Research Article
Feb 1968
What Do We Know About Natural Purification?
Publication: Journal of the Sanitary Engineering Division
Volume 94, Issue 1
Abstract
It is possible to predict the effect of stabilization of oxidizable substances on the DO content of a stream. Time of flow can be calculated on the basis of displacement of occupied channel volume but calculations should be checked by observing time of passage with a fluorescent dye. The effect of sludge deposits, biological extraction and accumulation, and oxidation of nitrogenous substances on the DO balance in a stream can be evaluated and examples of such evaluations are presented.
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Published In
Journal of the Sanitary Engineering Division
Volume 94 • Issue 1 • February 1968
Pages: 1 - 11
Copyright
© 1968 American Society of Civil Engineers.
History
Published in print: Feb 1968
Published online: Feb 12, 2021
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Authors
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Ralph W. Purdy
Chf. Engr., Michigan Water Resources Comm., Dept. of. conservation, Lansing, Mich.
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