Related Experiment Videos
Development of a simulator for ozone/UV reactor based on CFD analysis.
M Kamimura1, S Furukawa, J Hirotsuji
1Advanced R&D Technology Center, Mitsubishi Electric Corp., 8-1-1 Tsukaguchi-Honmachi Amagasaki Hyogo 661-8661, Japan.
Summary
A new Computational Fluid Dynamics (CFD) simulator models ozone/UV reactors, validating with lab data. The tool reveals non-optimized conventional reactor designs for improved water treatment.
Area of Science:
- Environmental Engineering
- Chemical Engineering
- Water Treatment Technologies
Background:
- Ozone/UV (O3/UV) reactors are crucial for water purification.
- Accurate simulation of radical reactions within these reactors is complex.
- Optimizing O3/UV reactor design requires advanced modeling tools.
Purpose of the Study:
- To develop a novel Computational Fluid Dynamics (CFD) simulator for O3/UV reactors.
- To integrate fluid dynamics with a complex radical reaction model.
- To investigate the distribution of chemical species within the reactor.
Main Methods:
- Combined a fluid dynamics model with a complex radical reaction model.
- Developed a CFD simulator for O3/UV water treatment systems.
- Validated the simulator using experimental data from a lab-scale completely stirred tank reactor (CSTR).
Main Results:
- The radical reaction model showed good agreement with experimental data for TOC, H2O2, and dissolved ozone.
- The CFD simulator accurately predicted the distribution of hydroxyl radical (OH*) and hydrogen peroxide.
- Simulation results indicated that conventional O3/UV reactors are not optimally designed.
Conclusions:
- The developed CFD simulator is a reasonable tool for analyzing O3/UV reactors.
- The simulator can reveal non-uniform distributions of critical species.
- Findings suggest potential for significant improvements in O3/UV reactor efficiency and design.