Mechanism of Biological Treatment in Plug‐Flow or Batch Systems
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Volume 118, Issue 4
Abstract
An algebraic expression in diraensionless form, relating effluent substrate concentration to retention time for plug‐flow reactors is developed. Monod kinetics is used, and longitudinal concentration gradients are considered. An expression for mean cell residence time is also derived. The model is illustrated by an example using the data of a field study. Results of the developed model are compared with those of constant biomass assumption and differences in biomass and effluent substrate concentrations found more meaningful for values of A graphical procedure enabling a simplified methodology for process design is presented. The method can be used in the design of batch or plug‐flow reactors.
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Published In
Journal of Environmental Engineering
Volume 118 • Issue 4 • July 1992
Pages: 614 - 628
Copyright
Copyright © 1992 ASCE.
History
Published online: Jul 1, 1992
Published in print: Jul 1992
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