A Method for Calculating Bacterial Deposition Coefficients Using the Fraction of Bacteria Recovered from Laboratory Columns

To determine if a practical relationship exists between the easily determined fractional recovery of bacteria and the deposition coefficient, useful for predictive modeling, an analytical solution to a nondimensional transport equation incorporating bacterial deposition was integrated. A nonlinear r...

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Bibliographic Details
Published in:Environmental science & technology 1998-05, Vol.32 (9), p.1329-1332
Main Authors: Bolster, Carl H, Hornberger, George M, Mills, Aaron L, Wilson, John L
Format: Article
Language:English
Subjects:
Bacteria
Bacteriological methods and techniques used in bacteriology
Bacteriology
Biological and medical sciences
Chemistry
Fundamental and applied biological sciences. Psychology
Microbiology
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Summary:To determine if a practical relationship exists between the easily determined fractional recovery of bacteria and the deposition coefficient, useful for predictive modeling, an analytical solution to a nondimensional transport equation incorporating bacterial deposition was integrated. A nonlinear relationship between the dimensionless deposition coefficient (κ1) and fraction of bacteria recovered (fr) was observed, and this relationship was shown to be affected by dispersion. This theoretical relationship was tested for its utility using observed data from a suite of column experiments. The predicted relationship between κ1 and fr was reflected quite well by the experimental data. The results indicate that a simple measurefractional recovery of bacteriacan be used to obtain an accurate value for the dimensionless deposition coefficient.
ISSN:0013-936X
1520-5851
DOI:10.1021/es970019a