Research Article
Jun 1971
Characterization of Time-Varying Organic Loads
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VIEW THE REPLYPublication: Journal of the Sanitary Engineering Division
Volume 97, Issue 3
Abstract
Short-term loading fluctuations in waste treatment system are ignored in design because of the difficulty in obtaining meaningful data. Statistical analyses of hourly COD values from a combined sewer system within the Minneapolis–St. Paul Sanitary District were performed to characterize the data. Once the periodic components were removed, the data were found to be random, stationary, ergodic and normally distributed. The minimum sampling frequency necessary to properly characterize the data was found to be from 1–1/2 hr to 2 hr.
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Published In
Journal of the Sanitary Engineering Division
Volume 97 • Issue 3 • June 1971
Pages: 257 - 268
Copyright
© 1971 American Society of Civil Engineers.
History
Published in print: Jun 1971
Published online: Feb 12, 2021
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Authors
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Alfred T. Wallace, AM.ASCE
Assoc. Prof. of Civ. Engrg., Univ. of Idaho, Moscow, Idaho.
Donald M. Zollman
Public Health Engr., Montana Health Dept., Helena, Mont.
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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.