Dissolved Air Flotation Systems (DAF)

Dissolved Air Flotation Systems (DAF)

Dissolved Air Flotation Systems (DAF) are indeed used in water treatment processes to remove suspended solids, oil, grease, and other contaminants from industrial wastewater.

Key Features
  • High efficiency solid-liquid separation
  • Compact design, easy installation
  • Low operation and maintenance cost

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Dissolved Air Flotation Daf Wastewater Treatment System

Jorsun’s Dissolved Air Flotation (DAF) system is an advanced solid-liquid separation technology designed to effectively remove suspended solids (SS), fats, oils, grease (FOG), and phosphorus (P) from various types of industrial wastewater. With years of engineering expertise, we deliver high-efficiency DAF systems tailored for modern industrial needs.

🔹 What is a Dissolved Air Flotation System?

A Dissolved Air Flotation system is a proven wastewater treatment method that uses microbubbles to separate fine solids, oils, and impurities. Commonly used in:

  • 1. Food and Beverage Processing
  • 2. Petrochemical and Refinery Wastewater
  • 3. Pulp and Paper Industry
  • 4. Textile and Dyeing Plants
  • 5. Slaughterhouses and Rendering Plants
  • 6. Municipal Wastewater Pretreatment

The DAF system offers high removal efficiency, low operating cost, and a compact design—making it essential in industrial water treatment processes.

🔹 How Does the DAF System Work?

  1. Chemical Pretreatment: Coagulants and flocculants form larger flocs for separation.
  2. Micro Bubble Generation: Air-saturated water releases microbubbles (20–50μm) into the tank.
  3. Flotation and Separation: Bubbles attach to flocs, floating them to the surface for removal.
  4. Effluent Discharge and Recycling: Clean water is collected and partially recycled for continuous microbubble production.

🔹 Key Benefits of Jorsun DAF Systems

  • High Removal Efficiency: Up to 95% SS and >90% FOG removal
  • Compact Design: Space-saving, modular footprint
  • Low Chemical Use: Optimized dosing reduces cost
  • Reliable Operation: Automated PLC control
  • Energy Efficient: Low-pressure air dissolving system
  • Customizable: Materials like SS304, SS316L, FRP-lined optional

🔹 Innovative DAF Technology Developed by Jorsun

Jorsun integrates traditional DAF principles with advanced innovations. Our systems include:

  • CPrecision-designed air saturation tanks
  • Optional high-efficiency lamella plate modules
  • Smart chemical dosing systems

Each DAF system is designed for long-term durability and adaptability in harsh industrial environments.

🔹 Applications of DAF Systems

  • 1. Pretreatment before MBR, SBR, or biological systems
  • 2. COD and TSS reduction prior to discharge
  • 3. Sludge thickening before dewatering
  • 4. Phosphorus removal for nutrient control
  • 5. Oil and grease recovery in food/oil industries

🔹 Why Choose Jorsun?

  • 🌍 Projects in 40+ countries including Europe, Asia, and the Middle East
  • 🧰 Complete system integration: dosing, sludge, automation
  • 📦 Fast delivery and modular system design

📩 Request a Quote or Technical Consultation

Looking for a reliable, cost-effective Dissolved Air Flotation system? Contact our engineers for a free consultation or custom proposal:

Frequently Asked Questions (FAQ)

Q1: What industries use DAF systems?

A1: Food processing, petrochemical, textile, slaughterhouse, and municipal sectors.

Q2: How efficient is the DAF system in removing FOG and SS?

A2: Over 90–95% efficiency depending on influent conditions and design.

Q3: What size DAF system do I need?

A3: It depends on flow rate, SS/FOG levels, and discharge targets. Contact us for guidance.

Q4: Can DAF be used alone?

A4: DAF works standalone or as a pretreatment for biological or membrane systems.

Specification

 

Model

Capacity

Power(kw)

Dimension(m)

Pipe connention(DN)

(m3/h)

Recycle
pump

Air
compressor

Skimming
system

L/L1

W/W1

H/H1

(a)
water
inlet

(b)
water
outlet

(c)
sludge
outlet

DAF-002

~2

0.75

0.55

0.2

3.3/2.5

2.4/1.16

2.1/1.7

50

50

80

DAF-003

~3

0.75

0.55

0.2

3.6/2.8

2.4/1.16

2.1/1.7

50

50

100

DAF-005

~5

1.1

0.55

0.2

3.9/3.0

2.4/1.16

2.1/1.7

80

50

100

DAF-010

~10

1.1

0.55

0.2

4.3/3.2

2.9/1.66

2.3/1.9

100

100

100

DAF-015

~15

2.2

0.75

0.2

5.4/4.3

2.9/1.66

2.3/1.9

100

100

100

DAF-020

~20

3.0/5.5

0.75

0.2

5.4/4.3

3.1/2.16

2.3/1.9

150

100

100

DAF-030

~30

3.0/5.5

0.75

0.2

6.5/5.4

3.1/2.16

2.3/1.9

150

150

150

DAF-040

~40

3.0/5.5

0.75

0.2

6.7/5.5

3.6/2.7

2.7/2.3

200

150

150

DAF-050

~50

7.5

1.5

0.2

7.6/6.3

3.6/2.6

2.7/2.3

200

150

150

DAF-060

~60

7.5

1.5

0.2

7.9/6.6

4.0/3.0

2.7/2.3

250

200

150

DAF-070

~70

11

1.5

0.2

9.2/7.9

4.0/3.0

2.7/2.3

250

200

150

DAF-080

~80

11

1.5

0.2

9.6/8.4

4.0/3.0

2.7/2.3

250

200

150

DAF-100

~100

15

2.2

0.2

10.7/9.4

4.4/3.4

2.7/2.3

300

250

150

DAF-120

~120

15

2.2

0.2

11.7/10.4

4.4/3.4

2.7/2.3

300

250

150

DAF-150

~150

18.5

2.2

0.2

12.5/11.4

4.4/3.8

2.7/2.3

300

300

150

Remark: To make the most suitable proposal, we will need know flowrate, wastewater source,wastewater quality (SS,BOD,COD,FOG etc ).
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