Research Article
Oct 1982
Considerations in Modeling Activated Sludge Process
Publication: Journal of the Environmental Engineering Division
Volume 108, Issue 5
Abstract
Mathematical modeling of the activated sludge process is examined both from a unit process viewpoint and as an integral component of plant-wide mass balance models. Two modeling approaches are reviewed. The first is a standard approach now commonly used in practice. The second is an alternative approach which represents a modification of the first to directly account for influent suspended solids to the activated sludge process. Considerations are presented as to the proper application of both models in the prediction of waste sludge production and mixed liquor concentration. The two approaches also are compared for utility in wastewater treatment plant design. The alternative approach may be more flexible in accounting for sludge handling recycle loads. In many instances it also provides a more conservative estimate of waste sludge production.
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Information
Published In
Journal of the Environmental Engineering Division
Volume 108 • Issue 5 • October 1982
Pages: 990 - 1002
Copyright
© 1982 American Society of Civil Engineers.
History
Published in print: Oct 1982
Published online: Feb 11, 2021
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Authors
Affiliations
Gerald E. Speitel Jr., AM.ASCE
Grad. Student, Dept. of Environmental Sci. and Engrg., Univ. of North Carolina, Chapel Hill, N.C. 27514; Formerly, Engr., Malcolm Pirnie, Inc., 2 Corporate Park Drive, White Plains, N.Y. 10602
Michael M. Hughes, AM.ASCE
Project Engr., Malcolrn Pirnie, Inc., 2 Corporate Park Drive, White Plains, N. Y. 10602
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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.