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lec2_print - Process Models Srinivas Palanki University of...

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Process Models Srinivas Palanki University of South Alabama Srinivas Palanki (USA) Process Models 1 / 8
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Introduction to Process Models What is a Process Model? A process model is a set of equations, including the necessary input data to solve the equations, that allow us to predict the behavior of a chemical process system. Fundamental Model : Derived from I Material and Energy balances I Physical and Chemical Properties Empirical Model : Obtained by “fitting” data I Numerical Methods I Statistical Analysis Srinivas Palanki (USA) Process Models 2 / 8
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Introduction to Process Models Example 1 The following liquid-phase, isothermal first order reaction, with rate constant k, is occurring in a batch reactor. A -→ B How does the concentration of species A change with time if the initial concentration is C A 0 ? Srinivas Palanki (USA) Process Models 3 / 8
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Fundamental Model dC A dt = - kC A C A (0) = C A 0 Integrating: C A = C A 0 e - kt If k is known a priori , the above expression tells us how
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lec2_print - Process Models Srinivas Palanki University of...

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