Skip to main content

Effects of Turbulence on Fine-Bubble Diffuser Performance in Wastewater Aeration Systems

Buy Article:

$17.50 plus tax (Refund Policy)

Or sign up for a free trial


Aeration is an essential and energy intensive process for most wastewater treatment plants, accounting for 45 to 75% of plant energy costs (Reardon, 1995). Higher oxygen transfer efficiency can be achieved by increasing liquid velocity in oxidation ditches using mixers for liquid displacement (Da Silva-Deronzier et al., 1994; Déronzier et al., 1998). Based on mass transfer theory, turbulence at gas-liquid interfaces can promote oxygen transfer and affect aeration efficiency. In this research, the effects of liquid-side turbulence on oxygen transfer were studied in a controlled environment within the range of gas and liquid velocities correspondent to the field. This presentation will include the methodology and results of our experiments as well as a visual investigation of the bubble-liquid interactions.

Document Type: Research Article


Publication date: January 1, 2011

More about this publication?
  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

    WEF Members: Sign in (right panel) with your IngentaConnect user name and password to receive complimentary access.
  • Subscribe to this Title
  • Membership Information
  • About WEF Proceedings
  • WEFTEC Conference Information
  • ingentaconnect is not responsible for the content or availability of external websites

Access Key

Free Content
Free content
New Content
New content
Open Access Content
Open access content
Subscribed Content
Subscribed content
Free Trial Content
Free trial content
Cookie Policy
Cookie Policy
ingentaconnect website makes use of cookies so as to keep track of data that you have filled in. I am Happy with this Find out more