryChemical Industry, Hospital, Slaughter House, Oil refining Industry, Food Industry
Dimensions (Mtrs)1.2 meter to 16.8 meter
Automation GradeSemi-Automatic
Driving PrincipleCentre Driven
Tank Diameter1.2 meter to 16.8 meter
Dimensions (in meters)Diameter 1.2 meter to 16.8 meter
Volume (in cubic-meters)0.225 m3 to 62.37m3
Surface Area (in meter-square)1.02 m2 to 197.95 m2
Hydraulic Loading9.6 m3/m2/hr
Solids Loading16 kg/m2/hour
Tank Height650 mm
Installation/Civil WorkInstallation Available
Approximate Power Consumption (in kW)Depends on Floatcell Size
Manufacturing Lead Time3 months
Material of ConstructionPU-coated MS, SS 304, SS316, SS316L, Duplex Steel

Circular DAF Clarifier of our design has the following advantages compared to conventional rectangular DAF Clarifier. Rectangular DAF Clarifier are generally fixed installations in concrete whereas circular DAF clarifier are fabricated in steel. Rectangular DAF Clarifier are generally fixed installations in concrete whereas circular DAF clarifier are fabricated in steel. In rectangular DAF Clarifier the sludge consistency obtainable is limited to 3% whereas in circular DAF of ours it is possible to go even up to 4%. A rectangular DAF clarifier has no inbuilt parts for bottom cleaning whereas the circular DAF of our design has a self cleaning system at the bottom. This eliminates down time for cleaning. Generally speaking rectangular DAF clarifier handle 3 m3/min whereas circular DAF clarifier of ours can handle up to 20 m3/min. Rectangular DAF clarifier has specific clarification capacity of 80 l/min./m2 whereas in our clarifier one could go up to 160 l/min./m2. Compared to the retention time of 20 min. in a rectangular DAF clarifier our circular DAF has a retention as low as 3 mins. which makes the unit exceptionally compact.
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Additional Information:

  • 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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Dissolved Air Flotation Systems

Dissolved Air Flotation Systems
  • Dissolved Air Flotation Systems
  • Dissolved Air Flotation Systems
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Product Details:

Minimum Order Quantity1 Piece
Operation ModeSemi-automatic
Max. Capacity Excluding Recycle1250 m3/hr.
Diameter1.02 meter to 16.8 meter
Feed Flow Rate (cubic-meter/day)120 m3 to 29
Type Circular
Treatment Capacity5m3/hr to 1250m3/hr
Inlet TSS (Mg/L)Up to 2000 ppm
Water Source Commercial Waste Water, Industrial Effluent, Municipal Sewage
Treatment Capacity (m3/h)5 m3/hr to 1250 me3/hr
Air flow rate(m3/h)Depeds on feed rate
Industry Pharmaceutical Industry, Chemical/Petroleum Industry, Automobile, Paper Mills, Slaughter House, Leather Industry, Dairy Industry
Surface Area (m2)1.02 m2 to 197.95 m2
Applicable IndustryHospital, Slaughter House, Chemical Industry, Food Industry, Oil refining Industry
Dimensions (Mtrs)Dia 1.2 meter to 16.8 meter
Treated Water QualityTSS 100 ppm or less
Treatment Stages Primary Treatment
Automation GradeSemi-Automatic
Driving PrincipleCentre Driven
Installation Type Prefabricated
Bridge TypeFull Bridge, Half Bridge
Tank Diameter1.2 meter to 16.8 meter
Dimensions (in meters)Diameter 1.2 meter to 16.8 meter
Volume (in cubic-meters)0.225 m3 to 62.37m3
Surface Area (in meter-square)1.02 m2 to 197.95 m2
Hydraulic Loading9.6 m3/m2/hr
Solids Loading16 kg/m2/hour
Tank Height650 mm
Installation/Civil Work Installation Not Available
Approximate Power Consumption (in kW)Depends on Floatcell Size
Manufacturing Lead Time3 months
Material of ConstructionPU-coated MS, SS 304, SS316, SS316L, Duplex Steel

Dissolved Air Flotation Systems is a waste water treatment process that clarifies Waste Water containing oils in emulsified form by the removal of suspended matter such as oil or solids.
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Additional Information:

