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Chemical Reaction Engineering I

Objectives

The main goal of this course is to provide the students with the basic concepts of Chemical Reaction Engineering, in such a way that on the end of the course the students will be able to:

-To determine a kinetic law corresponding to a given chemical reaction, calculating the kinetic parameters. To derive a kinetic law from a mechanistic proposal. To design ideal chemical reactors working under isothermal or non-isothermal or transient conditions according to the production goals.

General characterization

Code

12596

Credits

6.0

Responsible teacher

Sónia Alexandra Correia Carabineiro

Hours

Weekly - 4

Total - 56

Teaching language

Português

Prerequisites

None

Bibliography

1-H. Scott Fogler, Elements of Chemical Reaction Engineering, 4rd edition, Prentice-Hall, 2006.


2-José Luis Figueiredo e Fernando Ramoa Ribeiro, Catálise Heterogénea,2ºedição,Fundação Calouste Gulbenkian, 2007.

 

3-Octave Levenspiel, Chemical Reaction Engineering,4th edition, John Wiley & Sons, 1998.


4-J. M. Smith, Chemical Engineering Kinetics,3rd edition, McGraw-Hill, 1981.


5-Jacques Villermaux, Génie de la Réaction Chimique. Conception et fonctionnement des réacteurs.,2eme tirage, Lavoisier-Technique et Documentation, 1985.

Teaching method

The teaching is based on theoretical (T) classes, practical laboratory and treatment of the obtained results (P), and exercise-solving classes (TP).

In the theoretical classes, the subjects of the curricular unit are taught according to the program and some exercises applying the introduced concepts are solved (TP).

In the laboratory classes (mandatory), a practical work in 3 parts (groups of 3-4 people) will be made. The students will present orally the reports of the works previously submitted and carried out using spreadsheets, followed by discussion.

Evaluation method

Assessment:

1. Completion of 2 written tests, or a final exam, corresponding to 70% of the final grade.

2. Completion of 1 practical work in 3 parts, with the preparation, presentation, and discussion of the respective report.

Evaluation in groups of 3 or 4 students. Contribution to the final grade: 30%.

3. Students are approved in the course if they have a final grade equal to or above 9.45 values.

The grade corresponding to the written part CANNOT be less than 9.45 values.

Subject matter

  1. Ideal chemical reactors: batch reactor, continuous stirred tank reactor (CSTR), plug flow reactor (PFR).
  2. Reaction rate and conversion. The general mole balance equation and design equations
  3. Graphical methods.
  4. Stoichiometry and rate law.
  5. Batch reactors: constant and variable volume. Optimizing the operation time and conversion.
  6. Association of CSTRs; constant and variable volumetric flow rate; pressure drop in the PFR. Reversible reactions.
  7. Determination of kinetic parameters.
  8. Homogeneous non-elementary reactions.
  9. Non-isothermal reactors: the energy balance equation; continuous-flow reactors at steady state.
  10. Adiabatic operation; reversible reactions; PFR under non-isothermal, non-adiabatic operation.
  11. Non-isothermal batch reactor.
  12. Multiple steady states in a CSTR: a a brief looking on the steady states stability.
  13. Multiple reactions: selectivity and yield.
  14. Transiente state operation.
  15. Introduction to Heterogeneous Catalysis.

Programs

Programs where the course is taught: