Lecture 8 - CHE 349 Kinetics and Reactor Design CHE 349 Kinetics and Reactor Design Lecture 10 Lecture 10 Jing Wu 350 Tiernan Department of

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Unformatted text preview: CHE 349: Kinetics and Reactor Design CHE 349: Kinetics and Reactor Design Lecture 10 Lecture 10 Jing Wu 350 Tiernan Department of Chemical Engineering ¡ jingwu@adm.njit.edu ¢ 973-642-7064 CHE 349 - Lecture 10 by Jing Wu 2 Assignments Reading: 4.4-4.6 Homework 4-18, 4-21 (pressure drop) CHE 349 - Lecture 10 by Jing Wu 3 Introduce Pressure in Design Equation A A r dW dX F ' − = 2 ' A A kC r = − ) / )( / )( 1 ( ) ( T T P P X v X v F v F C i i A i i ε + + Θ = = 1 P P X X v C C i i A i + + Θ = ε T T P P X X C C A A 1 ) 1 ( ε + − = 2 1 ) 1 ( ' + − = − T T P P X X C k r A A ε ) , ( 1 P X F dW dX = 2 2 1 ) 1 ( + − = P P X X v kC dW dX A ε CHE 349 - Lecture 10 by Jing Wu 4 Pressure Drop (I) Ergun Equation + − − = G D D g G dz dP p p c 75 . 1 ) 1 ( 150 1 3 µ φ φ φ ρ where P: pressure, lb/ft 2 φ : porosity = void volume/total bed volume g c : 32.174 lb m ft/s 2 lb...
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Lecture 8 - CHE 349 Kinetics and Reactor Design CHE 349 Kinetics and Reactor Design Lecture 10 Lecture 10 Jing Wu 350 Tiernan Department of

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