Reaeration Experiments with Microorganisms

by Thomas Micka, Engr.; Engrg. Sci., Arcadia, CA,
Edward R. Holley, (M.ASCE), Prof.; Dept. of Civ. Engrg., Univ. of Illinois, Urbana, IL,
Frank W. Sollo, Principal Chemist; Illinois State Water Survey, Urbana, IL,

Serial Information: Journal of the Environmental Engineering Division, 1973, Vol. 99, Issue 6, Pg. 971-975

Document Type: Journal Paper


The presence of microorganisms and biological oxygen demand can change the reaeration rate coefficient from what it would be with the same mixing conditions in plain water. There are several different mechanisms which can act to effect this change. In this paper, a few experiments are described which were performed to gain some insight into the effects that both the biological and physical properties of microorganisms can have on the reaeration rate coefficient.

Subject Headings: Aeration | Microbes | Biological processes | Oxygen demand | Professional societies | Water demand | Physical properties

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