Example_No_8 - Example No 8: Governing Laws Figu re 1 ....

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Example No 8: Governing Laws Figure 1. Pressurized Gas Phase Reaction System System description 1. The reaction: Reversible reaction Forward rate constant k1 and reverse rate constant k2 B A 2 The forward reaction is 1.5 th order in A and the reverse reaction is 1 st order in B 2. The reactor is filled with gases 3. Mole fraction of A in the reactor is y 4. Both P and y vary with time 5. The product stream flow out through a restriction valve 6. The feed stream has a density of 0 and a mole fraction of y 0 Assumptions 1. Both gases are perfectly mixed
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Model Equations i. Mass Balance Total Continuity equation system leaving mass system entering mass on accumulati mass of Rate F F dt d V 0 0 * F and changes with time, need equation to describe them Component A balance Equation Rxn in consumed output Rate input Rate A of on accumulati mass of Rate Overall rate of reaction B 2 5 . 1 A 1 C k C k R mole disappearance of A = 2 Moles of Formation of B
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This note was uploaded on 03/21/2010 for the course ENGINEERIN Advance Pr taught by Professor - during the Spring '10 term at Universiti Teknologi Malaysia.

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Example_No_8 - Example No 8: Governing Laws Figu re 1 ....

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