lecture-4 - CHE 309: Chemical Reaction Engineering CHE 309:...

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Unformatted text preview: CHE 309: Chemical Reaction Engineering CHE 309: Chemical Reaction Engineering Lecture-4 Lecture-4 Module 1: Mole Balances, Conversion & Reactor Sizing (Chapters 1 and 2, Fogler) Topics to be covered in todays lecture Conversion (X) GMBE in terms of conversion (X) for the following reactors Batch Reactor Continuous Stirred Tank Reactor Plug Flow Reactor Introduction to Levenspiel Plots Conversion (X) Conversion (X) Conversion: quantification of how a reaction has progressed fed A species of Moles reacted A species of Moles X A " " " " = (A: limiting reactant) ) 1 ( X N N A A- = Batch Reactors AO A AO N N N X- = Continuous (or Flow) Reactors A A A F F F X- = ) 1 ( X F F A A- = can be omitted Maximum conversion for irreversible reactions: X = 1.0 Maximum conversion for reversible reactions: X = X e ? A A A C C C X When- = C (Conversion) aA + bB cC + dD : : * A + (b/a)B (c/a)C + (d/a)D A C ( C A E ) = ( C A E ) ( C...
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lecture-4 - CHE 309: Chemical Reaction Engineering CHE 309:...

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