Cost comparison of dissolved oxygen enhancement systems at the El Vado dam

David E. Hibbs, John S Gulliver, Thomas L. Biggs

Research output: Contribution to journalArticlepeer-review

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 languageEnglish (US)
Pages (from-to)2000-2009
Number of pages10
JournalProceedings of the International Conference on Hydropower - Waterpower
Volume3
StatePublished - Jan 1 1997

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