| Title |
A Numerical Analysis of the Abatement of VOC with Photocatalytic Reaction in a Flow Reactor |
| Keywords |
광촉매 ; 수치해석 ; 실내 공기질 ; 회분 반응기 ; 연속흐름 반응기 ; Photocatalysis ; Numerical analysis ; Indoor air quality ; Batch reactor ; Continuous flow reactor |
| Abstract |
VOC (Volatile Organic Compound) removal characteristics in continuous flow reactors have been numerically investigated. The photocatalytic reaction have been simulated with the binding constant and the reaction rate constant obtained from experimental data for the constant-volume batch reactor, and then VOC abatement in continuous flow reactors with the same conditions as those of batch reactor has been analyzed. The standard model and mass conservation equation have been employed for numerical calculation, and heterogeneous reaction rate has been used in terms of the boundary condition of the conservation equation. In the case of the continuous flow reactor, reaction characteristics have been estimated with various inlet velocities and with different number of baffles. The result shows that the concentration distribution and the flow patterns are strongly affected by the inlet velocity, and that with the increased inlet velocity, VOC removal rate is increased, while removal efficiency is decreased. This result may be useful in the design of reactors with improved VOC removal efficiency. |