microkinetic models

How are Microkinetic Models Developed?

Developing a microkinetic model involves several steps:
1. Identification of Elementary Steps: The first step is to identify and propose all possible elementary steps that constitute the overall catalytic reaction. This includes adsorption, surface reactions, and desorption processes.
2. Parameter Estimation: Each elementary step is characterized by kinetic parameters such as activation energies and pre-exponential factors. These parameters can be obtained from or .
3. Rate Equations: For each elementary step, a rate equation is formulated based on the kinetic parameters and the concentration of reactants, intermediates, and products.
4. Solving the Model: The set of rate equations is solved numerically to obtain the concentration profiles of all species as a function of time. This step often requires sophisticated computational tools and software.

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