Hydrodynamic Cavitation Pilot Study for Controlling Cooling Water Quality
Authors: Gaines, W. A.; Kim, B. R.; Drews, A. R.; Bailey, C.; Loch, T.; Frenette, S.
Source: Proceedings of the Water Environment Federation, WEFTEC 2006: Session 1 through Session 10 , pp. 154-161(8)
Publisher: Water Environment Federation
Abstract:A field study was conducted on a cooling-tower system at an automotive manufacturing facility to evaluate the performance of a VRTX hydrodynamic cavitation device for disinfection, scaling, corrosion, and heat-transfer efficiency.
Primary findings are: The VRTX unit performed as well as the chemical program that it replaced in terms of bacterial control without adding any chemicals (including disinfectants). The bacterial count was maintained at ∼104 cfu/mL over 2 months of the study.
The VRTX unit enabled the cooling system to be operated at a higher cycle of concentration (CoC) than that used during the chemical program, without adversely affecting pH, scaling, and corrosion. This increase in CoC is expected to lead to a decreased water usage.
The observed corrosion rates of copper and mild steel were either equivalent or better than those obtained during the chemical program, though corrosion of galvanized steel was appreciable.
The use of the VRTX unit did not appear to adversely affect heat-transfer efficiency.
Document Type: Research Article
Publication date: January 1, 2006
- 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 These proceedings are not peer reviewed.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