Modeling of Hollow Cylindrical Catalytic Pellets – Analytical Solutions for First Order Reaction

Cho, Young-Sang

doi:10.1080/00219592.2023.2232891

Cited by 1 publication

(2 citation statements)

References 27 publications

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“…41 Due to the simplicity, some of the RDE can be solved analytically, which is convenient for real-world applications. 42,43 More recently, the RDE has been developed into an advection−diffusion− reaction equation, 44,45 which has been applied to many realworld issues such as the combustion exhaust of vehicles 46 and the delivery of nanoparticles in tumor tissues. 47 The success of RDE is due to the unified equation, which avoids many compatibility problems.…”

Section: Introductionmentioning

confidence: 99%

“…Another simpler coupling method is the reaction–diffusion equation (RDE), in which the system is described by a molecular density profile, and the coupling mechanism is represented by a differential equation . Due to the simplicity, some of the RDE can be solved analytically, which is convenient for real-world applications. , More recently, the RDE has been developed into an advection–diffusion–reaction equation, , which has been applied to many real-world issues such as the combustion exhaust of vehicles and the delivery of nanoparticles in tumor tissues . The success of RDE is due to the unified equation, which avoids many compatibility problems.…”

Section: Introductionmentioning

confidence: 99%

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Development of a Reaction–Diffusion–Convection Model and Its Application to NO Oxidation in Reactors

Luo,

Liu

2024

Ind. Eng. Chem. Res.

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The multiscale modeling of a reaction-transport process is an important issue in both fundamental and applied studies. We introduced a reaction−diffusion−convection model to deal with the reaction-transport process in chemical engineering by combining the reaction kinetics model, classical density functional theory (CDFT), and computational fluid dynamics (CFD). The reaction kinetic model and CDFT are unified into a differential equation, which is coupled with the CFD equation by a boundary condition. The model is applied to NO oxidation in a reactor. The multiscale model reveals the relationship between the microscopic properties and the macroscopic performance of a catalyst/reactor. We examined the dependence of conversion on adsorption strength, the shape and number of catalyst particles, and flow velocity. The multiscale prediction is consistent with the experiment, and there is a selfinhibition effect in the reaction-transport process. The model gives some insight into the design of reactors and has the potential to be applied to other reaction-transport processes.

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