Research Article
Jun 1975
Biomass Distribution and Kinetics of Baffled Lagoons
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VIEW THE REPLYPublication: Journal of the Environmental Engineering Division
Volume 101, Issue 6
Abstract
The quantity of attached biomass in a model anaerobic waste stabilization pond is affected by light penetration, hydraulic flow pattern, baffle configuration, and the submerged surface area. The Marias-Shaw model and the Monod model adequately describe the kinetics of soluble organic carbon removal in a model anaerobic waste stabilization pond. However, the plug-flow model does not adequately represent the kinetics of soluble organic carbon removal. Baffles significantly increase the amount of attached biomass, and at lower hydraulic residence times increase soluble organic carbon removal. With a l.5-day hydraulic residence time, a pond without bafles removes 53% of the soluble organic carbon, while ponds with end-around, over-and-under, and longitudinal baffles remove 60%, 62%, and 70% soluble organic carbon, respectively. Dense scum layers, which often form on baffle ponds, significantly reduces the biodegradation of soluble organic carbon.
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Published In
Journal of the Environmental Engineering Division
Volume 101 • Issue 6 • June 1975
Pages: 1005 - 1024
Copyright
© 1975 American Society of Civil Engineers.
History
Published in print: Jun 1975
Published online: Feb 11, 2021
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Authors
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James H. Reynolds
Asst. Prof., Utah State Univ., Logan, Utah
Stephen B. Nielson
Design Engr., Henningson, Durham & Richardson, Omaha, Neb.
E. Joe Middlebrooks, F.ASCE
Dean, Coll. of Engrg., Utah State Univ., Logan, Utah
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