Development of a CFD Model for the Simulation of HDS and HDA Reactions in TBR

In this contribution, a CFD technique has been used to study the effects of operational parameters on the amount of hydrodesulfurization (HDS) and hydrodearomatization (HDA) conversions in the trickle bed reactor (TBR). The Eulerian-Eulerian multiphase approach has been used to simulate multiphase flow conditions with appropriate models to account interphase interactions at TBR. Due to the importance of porosity distribution effect on the hydrodynamics behavior and reaction conversion, an appropriate trilobe porosity model has been implemented in the simulation models. The studied parameters are temperature, pressure, liquid phase velocity, and gas phase hydrogen sulfide concentration. The simulation results show good agreement with the reported experimental data.