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
INDICATIVE LIST OF OUR DAF
Fibre Recovery in Pulp and Paper Mills
Ballast Water
Carbon Black Production
Solids Recovery
Fish Processing
Soap Industry
Municipalities
Meat Processing and Packing
Primary Clarification
Tanneries
General Food Manufacturing
Secondary Clarification
Sludge Thickening
Snack Food Production
Vegetable Oil Processing
Dairies
Rendering Plants
Laundries
Breweries
Canning Water
Water Recycling
Algae Removal
Bakeries
Car Wash Operations
Poultry Processing
Confectionery
Textile Effluent
Refineries
Potato Processing
Starch Removal
Pharmaceuticals
Slaughter Houses
Heavy Metals Removal
Membrane System Pre-treatment
Paint Shops
Jute Mill Effluents
Our DAF Clarifier or Dissolved Air Floatation
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