Aerating Infuser for Increasing Dissolved Oxygen Concentrations

摘要

Two of the most significant environmental impacts of hydropower dams on downstream aquatic resources in the Tennessee River Valley are low dissolved oxygen (DO) concentrations during hydroelectric generation; and lack of suitable minimum flow between generating periods. High performance weirs are one of several technologies now considered at hydropower dams as part of TVA's Lake Improvement Plan, which is implementing various DO and minimum flow technologies at 16 hydropower dams by 1996. TVA has been developing, testing, designing, and constructing innovative aerating weirs since 1990 as one technology for meeting oxygen and minimum flow objectives.