Record Display for the EPA National Library Catalog

RECORD NUMBER: 26 OF 67

OLS Field Name OLS Field Data
Main Title Mass Transfer in Heterogeneous Systems and Velocity and Gas Absorption Studies for Single Bubbles.
Author Mukerje, Amitava ;
CORP Author Iowa State Univ., Ames. Dept. of Chemical Engineering.
Year Published 1973
Report Number OWRR-B-030-IA; 05413,; B-030-IA(1)
Stock Number PB-229 560
Additional Subjects Bubbles ; Absorption ; Surfactants ; Dissolving ; Mass transfer ; Bacteria ; Oxygen ; Aeration ; Dissolved gases ; Theses ; Surface properties ; Lakes ; Computer programs ; FORTRAN ;
Holdings
Library Call Number Additional Info Location Last
Modified
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Status
NTIS  PB-229 560 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 06/23/1988
Collation 289p
Abstract
The effects of surface active materials on gas absorption were studied in reactive and nonreactive systems. Bacterial cell particles increase the mass transfer rate of oxygen in the oxidation of glucose. Direct uptake of oxygen by the cells, decrease in the film thickness, and local surface turbulence were demonstrated. The presence of surfactants retards the rise velocity for bubbles. Rise velocity of soluble bubbles in general is retarded by the simultaneous mass transfer process. A differential equation was derived to describe the phenomenon of a dissolving oxygen bubbles rising in a frozen lake. Parameters such as lake depth, temperature profile, BOD, and pollutant concentration are considered in dimensionless form.