The Oxygen Transfer Model Applied to Steady-State Respiring Systems
Publication: Journal of Environmental Engineering
Volume 150, Issue 10
Abstract
Up to now, only limited data are available on the influence of process-related variables [influent characteristics, solids retention time (SRT), hydraulic retention time (HRT), biomass recirculation rates, process configuration, biochemical reaction rates, etc.] on oxygen transfer, as stated in the aeration manuals. Recently, standards have been updated in regard to oxygen transfer testing in clean water as well as in in-process wastewater. Unfortunately, the situation has not improved since the publication of these documents. In particular, little information exists on alpha () and oxygen transfer efficiency in biological nutrient removal (BNR) processes to study the impact of biochemical reactions on oxygen transfer under controlled process conditions. A new model is herewith proposed that would deal with the effect of oxygen consumption rate due to these substrate materials.
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Data Availability Statement
All data, models, and code generated or used during the study appear in the published article.
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Information & Authors
Information
Published In
Journal of Environmental Engineering
Volume 150 • Issue 10 • October 2024
Copyright
© 2024 American Society of Civil Engineers.
History
Received: Feb 26, 2024
Accepted: May 15, 2024
Published online: Aug 9, 2024
Published in print: Oct 1, 2024
Discussion open until: Jan 9, 2025
ASCE Technical Topics:
- Biological processes
- Chemical processes
- Chemistry
- Continuum mechanics
- Dynamics (solid mechanics)
- Engineering fundamentals
- Engineering mechanics
- Environmental engineering
- Geotechnical engineering
- Hydraulic models
- Hydrologic data
- Hydrologic engineering
- Hydrology
- Material mechanics
- Material properties
- Materials engineering
- Mechanical properties
- Models (by type)
- Oxygen transfer
- Retaining structures
- Solid mechanics
- Steady states
- Structural dynamics
- Structural engineering
- Tension
- Waste management
- Water and water resources
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