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Parameters influencing oxygen uptake at clarifier weirs
Oxygen uptake at clarifier weirs was investigated for both clean water and primary wastewater. A pilot‐scale model with cross‐sectional geometry similar to clarifier weirs was constructed to carry out the study. The drop height, type of flow regime over the weir, hydraulic loading, and weir shape were identified as important parameters influencing mass transfer. Empirical correlations predicting oxygen uptake were developed for different weir configurations. A correlation using the α‐factor was developed to predict the oxygen transfer in primary wastewater using clean water. These correlations are a first step in estimating volatile organic compound emissions for wastewater flows over clarifiers at wastewater treatment plants.
Parameters influencing oxygen uptake at clarifier weirs
Oxygen uptake at clarifier weirs was investigated for both clean water and primary wastewater. A pilot‐scale model with cross‐sectional geometry similar to clarifier weirs was constructed to carry out the study. The drop height, type of flow regime over the weir, hydraulic loading, and weir shape were identified as important parameters influencing mass transfer. Empirical correlations predicting oxygen uptake were developed for different weir configurations. A correlation using the α‐factor was developed to predict the oxygen transfer in primary wastewater using clean water. These correlations are a first step in estimating volatile organic compound emissions for wastewater flows over clarifiers at wastewater treatment plants.
Parameters influencing oxygen uptake at clarifier weirs
Labocha, Michal (author) / Corsi, Richard L. (author) / Zytner, Richard G. (author)
Water Environment Research ; 68 ; 988-994
1996-09-01
7 pages
Article (Journal)
Electronic Resource
English
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