Abstract
A series of dissolved oxygen enhancement systems were analyzed for their ability to economically maintain a minimum dissolved oxygen concentration of 6 mg/l below the El Vado hydroelectric facility. Systems considered included surface axial flow pumps, a selective withdrawal tower, aerating weirs, and forebay/tailrace bubble diffusers as well as various combinations of these systems. The most cost-effective design was found to be an air injection system consisting of a high volume-low pressure blower connected to an existing draft tube venting line, supplemented with the addition pure oxygen as needed.
Original language | English (US) |
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Pages (from-to) | 2000-2009 |
Number of pages | 10 |
Journal | Proceedings of the International Conference on Hydropower - Waterpower |
Volume | 3 |
State | Published - Jan 1 1997 |