Research Article
Jun 1982
Nitrification Kinetics and Its RBC Application
Publication: Journal of the Environmental Engineering Division
Volume 108, Issue 3
Abstract
The surface reaction model for the mechanism of mass transfer-metabolism in the fixed-film nitrification process is investigated and discussed for the design of trickling filter systems and rotating biological contactor (RBC) systems. Two experimental studies are performed. The first study, using a stationary fixed-film reactor to simulate the trickling filter process, reveals that the surface reaction kinetics follow a pseudo-homogeneous model. The second study, using a bench-scale RBC unit, indicates that the pseudo-homogeneous model is also applicable to the rotating fixed-film process. The effective slime thickness of an RBC system can be estimated from this model by locating the optimum NH3-N removal rotating speed and finding the corresponding liquid film thickness at that rotating speed.
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Published In
Journal of the Environmental Engineering Division
Volume 108 • Issue 3 • June 1982
Pages: 473 - 487
Copyright
© 1982 American Society of Civil Engineers.
History
Published in print: Jun 1982
Published online: Feb 11, 2021
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Ching-San Huang
Environmental Engr., Air Force Regional Civ. Engr.—M-X, Norton Air Force Base, Calif. Formerly, Consultant, United States Air Force Occupational and Environmental Health Lab., Brooks Air Force Base, Tex.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
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