Research Article
Jun 1973
Gas Transfer Kinetics of Pure Oxygen System
Authors: James A. Mueller, AM.ASCE, Thomas J. Mulligan, AM.ASCE, and Dominic M. Di Toro, AM.ASCEAuthor Affiliations
Publication: Journal of the Environmental Engineering Division
Volume 99, Issue 3
Abstract
A mathematical model is described which determines the gas and liquid phase of oxygen, nitrogen, and carbon dioxide concentrations along with the variation in gas flow and pH in a completely mixed, staged, pure oxygen system. Model verification was accomplished using existing field data. The model was then utilized to determine the effects of varying BOD loads and alkalinities on a previously designed system. Lower waste-water alkalinities and pHs not only resulted in lower mixed liquor pH values, but also lower dissolved oxygen concentrations. The respiratory quotient was seen to have a significant effect on the system. To obtain a desired DO level, the trade-off between increasing gas flow and aerator horsepower is presented.
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Published In
Journal of the Environmental Engineering Division
Volume 99 • Issue 3 • June 1973
Pages: 269 - 282
Copyright
© 1973 American Society of Civil Engineers.
History
Published in print: Jun 1973
Published online: Feb 11, 2021
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James A. Mueller, AM.ASCE
Res. Engr., Hydroscience, Inc., Westwood, N.J., USA
Thomas J. Mulligan, AM.ASCE
Principal, Hydroscience, Inc., Westwood, N.J., USA
Dominic M. Di Toro, AM.ASCE
Sr. Res. Engr., Hydroscience, Inc., Westwood, N.J., USA
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.