Water Environment Research, Volume 78, Number 9, September
2006.
The efficacy of disinfection processes in water purification
systems is goveed by several key factors, including reactor
hydraulics, disinfectant chemistry, and microbial inactivation
kinetics. The objective of this work was to develop a computational
fluid dynamics (CFD) model
to predict velocity fields, mass transport, chlorine decay, and
microbial inactivation in a continuous flow reactor. The CFD model
was also used to evaluate disinfection efficiency in alteative
reactor designs. The CFD reactor analysis demonstrates that
disinfection efficiency is affected by both kinetics and mixing
state (i.e. , degree of micromixing or segregation).
Residence time distributions (RTDs) derived from tracer analysis do
not describe intrinsic mixing conditions.
Greene Dennis J., Haas Charles N. Farouk Bakhtier Computational Fluid Dynamics Analysis of the Effects of Reactor Configuration
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