Elements of
Chemical Reaction Engineering
6th Edition



Home

Essentials of
Chemical Reaction Engineering
Second Edition

  Select  Chapter  >>     TOC     Preface     1     2     3     4     5     6     7     8     9     10     11     12     13     14     15     16     17     18     Appendices  
›

By Chapter Hide

  • Objectives
  • Living Example Problems
  • Extra Help
  • - Summary Notes
  • - LearnChemE Screencasts
  • - FAQs
  • - Interactive Computer Modules
  • Additional Material
  • Self Test
  • i>Clicker Questions
  • Professional Reference Shelf

By Concept Hide

  • Interactive Modules
  • -Web Modules
  • -Interactive Computer Games
  • Living Example Problems

U of M Hide

  • Asynchronous Learning
  • ChE 344
  • ChE 528

Chapter 5: Isothermal Reactor Design: Conversion

Chapter 5 Self Test

Zero-order Reaction in a CSTR and PFR

The zero order reaction



is carried out in a CSTR and in a PFR. For an entering volumetric flowrate of 10 dm3/s at a concentration of .5 mol/dm3, what is the space time for each reactor to achieve 90% conversion.
Additional Information: kA = 0.01 mol/dm3•s

 

 

Hint 1: CSTR mole balance.

Hint 2: CSTR combined mole balance and rate law

Full Solution: CSTR

Solution: PFR


















































Hint 1

MOLE BALANCE:

Back to Hints

Back to problem

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Hint 2

RATE LAW:

COMBINE:

Back to Hints

Back to problem

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The zero order reaction

 

is carried out in a CSTR and in a PFR. For an entering volumetric flowrate of 10 dm3/s at a concentration of .5 mol/dm3, what is the space time for each reactor to achieve 90% conversion.

Full Solution: CSTR

MOLE BALANCE:
RATE LAW:
STOICHIOMETRY:

COMBINE:

 Back to problem

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The zero order reaction

is carried out in a CSTR and in a PFR. For an entering volumetric flowrate of 10 dm3/s at a concentration of .5 mol/dm3, what is the space time for each reactor to achieve 90% conversion.

Full Solution: PFR

MOLE BALANCE:



Back to Chapter 5