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The “KROFTA” SUPRACELL has a distinct edge Over other systems when the sludge or water is recycled to the process and where the type of waste water varies. For Pulp and Paper Industry the small volume and short retention time are extremely important, where the supracell is used as a save-all and in the de-inking process. |
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Krofta's MULTIFLOAT(MF) is a rectangular DAF unit engineered to be installed on a wide variety of industrial or municipal applications. The modular design configuration of the MF allows additional Floatation Enhancement Cells (FECs) to be added or subtracted from the floatation cell to |
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The degree of fractionation and/ or microstraining depends on many factors; inlet consistency, spray pressure, inlet filler content, micron opening size, and particularly fines content of the fiber fraction.
The following results can be expected
l Coarse impurities are separated out. All the water is microstrained.
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Krofta Engineering Limited, India was started in 1983 with technical collaboration with Krofta Technologies Corporation, USA. Krofta is the world leader in Dissolved Air Floatation clarifiers ( DAF) and the technology was developed and patented worldwide by its founder Dr. Milos Krofta.
Krofta clarifiers have retention times as low as 3 minutes and with a possibility of resource recovery in some cases as opposed to the sedimentation methods characterised by very long retention times. Krofta, is the world leader in this field having more than 3500 installations running successfully all over the world.
The advanced DAF system offered by Krofta does not warrant a separate flocculation tank, flocculation mixer, flash tank and flash mixer. The Air Saturation Tank of yesteryears is replaced by the patented Krofta Air Dissolving Tube (ADT) which provides effluent saturated with air in residence time of 10 seconds. Air requirement is also very low as compared to the DAFs of earlier designs.
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PULP AND PAPER |
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SUGAR |
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EDIBLE OIL |
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DAIRY |
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TANERY |
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PETROLEUM |
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PAINT |
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DE-SALINATION |
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