Product Features
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✅ Wide Capacity Range: Single-unit flow capacity from 1 to 100 m³/h, suitable for both small-scale and large-scale wastewater treatment projects, especially for global export markets.
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✅ Recycle Flow DAF Technology: Enhanced efficiency through recirculated pressurized water, ensuring stable air saturation and optimal bubble formation.
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✅ Advanced Pressurization System: Generates a dense cloud of fine microbubbles to maximize contact with suspended solids and oils.
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✅ Custom-Engineered Designs: Tailored DAF systems available based on specific wastewater characteristics and target pollutant removal levels. Adjustable recycle flow ratios ensure consistent performance.
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✅ Adjustable Sludge Skimming: Stainless steel chain-type skimmer accommodates varying sludge volumes, ensuring effective and consistent sludge removal.
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✅ Compact and Integrated Design: Optional coagulation, flocculation, and clean water tanks integrated into the DAF unit to minimize installation space and reduce capital cost.
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✅ Automated Operation: Remote monitoring and automatic control system enhance operational safety and efficiency.
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✅ Durable Construction Materials:
① Epoxy-coated Carbon Steel
② Epoxy-coated Carbon Steel with FRP lining
③ Corrosion-resistant Stainless Steel 304 or 316L for harsh environments

Typical Applications
DAF systems are versatile and widely used across industrial and municipal sectors for various wastewater treatment objectives, including:
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✔️Product Recovery & Reuse: Reclaims valuable materials from process water, reducing waste and enhancing resource efficiency.
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✔️Pretreatment for Sewer Discharge Compliance: Ensures treated effluent meets local environmental discharge regulations.
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✔️Biological System Load Reduction: Removes oils, solids, and grease before biological treatment, improving downstream efficiency.
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✔️Final Effluent Polishing: Enhances the clarity of biologically treated effluent by removing remaining suspended particles.
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✔️Removal of Oils, Grease, and Silt: Particularly effective for wastewater containing emulsified fats and fine solids.
Widely Applied In:
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✔️Meat, Poultry & Seafood Processing Plants: Removes blood, fat, and protein residues.
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✔️Dairy Production Facilities: Separates milk solids and grease from process water.
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✔️Petrochemical Industry: Treats oily wastewater and separates hydrocarbons.
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✔️Pulp & Paper Mills: Removes fibrous materials and ink residues.
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✔️Food & Beverage Manufacturing: Manages organic contaminants and cleaning byproducts.
Technical Parameters
Model | Capacity (m³/h) |
Dissolved air water volume(m) | Main motor power(kW) | Mixer power(kW) | Scraper power(kW) | Air compressor power(kW) | Dimensions (mm) |
HLDAF-2.5 | 2~2.5 | 1 | 3 | 0.55*1 | 0.55 | - | 2000*3000*2000 |
HLDAF-5 | 4~5 | 2 | 3 | 0.55*2 | 0.55 | - | 3500*2000*2000 |
HLDAF-10 | 8~10 | 3.5 | 3 | 0.55*2 | 0.55 | - | 4500*2100*2000 |
HLDAF-15 | 10~15 | 5 | 4 | 0.55*2 | 0.55 | - | 5000*2100*2000 |
HLDAF-20 | 15~20 | 8 | 5.5 | 0.55*2 | 0.55 | - | 5500*2100*2000 |
HLDAF-30 | 20~30 | 10 | 5.5 | 0.75*2 | 0.75 | 1.5 | 7000*2100*2000 |
HLDAF-40 | 35~40 | 15 | 7.5 | 0.75*2 | 0.75 | 2.2 | 8000*2150*2150 |
HLDAF-50 | 45~50 | 25 | 7.5 | 0.75*2 | 0.75 | 3 | 9000*2150*2150 |
HLDAF-60 | 55~60 | 25 | 7.5 | 0.75*2 | 1.1 | 4 | 9000*2500*2500 |
HLDAF-75 | 70~75 | 35 | 12.5 | 0.75*3 | 1.1 | 5.5 | 9000*3000*3000 |
HLDAF-100 | 95~100 | 50 | 15 | 0.75*3 | 1.1 | 3 | 10000*3000*3000 |