Research Article

Theoretical Hydrodynamic Modeling of the Fluidized Bed Photoreactor (FBP) Using Computational Fluid Dynamics (CFD): Fluidization Conditions for TiO2-CuO Immobilized on Beach Sand Granules

Table 1

Granular catalyst’s physical properties and the dimensions and specifications of the fluidized bed annular photoreactor.

Granular photocatalyst
Composition: TiO2-CuO (1 wt.% CuO) immobilized on beach sand granules (0.04 g of catalyst/g of sand)Granular size distribution: 0.212 mm-0.355 mmApparent density (): 1450 kg/m3

Fluidized bed annular photoreactor
Dimensions:
Length (40 cm)
Internal diameter (3.8 cm)
Outer diameter (10 cm)
Nozzle’s internal diameter (1.905 cm)
Materials: carbon steel/stainless steel alloy thickness (3 mm)
Borosilicate tube thickness (2 mm)
UV-C lamp
Length (43 cm)
Power (15 W)
Wavelength (253.7 nm)

Modeling parameters
Turbulent flow ():
Reference values: ,  K
Turbulence model parameters: , , , , , , and
Particle tracking for fluid flow: bidirectionally coupled particle path:

Maximum number of secondary particles: 10000
Fluid-particle interaction: