- Efficiently decant ash ponds with up to 1,500 GPM flow capacity
- Self-adjusting weir system automatically adapts to changing water levels
- Removes surface oils and floating debris 24/7 without stirring settled ash
- Built for power plants, coal facilities, and industrial operations dealing with ground contamination
- USA-manufactured quality with 20+ years of proven floating weir technology
- Fits in SUV for easy transport – designed for installation by crews in small boats
- Works with any pump that can pull suction – only one moving part (hinged weir)
IN STOCK. READY TO SHIP.
Need a Wastewater Treatment System without the 12–16 week wait? We keep units in production so you can reduce disposal costs and keep operations running — no downtime, no delays.
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Dissolved Air Flotation (DAF) System Features
Advanced Industrial Wastewater Separation – Engineered for Efficiency
SkimOIL® DAF systems use super-saturated air to float suspended solids, oils, and contaminants to the surface for efficient removal. Compact and low-maintenance, these units deliver rapid startup and high air transfer efficiency for industrial process water treatment.
01
Design
- State-of-the-art DAF technology: Delivers nearly instant saturation without complex startup procedures or equalization tanks.
- Efficient air transfer: Higher saturation pressures with 12% @ 93% entrainment for superior contaminant flotation.
- Robust construction: Available in 304 or 316 stainless steel for durability in harsh environments.
- Versatile configurations: Flatbottom designs, vapor covers, and walkways/stairs available to meet site requirements.
- Process-friendly operation: Minimal instrumentation, labor, and maintenance requirements.
02
PERFORMANCE
- Effective contaminant removal: Microscopic air bubbles attach to solids, oils, and emulsions, changing buoyancy for rapid surface removal.
- Chemical pretreatment compatible: Works with flocculants and polymers to enhance solids and oil recovery.
- Consistent results: Maintains high removal efficiency across variable flow rates and contaminant loads.
- Multi-application versatility: Suitable for vehicle wash racks, animal processing, military wash racks, steel mills, tank farms, petrochemical, and industrial process water.
03
INSTALLATION & MAINTENANCE
- Plug-and-play options: Influent and effluent feed systems, sludge and float pumpouts, and effluent filtration available.
- Minimal upkeep: Alternate wiper materials and chemical pretreatment reduce fouling and improve performance.
- Customizable: pH adjustment systems, flow meters, and emulsion breaking systems tailor the system to your specific needs.
WHY DAF SYSTEMS MATTER
DAF technology provides a reliable, efficient method for removing oils, solids, and other contaminants from industrial wastewater. By using air-induced flotation, contaminants rise to the surface for quick and easy removal, keeping facilities compliant, reducing disposal costs, and ensuring uninterrupted operations. SkimOIL® DAF units combine process-friendly design, chemical pretreatment options, and robust construction to deliver high-performance separation across a wide range of industrial applications.
Overview
The DAF process consists of super saturation of discharge water from the effluent end of the DAF tank with air. The super saturated water stream is then mixed with the wastestream. As pressure is removed from the saturated stream millions of microscopic bubbles form and attach themselves to the contaminants in the wastewater, thereby changing their buoyancy and floating them to the water surface where they can be skimmed and removed from the water.
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Design Advantages
The DAF design incorporates today’s “state of the art” technology in DAF design. This design simplifies the DAF process, requires less startup time, less capital cost, instrumentation, labor and maintenance. The design is process friendly, providing virtually instant saturation upon system startup without equalization and complex startup procedures. Higher air transfer efficiencies are also realized due to higher saturation pressures with 12% @ 93% entrainment. We can provide both styles of DAF design depending on application and customer preferences.
Chemical Pretreatment
Chemical pretreatment often improves DAF solids removal efficiencies. The use of chemical flocculants with DAF is based on system efficiency, application (use of DAF) contaminant characteristics and cost. Commonly used chemicals include trivalent metallic salts of iron, such as FeCl₂ or FeSO₄ or aluminum, such as Al₂(SO₄)₃. Organic and inorganic polymers (cationic or anionic) are often used to enhance the flotation process. The most commonly used inorganic polymers are the polyacrylamides.
Options
- 304/316 Stainless Construction
- Emulsion Breaking System
- Chemical Pretreatment
- Sludge Pumpout
- Float Pumpout
- Effluent Pumpout
- Influent Feed
- pH Adjustment System
- Effluent Filtration System
- Vapor Cover
- Alternate Wiper Materials
- Walkways/Stairs
- Flow Meter
- Flatbottom Designs
Applications
- Vehicle Wash Racks
- Animal Processing Plants
- Military Wash Racks
- Industrial Process Water
- Steel Mills
- Tank Farms
- Petro-Chemical