dissolved air flotation clarifier
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Dissolved Air Flotation (DAF) is an effective method of treating industrial wastewaters especially from paper mills, dairy units, textile industries, tanneries and food processing like edible oil refining, fisheries, meat processing etc. Recent applications would also suggest that it is an ideal process for clarifying mixed liquor from aeration basins of activated sludge systems. State-of-the-art DAF clarifies are circular in shape with a retention of 3 minutes, compared to rectangular first generation DAF units of 20-30 minutes retention. Daftech Floatcells have done away with overflow weirs which use extra space and warrant extra supporting columns. Daftech Floatcells operate with a pressurized recycle flow of 25 � 30% and generate fine bubbles of 30 micron size which lift the suspended particles to the top surface from where it is picked up by a scoop. Clarified water from Floatcell will not have TSS more than 50 ppm. BOD reductions generally achieved vary between 50 and 80 % depending upon the nature of solids removed. The other advantage of using flotation is that the sludge separated has a much higher consistency, 2 - 3.5%, as against 0.8 � 1% from the bottom of conventional sedimentation clarifiers. Daftech Floatcell employs imported German variable speed gear motors for the drive systems. The speed is steplessly variable over a range of 3-21 RPM. Where the standard construction is mild steel with a special anti- corrosive paint, fabrication in SS 304 and 316 also are offered to overseas clients and special applications. The equipment comes prefabricated and can be erected at site in 5-7 days.
Tube Settler Clarifier
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The company is a highly acclaimed Manufacturer and Supplier of Tube Settler Clarifier, which has various tubular channels situated in a slope with a 60o angle. Having an extremely large settling area, the Tube Settler Clarifier works in a shallow settling depth with great efficiency. This enhances the settling efficiency of Tube Settler Clarifier, as it captures the fine flock that may escape the clarification zone. The Tube Settler Clarifier allows large flocks to settle at the bottom of the tank, which are accumulated as compacted flocks and removed.
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Dissolved Air Floatation Clarifier
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Wock-Oliver's DAF , Dissolved air floatation clarifier has been widely used for industrial wastewater treatment. The typical industrial wastes treated by flotation are paper mill backwater, oily wastewater as well effluents from sugar, dairy, textile industries and tanneries. Dissolved air flotation clarifiers or dissolved air flotation units (with 3 - 5 minutes of detention time) can replace sedimentation (with 2 - 3 hours of detention time) for clarification, has been overlooked by environmental engineers for many decades. Modern high rate DAF clarifiers have advanced to such an extent that they could overshadow conventional settling clarifiers in wastewater treatment. DAF hydraulic loading has increased from 1 L/m2.s to 2.5 L/m2.s and for a triple stacked unit to 7.5 L/m2.s. The detention time has decreased from 30 minutes to 3 minutes. Air dissolving is improved and now requires only 10 seconds retention time in the air mixing tube instead of the previous 60 seconds. The smaller size and weight of a modern DAF unit allow for inexpensive construction and flexibility of erection using prefabricated units. The availability of excellent flocculating chemicals gives a high stability of operation and high clarification degree. DAF ADVANTAGES Low capital and operational costs Continuously self-cleaning Totally integrated Minimal maintenance Pre-engineered Stable operation Space saving and low foundation costs High quality clarified water Simple installation Superior performance High chemical efficiency Easily relocatable
Dissolved Air Floatation Clarifier
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Dissolved air floatation clarifier has been widely used for industrial wastewater treatment. The typical industrial wastes treated by flotation are paper mill backwater, oily wastewater as well effluents from sugar, dairy, textile industries and tanneries.
dissolved floatation clarifier
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We are offering dissolved air floatation clarifier has been widely used for industrial wastewater treatment. The typical industrial wastes treated by flotation are paper mill backwater, oily wastewater as well effluents from sugar, dairy, textile industries and tanneries.