• AWWA WQTC71628

AWWA WQTC71628

Numerical Simulation of Calcium and Iron Fouling in Ultraviolet Disinfection

American Water Works Association , 11/01/2009

Publisher: AWWA

File Format: PDF

$12.00$24.00


This powerpoint presentation begins by providing a brief overview of the fouling problem with ultraviolet (UV) disinfection. The development of predictive models of fouling dynamics is presented, along with hydraulic and thermal effects on fouling, calcium as the major accumulative mineral, and iron as the major fouling mineral that influences UV deliverance. Presentation conclusions indicate the following: a 3-D CFD model to predict the momentum, heat, and mass transport for Ca and Fe fouling behavior; thermal effects on their fouling behaviors are in agreement with experiment observations; and, fouling reaction rate constants were estimated for broader use of fouling predictions in practical operation. Includes table, figures.

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