Research Article
Dec 1968
Iron-59 as Solids Tracer Aqueous Suspensions
Publication: Journal of the Sanitary Engineering Division
Volume 94, Issue 6
Abstract
A radioactive tracer is introduced for following the movement of particulate matter in sewage treatment processes. By combining this radio-tracer with dye tracers, the hydraulic characteristics of several aeration tanks and final clarifiers were investigated. Particulate matter was found to travel through a sewage suspension faster than the liquid portion. Some center-feed radial flow type final clarifiers indicate appreciable short circuiting of mixed liquor to the return sludge outlet. Investigations of some aeration tanks designed for plug flow indicated that hydraulic conditions ranged from near plug flow to those approaching complete mixing.
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Published In
Journal of the Sanitary Engineering Division
Volume 94 • Issue 6 • December 1968
Pages: 1195 - 1211
Copyright
© 1968 American Society of Civil Engineers.
History
Published in print: Dec 1968
Published online: Feb 12, 2021
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Authors
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M. R. Scalf
Research Sanitary Engr., Robert S. Kerr Water Research Center, FWPCA, U.S. Dept. of the Int., Ada, Okla.
J. L. Witherow, M.ASCE
Research Sanitary Engr., Robert s. Kerr Water Research Center, FWPCA, U.S. Dept. of the Int., Ada, Okla.
Charles P. Priesing
Acting Chief, Treatment and Control Research Program, RobertS. Kerr Water Research Center, FWPCA, U.S. Dept. of the lnt., Ada, Okla.
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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.