Click for Site Map and Index HOME    CEP    ALGORITHM    CRE 
SREP-PartI:PFR 
 

4.Identify and Name:

  1. Relative Theories and Equations
  2. Differential Form of PFR equation: 

  3. Systems
  4. Volume of PFR

  5. Dependent and Independent Variables
  6. Independent: VPFR, FA0, FB0, T

    Dependent: conversion (X)

  7. Knowns and Unknowns
  8. Knowns: VPFR, vA0, vB0, FA0, FB0, T, X

    Unknowns: Specific reaction rate constant, k

  9. Inputs and Outputs
  10. In: FA0, FB0

    Out: FA, FB

5.Assumptions/Approximation
Isothermal: no temperature change

No volume change on mixing

6. Specifications
This problem is overspecified: heat capacity, viscosity and boiling point of the components.
7.Algorithm:
Mole Balance on the PFR: 
Rate Law:

Stoichiometry: Equal Molar thetaB = 1

Combine:

Evaluate:

rearrange to solve for k

 

Forward to Part 2 : CSTR & PFR

  Back to Original Problem

 


CRE > Thoughts > CEP > Algorithm > CRE Examples > Sample