TECHNICAL PAPERS
Nov 1, 1993

Estimating Emissions of 20 VOCs. II: Diffused Aeration

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Publication: Journal of Environmental Engineering
Volume 119, Issue 6

Abstract

A relationship developed in a companion paper to estimate emissions from surface‐aerated reactors that accounts for both gas‐ and liquid‐phase mass‐transfer resistances is extended to reactors with diffused‐aeration systems. The method accurately predicts the observed stripping rate of 20 volatile organic compounds (VOCs) with a wide range of Henry's coefficients over a wide range of hydrodynamic conditions. The degree of gas saturation and the liquid‐ and gas‐phase mass‐transfer coefficients are estimated.

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References

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ASCE Oxygen Transfer Standards Committee. (1984). A standard for the measurement of oxygen transfer in clean water. ASCE, New York, N.Y.
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Hsieh, C.‐C., Ro, K. S., and Stenstrom, M. K. (1993). “Estimating emission of 20 VOCs. I: Surface Aeration.” J. Envir. Engrg., ASCE, 119(6), 1077–1098.
3.
Mackay, D., Shiu, W. Y., and Sutherland, R. P. (1979). “Determination of air‐water Henry's law coefficients for hydrophobic pollutants.” Envir. Sci. Technol., 13(3), 333–337.
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Matter‐Mueller, C., Gujer, W., and Giger, W. (1981). “Transfer of volatile substances from water to the atmosphere.” Water Res., 15(11), 1271–1279.
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Munz, C., and Roberts, P. V. (1984). “The ratio of gas phase to liquid phase mass transfer coefficients in gas‐liquid contacting processes.” Gas transfer at water surfaces, W. Brutsaert and G. H. Jirka, eds., D. Reidel Publishing Co., Hingham, Mass., 35–45.
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Munz, C., and Roberts, P. V. (1987). “Air‐water phase equilibria of volatile organic solutes.” J. AWWA, 79(1), 62–69.
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Roberts, P. V., Munz, C., Dandliker, P., and Matter‐Mueller, C. (1982). “Volatilization of organic pollutants in wastewater treatment‐model studies.” EPA‐600/S2‐84‐047, U.S. EPA, Cincinnati, Ohio.
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Roberts, P. V., Munz, C., and Dandilker, P. (1984). “Modeling volatile organic solute removal by surface and bubble aeration.” J. WPCF, 56(2), 157–163.
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Information & Authors

Information

Published In

Go to Journal of Environmental Engineering
Journal of Environmental Engineering
Volume 119Issue 6November 1993
Pages: 1099 - 1118

History

Received: May 15, 1992
Published online: Nov 1, 1993
Published in print: Nov 1993

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Authors

Affiliations

Chu‐Chin Hsieh
Sr. Engr., Montgomery Watson, Inc., P.O. Box 7009, Pasadena, CA 91109‐7009
Roger W. Babcock, Jr., Student Member, ASCE
Sr. Engr., John Carollo Engrs., 450 N. Widget Ln., Walnut Creek, CA 94598
Michael K. Stenstrom, Member, ASCE
Prof., Civ. Engrg. Dept., Univ. of California, Los Angeles, CA 90024

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