Research Article
Dec 1977
New Approach to Bacterial Kinetics in Wastewater
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VIEW THE REPLYAuthors: Graham F. Andrews and Chi TienAuthor Affiliations
Publication: Journal of the Environmental Engineering Division
Volume 103, Issue 6
Abstract
A mathematical model for bacterial growth is developed by consideration of the analogy between bacterial growth and a nonelementary chemical reaction. The resulting model is very general, including both substrate storage and basal metabolism. Under certain defined conditions it reduces to the known Monod-type and two-phase growth models. It predicts quantitatively the large substrate uptake rates seen in the contact stabilization process. In this model the concentrations of substrate and biomass are defined in terms of their carbon content as this approach gives greater conceptual and practical simplicity than conventional approaches based on BOD, COD, VSS, etc. Predictions of the model are found to agree with experimental data from a system of mixed denitrifying bacteria metabolizing a dilute dextrose substrate.
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Published In
Journal of the Environmental Engineering Division
Volume 103 • Issue 6 • December 1977
Pages: 1057 - 1074
Copyright
© 1977 American Society of Civil Engineers.
History
Published in print: Dec 1977
Published online: Feb 11, 2021
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Graham F. Andrews
Grad. Student; Dept. of Chemical Engrg. and Materials Sci., Syracuse, Univ., Syracuse, N.Y.
Chi Tien
Prof. and Chmn.; Dept. of Chemical Engrg. and Materials Sci., Syracuse Univ., Syracuse, N.Y.
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