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Dissolved Air Flotation (DAF)

Dissolved Air Flotation (DAF)

Dissolved Air Flotation (DAF)

Ultra DAF made simple

Dissolved Air Flotation (DAF) systems are designed to remove suspended solids (TSS), biochemical oxygen demand (BOD5), and oils and greases (O&G) from a wastewater stream. Contaminants are removed through the use of a dissolved air-in-water solution produced by injecting air under pressure into a recycle stream of clarified DAF effluent. This recycle stream is then combined and mixed with incoming wastewater in an internal contact chamber where the dissolved air comes out of solution in the form of micron-sized bubbles that attach to the contaminants. The bubbles and contaminants rise to the surface and form a floating bed of material that is removed by a surface skimmer into an internal hopper for further handling.

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TF60T installed at a poultry processing plant (Uzbekistan).
Floating-sludge-being-scrapped

Floating sludge being scrapped.
DAF-subnatant

DAF subnatant.

KEY FEATURES

  • Available in 304 or 316 stainless steel construction
  • Complete, skid-mounted design for ease of installation (no field assembly required)
  • Rectangular profile for maximum space utilization
  • Rugged tank design that will not flex
  • Superior performance without the use of plate-pack that can foul or collapse

EACH DAF SYSTEM COMES WITH

  • All stainless steel tank construction
  • Quality drive and pump components for long-term reliability
  • Full construction and component warranties
  • Complete start-up and training services
  • Process design assistance
  • Expert technical support before and after installation

BIOLOGICAL DAF

Dissolved air flotation (DAF) has proven to be very effective for the removal of biological solids from wastewater streams.

Some of the advantages over traditional, gravity clarification include:

  • Smaller footprint and more rapid implementation
  • Higher sludge solids content (4%TS vs. 1%TS) resulting in a much lower sludge volume
  • Ability to handle bulking solids that tend to float
  • More reliable effluent quality 

Some of the more common biological applications include:

  • Clarification of aerobic biomass in an activated sludge process
  • Polishing effluent from aerobic ponds
  • Clarification of anaerobic solids in an anaerobic contact process
  • Polishing effluent from anaerobic lagoons
  • Removal of algae from ponds
  • Polishing effluent from high-rate anaerobic processes

About Ultra Span

Ultra Span is established by a group of experience of individuals with years of proven practical experience, know how and successful track record of designing, manufacturing, installing, commissioning & servicing several hundred water and wastewater equipment.

Our Products

  • Dissolved Air Flotation (DAF)
  • Static Screen (SS)
  • Inclined Plate Clarifier (IPC)
  • X30 Technology for MBBR
  • Surface Aerator
  • Biological Circular Clarifiers

Working Hours

We work 5 days a week, excluding Saturday, Sunday & major holidays. Contact us for any information.

Mon - Fri:
8:30 am – 6:00pm
Sat, Sun & Holidays:
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Contact Us

Address: No.5, Jalan Tambur 33/19, Seksyen 33, 40400 Shah Alam, Selangor, Malaysia.

Phone: (603) 5131 0419

Fax: (603) 5525 8036

Mobile: (012)

Email: sales@ultraspan.com.my

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