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Lecture 4 Tuesday 1/15/08 Block 1: Mole Balances Size CSTRs and PFRs given –r A =f(X) Block 2:...

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Lecture 4 Tuesday 1/15/08 • Block 1: Mole Balances Size CSTRs and PFRs given –r A =f(X) • Block 2: Rate Laws Reaction Orders Arrhenius Equation • Block 3: Stoichiometry Stoichiometric Table Definitions of Concentration Calculate the Equilibrium Conversion, X e

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Page 1: Lecture 4 Tuesday 1/15/08 Block 1: Mole Balances Size CSTRs and PFRs given –r A =f(X) Block 2: Rate Laws Reaction Orders Arrhenius Equation Block 3: Stoichiometry.

Lecture 4 Tuesday 1/15/08• Block 1: Mole Balances Size CSTRs and PFRs given –rA=f(X)• Block 2: Rate Laws Reaction Orders Arrhenius Equation• Block 3: Stoichiometry Stoichiometric Table Definitions of Concentration Calculate the Equilibrium Conversion, Xe

Page 2: Lecture 4 Tuesday 1/15/08 Block 1: Mole Balances Size CSTRs and PFRs given –r A =f(X) Block 2: Rate Laws Reaction Orders Arrhenius Equation Block 3: Stoichiometry.

Page 3: Lecture 4 Tuesday 1/15/08 Block 1: Mole Balances Size CSTRs and PFRs given –r A =f(X) Block 2: Rate Laws Reaction Orders Arrhenius Equation Block 3: Stoichiometry.

Levenspiel Plot

FA 0

rA

X

Page 4: Lecture 4 Tuesday 1/15/08 Block 1: Mole Balances Size CSTRs and PFRs given –r A =f(X) Block 2: Rate Laws Reaction Orders Arrhenius Equation Block 3: Stoichiometry.

PFR

FA 0

rA

Area = Volume of PFR

V 0

X1FA 0

rA

dX

X1

Page 5: Lecture 4 Tuesday 1/15/08 Block 1: Mole Balances Size CSTRs and PFRs given –r A =f(X) Block 2: Rate Laws Reaction Orders Arrhenius Equation Block 3: Stoichiometry.

Page 6: Lecture 4 Tuesday 1/15/08 Block 1: Mole Balances Size CSTRs and PFRs given –r A =f(X) Block 2: Rate Laws Reaction Orders Arrhenius Equation Block 3: Stoichiometry.

Arrhenius Equation

Page 7: Lecture 4 Tuesday 1/15/08 Block 1: Mole Balances Size CSTRs and PFRs given –r A =f(X) Block 2: Rate Laws Reaction Orders Arrhenius Equation Block 3: Stoichiometry.

Reaction Engineering

These topics build upon one another

Mole Balance Rate Laws Stoichiometry

Page 8: Lecture 4 Tuesday 1/15/08 Block 1: Mole Balances Size CSTRs and PFRs given –r A =f(X) Block 2: Rate Laws Reaction Orders Arrhenius Equation Block 3: Stoichiometry.

Two steps to get

Step 1: Rate Law

Step 2: Stoichiometry

Step 3: Combine to get

rA f X

rA g Ci

Ci h X

rA f X

Page 9: Lecture 4 Tuesday 1/15/08 Block 1: Mole Balances Size CSTRs and PFRs given –r A =f(X) Block 2: Rate Laws Reaction Orders Arrhenius Equation Block 3: Stoichiometry.

Page 10: Lecture 4 Tuesday 1/15/08 Block 1: Mole Balances Size CSTRs and PFRs given –r A =f(X) Block 2: Rate Laws Reaction Orders Arrhenius Equation Block 3: Stoichiometry.

Page 11: Lecture 4 Tuesday 1/15/08 Block 1: Mole Balances Size CSTRs and PFRs given –r A =f(X) Block 2: Rate Laws Reaction Orders Arrhenius Equation Block 3: Stoichiometry.

Page 12: Lecture 4 Tuesday 1/15/08 Block 1: Mole Balances Size CSTRs and PFRs given –r A =f(X) Block 2: Rate Laws Reaction Orders Arrhenius Equation Block 3: Stoichiometry.

Page 13: Lecture 4 Tuesday 1/15/08 Block 1: Mole Balances Size CSTRs and PFRs given –r A =f(X) Block 2: Rate Laws Reaction Orders Arrhenius Equation Block 3: Stoichiometry.

Page 14: Lecture 4 Tuesday 1/15/08 Block 1: Mole Balances Size CSTRs and PFRs given –r A =f(X) Block 2: Rate Laws Reaction Orders Arrhenius Equation Block 3: Stoichiometry.

Page 15: Lecture 4 Tuesday 1/15/08 Block 1: Mole Balances Size CSTRs and PFRs given –r A =f(X) Block 2: Rate Laws Reaction Orders Arrhenius Equation Block 3: Stoichiometry.

Page 16: Lecture 4 Tuesday 1/15/08 Block 1: Mole Balances Size CSTRs and PFRs given –r A =f(X) Block 2: Rate Laws Reaction Orders Arrhenius Equation Block 3: Stoichiometry.

Page 17: Lecture 4 Tuesday 1/15/08 Block 1: Mole Balances Size CSTRs and PFRs given –r A =f(X) Block 2: Rate Laws Reaction Orders Arrhenius Equation Block 3: Stoichiometry.

Page 18: Lecture 4 Tuesday 1/15/08 Block 1: Mole Balances Size CSTRs and PFRs given –r A =f(X) Block 2: Rate Laws Reaction Orders Arrhenius Equation Block 3: Stoichiometry.

Mole Balance

Rate Laws

Stoichiometry

Isothermal Design

Heat Effects

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