  • 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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Daf Clarificador

Daf Clarificador
  • Daf Clarificador
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Product Details:

Minimum Order Quantity1 Piece
Treatment Capacity2500 m3/hr, 500 m3/hr
IndustryPaper Mills, Chemical/Petroleum Industry, Dairy Industry, Distillery
Treatment Capacity (m3/h)200m3/h, 1000 m3/h, 150 m3/h
Water SourceIndustrial Effluent
Applicable IndustryFood Industry, Slaughter House, Chemical Industry
Installation/Civil WorkInstallation Available

Installation of a DAF Save-all in the white water stream of a paper mill amortizes itself in a matter of 6-9 months by way of recovery of valuable firbre and clarified water which can be substituted for fresh water within the mill. Our DAF Save-alls are in operation in paper mills in Scotland, Saudi Arabia, UAE, Iran, Malaysia, Sri Lanka and Bangladesh besides India
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DAF Clarifier

DAF Clarifier
  • DAF Clarifier
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Product Details:

Type Circular
Treatment Capacity 1000 m3/hr, 5m3/hr to 1250m3/hr
Automation GradeSemi-Automatic
IndustryLeather Industry, Paper Mills, Automobile, Chemical/Petroleum Industry, Pharmaceutical Industry, Slaughter House, Dairy Industry
Driving PrincipleCentre Driven
Tank Diameter 10 m, 1.2 meter to 16.8 meter
Bridge Width 0.75 m
Dimensions (in meters)Diameter 1.2 meter to 16.8 meter
Volume (in cubic-meters)0.225 m3 to 62.37m3
Surface Area (in meter-square)1.02 m2 to 197.95 m2
Hydraulic Loading9.6 m3/m2/hr
Solids Loading16 kg/m2/hour
Tank Height650 mm
Installation/Civil WorkInstallation Available
Approximate Power Consumption (in kW)Depends on Floatcell Size
Manufacturing Lead Time3 months
Material of ConstructionPU-coated MS, SS 304, SS316, SS316L, Duplex Steel

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Additional Information:

  • 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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Dissolved Air Flotation Clarifiers

Dissolved Air Flotation Clarifiers
  • Dissolved Air Flotation Clarifiers
  • Dissolved Air Flotation Clarifiers
  • Dissolved Air Flotation Clarifiers
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Product Details:

Minimum Order Quantity1 Piece
Wastewater flows Rate5 m3/hr to 1250 m3/hr
Float Cell Sizes1.2 m to 16. 8 m.
Installation/Civil WorkInstallation Available

Daftech designs and manufactures a complete line of circular daf clarifier. flotation has been widely used for industrial wastewater treatment since 1920. the typical industrial wastes treated by flotation are paper mill backwater, oily wastewater as well as effluents from milk processing, textile processing, tanneries and a variety of other industries.

float cell:
  • float cells are circular in shape, ranging in diameter from 1.2 m to 16.8 m and flow rate from 5 m3/hr. to 1247 m3/hr. and a liquid depth of only 0.65 m.

size range of daf clarifier:

  • daf clarifier are available to process wastewater flows of 5 m3/hr to 1250 m3/hr. utilizing a shallow circular tank approximately 65 cm deep. tank diameter ranges from 1.2 m to 16.8 m.

 

construction of daf clarifier:
  • the standard float cell features a polyurethane-coated carbon steel circular tank, tank bottom supports, side wall stiffeners, heavy-duty tank rim, top bridge and catwalk in bigger sizes. units can be fabricated entirely in ss 304 on request. all clarifier feature a standard sludge cone, air mixing tube, central rotary joint, sludge scoop, variable speed geared motors and top bridge with attached assembly.
  • our daf clarifier of 5 m3/hr to 1250 m3/hr. are fabricated in such a way that even the largest unit can be transported in a standard container whereas the smallest daf clarifier of 5 m3/hr. is one singe tank. in higher sizes the daf tank is constructed in segments and assembled at site with gaskets and fasteners.
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Shaju Peter (Managing Director)
SCO 23, Inner Market, Sector 7C
Chandigarh -160019,India



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