Research Article
Mar 1975
Stochastic Analysis of Trickling Filter
Publication: Journal of the Environmental Engineering Division
Volume 101, Issue 3
Abstract
In most conventional methods of analysis and design for wastewater processes the stochastic nature of the process inputs and parameters is ignored. Stochastic treatment of a process is more difficult than a deterministic treatment but can provide more significant information concerning the design parameters. A stochastic approach to trickling filter design is described based on a two-phase two-component model of the filter. Random variables were introduced to represent random BOD inputs and flow rates as well as uncertainty in the model coefficients. This study indicates under what circumstances the sample estimate of the expected value of the output of a stochastic model of the trickling filter differs from the output of the related deterministic model based on replacing the random variables by their expected values. It also shows how to use the measurements of sample dispersion of the output BOD to compute safety factors for design.
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Information
Published In
Journal of the Environmental Engineering Division
Volume 101 • Issue 3 • March 1975
Pages: 333 - 350
Copyright
© 1975 American Society of Civil Engineers.
History
Published in print: Mar 1975
Published online: Feb 11, 2021
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Authors
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Khurshed J. Mistry
Research Asst., Dept. of Chemical Engrg., Univ. of Texas, Austin, Tex.
David M. Himmelblau, M.ASCE
Prof., Dept. of Chemical Engrg., Univ. of Texas, Austin, 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.
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.