Dissolved Air Flotation

DAF water system

At bioprocessH2O, we offer advanced Dissolved Air Flotation (DAF) systems, designed to provide superior water clarification and treatment. Our DAF systems efficiently remove suspended solids, fats, oils, and greases (FOG), as well as biochemical oxygen demand (BOD) from a variety of wastewater streams, making them ideal for both industrial wastewater and municipal applications.

What is a Dissolved Air Flotation System?

A Dissolved Air Flotation (DAF) system is an advanced water treatment technology predominantly used for industrial and municipal wastewater treatment. The DAF wastewater treatment system is designed to remove suspended solids, oils, greases, and other contaminants from wastewater through a process of flotation rather than settling.

The process starts by adding water to a pressurization tank where air is dissolved under high pressure. The high-pressure environment allows more air to dissolve into the water than would be possible under normal atmospheric conditions. This air-saturated water is then released into the main flotation tank at atmospheric pressure. As the pressure is released, the dissolved air comes out of solution in the form of microscopic bubbles.

These tiny air bubbles attach themselves to the suspended particles in the wastewater, such as dirt, oil, and other contaminants. The air bubbles are buoyant, and as they rise to the surface, they lift the attached suspended particles with them. This creates a floating layer of material at the surface, known as the sludge blanket, which can be easily skimmed off and removed.

One of the key advantages of a DAF system is its ability to treat high-load wastewater streams efficiently and rapidly. It is especially effective for particles that are too small to settle by gravity alone and for substances that are not easily biodegradable, making it a preferred choice for a variety of industries including food and beverage production, petrochemicals, and paper manufacturing.

DAF systems can also be enhanced with the use of coagulants and flocculants. These chemicals are added to the wastewater before it enters the DAF system, helping to aggregate the suspended particles into larger clumps, which improves the efficiency of the air flotation process.

In summary, DAF systems provide an efficient, reliable, and cost-effective solution for removing a wide range of pollutants from wastewater. They are known for their versatility, high performance, and the ability to produce high-quality effluent suitable for discharge or further treatment.

Filtered water from DAF
Efficient Solid and Oil Removal: Exceptional at removing suspended solids, fats, oils, and greases from wastewater.
High Load Capacity: Capable of treating high volumes of wastewater efficiently, ideal for industrial applications.
Rapid Treatment Process: Designed for quick processing, ensuring faster water clarification.
Chemical Enhancement Compatibility: Works effectively with coagulants and flocculants for improved contaminant removal.
Adaptability to Various Wastewater Types: Suitable for a wide range of industrial and municipal wastewater streams.
Reduced Footprint: Compact DAF tank design allows for installation in space-constrained areas.
Automated Operation: Equipped with advanced control systems for consistent, hassle-free operation.
Energy Efficient: Designed to minimize energy consumption, reducing operational costs.
Low Maintenance Requirements: Requires minimal upkeep due to simple and robust design.
Customizable System Configurations: Tailored to meet specific client needs and treatment objectives.

Case Studies

How DAF Systems Work

Dissolved Air Flotation (DAF) is a water treatment process that clarifies wastewater by removing suspended matter. The key to DAF’s effectiveness is the introduction of fine air bubbles into the wastewater. These bubbles attach to suspended particles, causing them to float to the surface where they can be easily skimmed off. The process begins with the water being treated with a coagulant and/or flocculant to agglomerate and gather the fine suspended particles into larger clumps.

Air is then dissolved into the water under pressure and released at atmospheric pressure in a flotation tank, creating tiny air bubbles that adhere to the suspended matter, bringing them to the surface.

How DAF Systems Work

Why Choose bioprocessH2O for DAF Systems

Innovative Design: Our DAF systems combine efficiency with a compact design, reducing the footprint compared to traditional systems.

High Efficiency: Utilizing advanced air saturation technology, our systems ensure rapid separation and high treatment efficiency.

Customization: Tailored to meet specific client needs, our DAF systems can handle various flow rates and pollutant loads.

Ease of Operation: Designed for ease of use with minimal maintenance requirements, ensuring reliable performance.

Environmental Compatibility: Our systems are designed to minimize environmental impact, with low energy consumption and reduced chemical usage.

Durability: Built with high-quality, corrosion-resistant materials to ensure long-term reliability and performance.


Effective Solids Removal

Reduced Chemical Usage

Low Energy Consumption

Compact and Modular Design

Automated Control for Consistent Performance

Rapid Installation and Startup

Versatility in Applications

Effective Solids Removal

Environmental Compliance

Long System Lifespan

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Additional Benefits and Features

  • Increased Treatment Capacity: Our DAF systems can handle high volumes of wastewater efficiently.
  • Enhanced Clarification: Optimized for maximum removal of FOG, TSS, and BOD.
  • Flexible Configuration: Adaptable to various site requirements and operational conditions.
  • Automated Cleaning and Maintenance: Reduces labor and downtime.
  • Turnkey Solutions: Complete solutions from design to installation and operation.
  • Advanced Aeration Technology: Ensures optimal bubble size for effective flotation.
  • Sludge Concentration and Removal: Efficiently thickens and removes sludge from the system.Elevate Your Wastewater Treatment with bioprocessH2O's DAF Technology
  • Turnkey System Implementation: Full-service installation and setup of the entire system.

Elevate Your Wastewater Treatment with bioprocessH2O's DAF Technology

Additional Benefits and Features



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