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Related Experiment Videos

An integrated approach to dissolved air flotation.

T Amato1, J K Edzwald, J E Tobiason

  • 1Purac Ltd, Kidderminster, UK.

Water Science and Technology : a Journal of the International Association on Water Pollution Research
|June 8, 2001
PubMed
Summary

DAFRapide techniques significantly reduce flocculation times to 5 minutes and increase flotation rates to 40 m/h. This allows for high-quality water treatment with product turbidity below 1 NTU after flotation and 0.1 NTU after filtration.

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Area of Science:

  • Water treatment technologies
  • Environmental engineering

Background:

  • Conventional water treatment involves flocculation and filtration.
  • Optimizing these processes is crucial for efficient water purification.

Purpose of the Study:

  • To evaluate the effectiveness of DAFRapide techniques in water treatment.
  • To assess the integration of DAFRapide with conventional filtration systems.

Main Methods:

  • Utilizing DAFRapide techniques with reduced flocculation times (approx. 5 minutes).
  • Operating flotation at high loading rates (up to 40 m/h).
  • Integrating with conventional filtration systems (up to 20 m/h).

Main Results:

  • Achieved high flotation loading rates of up to 40 m/h.

Related Experiment Videos

  • Product quality consistently below 1 NTU after flotation.
  • Product quality below 0.1 NTU after subsequent filtration.

    • Conclusions:

    • DAFRapide techniques offer a significant advancement in water treatment efficiency.
    • The integration of DAFRapide with conventional filtration is feasible and effective.
    • High-quality water purification standards can be met with reduced process times.