RESEARCH ACTIVITIES

Prasanna A. Deshpande, Chemical Engineering Graduate Student

"Experimental Studies and Mathematical Modeling of Bacterial Transport through Saturated Porous Media"

CONCLUSIONS

1. The bacteria Pseudomonas fluorescens shows three different kinds of attachment kinetics viz. blocking, ripening, and 1^st order behavior.
2. Increasing salt concentration and valence of the electrolyte makes the attachment kinetics change from 2^nd order with blocking to 1^st order and then to 2^nd order with ripening.
3. With increasing salt concentration the fitted values of collision efficiency approach the limit of 1.0.
4. The mathematical model can be used to describe the convection-dispersion equation with three different attachment kinetics or to estimate the colloid filtration parameters.

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