lecture 12 - CHE 349, Lecture 18 CHE 349: Kinetics and...

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CHE 349: Kinetics and Reactor Design Lecture 18 Jing Wu 350 Tiernan Department of Chemical Engineering ± jingwu@adm.njit.edu ² 973-642-7064 CHE 349 - Lecture 18 by Jing Wu 2 Assignment Required Reading Sec. 8.1-8.3 Homework: P8-3, P8-5(a-d), P8-8,P8-9 CHE 349 - Lecture 18 by Jing Wu 3 + = T T p R Rx Rx R dT C T H T H ) ( ) ( o 0 ) ( 0 1 0 0 = Θ = X F T H dT C F W Q A Rx n i T T pi i A S i & & 0 0 0 0 0 0 A i A i A i i y y C C N N = = = Θ Important Equations for Today 0 1 0 0 1 = + = = i i n i i i n i S H F H F W Q & & 0 ) ( ) ( 0 0 1 0 = Θ + = X F T H H H F W Q A Rx i i n i i A S & & ) ( ) ( ) ( ) ( T H T H a b T H a c T H a d A B C D + = H Rx [ ] 0 ) ( ˆ ) ( ) ( ~ 0 0 0 = + Θ R p R Rx A i pi i A S T T C T H X F T T C F W Q o & & CHE 349 - Lecture 18 by Jing Wu 4 Steady-State Nonisothermal Reactor Design What we are going to learn in Chapter 8 Method of evaluating the design equation when temperature varies along the length of a PFR or when heat is removed/added from a CSTR. The design equations, rate laws, and stoichiometric relationship derived and used in Chapter 4 for isothermal reactor design are still valid for the design of nonisothermal reactors.
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CHE 349 - Lecture 18 by Jing Wu 5 Steady-State Nonisothermal Reactor Design 8.1 Rationale 8.2 Energy balance for various reactors 8.3 Coupling of : Energy balance Mole balance Rate law Stoichiometry
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lecture 12 - CHE 349, Lecture 18 CHE 349: Kinetics and...

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