Water Treatment

Dissolved Air Flotation Unit

DAF pretreatment equipment for oil, suspended solids, color and chemical wastewater pretreatment.

Dissolved Air Flotation Unit

Best For

Typical wastewater or exhaust applications

  • Oily wastewater
  • Textile wastewater
  • Food wastewater
  • Chemical wastewater

Overview

Equipment overview

DAF pretreatment equipment for oil, suspended solids, color and chemical wastewater pretreatment.

Yutai supports equipment manufacturing, process selection, technical communication, export packaging and remote guidance for overseas buyers.

Applications

Typical applications

  • Metal processing wastewater
  • Textile washing and dyeing wastewater
  • Restaurant and oily wastewater
  • Chemical, coating and ink wastewater
  • Paper, leather and leachate pretreatment

Advantages

Why this equipment

  • Integrated frame structure
  • Suitable for pretreatment before biochemical systems
  • Can be matched with dosing system
  • Factory tested before delivery

Working Principle

How it works

Dissolved air releases fine bubbles that attach to suspended solids and oil, lifting pollutants to the surface for scraping.

Typical Process

Process route

Equalization -> coagulation/flocculation -> DAF -> sludge collection -> downstream treatment

Technical Parameters

Selection parameters

CapacityCustomized by actual flow
MaterialCustomized by wastewater and corrosion condition
Main componentsDAF tank, dissolved air tank, scraper, instruments, PLC panel
ApplicationsOil, SS, color and pretreatment
Lead time20-45 days depending on configuration
MOQ1 set

Project Photos

Related references

Guobo Electronics Wastewater Lifting Station Project
Electronics

Guobo Electronics Wastewater Lifting Station Project

Country
China
Industry
Electronics
Capacity
Project data available on request
Influent
Industrial wastewater
Treatment Process
Source separation -> electrochemical oxidation -> UASB -> MBR -> UF -> RO reuse
Equipment
Source separation, electrochemical oxidation, UASB, MBR, UF, RO
Project Result
Reuse route established; brochure record indicates reuse rate reached 65%
Laike Chemical 120 T/D Wastewater Station Upgrade
Chemical

Laike Chemical 120 T/D Wastewater Station Upgrade

Country
China
Industry
Chemical
Capacity
120 T/day
Influent
Chemical wastewater
Treatment Process
Pretreatment -> Fenton advanced oxidation -> biochemical enhancement -> polishing
Equipment
Pretreatment, Fenton advanced oxidation, biochemical enhancement
Project Result
Brochure record indicates COD removal rate above 99%
CEIEC South Wastewater Station Renovation
Industrial park / electronics

CEIEC South Wastewater Station Renovation

Country
China
Industry
Industrial park / electronics
Capacity
Project data available on request
Influent
Industrial wastewater
Treatment Process
Station renovation with pump, process piping and valve modification
Equipment
Pumps, piping, valves and station modification
Project Result
Renovation data available during technical communication

FAQ

Common buyer questions

Is chemical dosing required?

Most DAF applications require coagulation and flocculation dosing for better removal.

Can the unit be shipped assembled?

Yes, small and medium units can be skid-mounted and shipped as assembled equipment.

Downloads

Files for procurement

Inquiry

Send working conditions for Dissolved Air Flotation Unit

Country, daily flow, water type, current COD and target standard help us recommend a suitable configuration faster.

Preferred Contact Method
Expected Purchase Time

The form records inquiry details. If the water report file is large, send it by email or WhatsApp after submitting.

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