lec02_02092007_g - 10.37 Chemical and Biological Reaction...

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10.37 Chemical and Biological Reaction Engineering, Spring 2007 Prof. William H. Green Lecture 2: The Reaction Rate & Reaction Mechanisms The lecture covers: Definitions in terms of reacting compounds and reaction extent, rate laws, Arrhenius equation, elementary, reversible, non-elementary, catalytic reactions. From previous lecture: , A Ao A A A A dN FF G G r d V dt =− + = Example: C B A 2 + *Reactions are reversible (often will neglect reverse) A o A Ao NN X N = A A o A Ao X F = A 2 C C Ao F X F = F Ao F Bo C,A,B A,B Figure 1. A reactor with reactants A and B constantly flowing in and product C and unused reactants A and B flowing out. [] N liters sec moles A flowing in sec moles A flowing out sec 1 Ao in o input o Ao output out output in in FA Av X == u t v A v v = Closed reactor, const. V Detailed balance- all steps in equilibrium, total system [ ] 2 A eq dA rk A B dt C K AB = when [ ] 2 eq C K = the rxn. stops -> r A =0 Cite as: William Green, Jr., course materials for 10.37 Chemical and Biological Reaction Engineering, Spring 2007. MIT OpenCourseWare (http://ocw.mit.edu), Massachusetts Institute of Technology.
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This note was uploaded on 11/27/2011 for the course CHEMICAL E 10.302 taught by Professor Clarkcolton during the Fall '04 term at MIT.

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lec02_02092007_g - 10.37 Chemical and Biological Reaction...

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