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Tecnologia Química

Reactors

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Publication in the Diário da República: Despacho n.º 15239/2016 - 19/12/2016

5 ECTS; 2º Ano, 2º Semestre, 30,0 T + 15,0 PL + 15,0 TP , Cód. 814221.

Lecturer
- José Manuel Quelhas Antunes (1)(2)

(1) Docente Responsável
(2) Docente que lecciona

Prerequisites
Not applicable.

Objectives
Develop skills in studies of chemical kinetics and in the analysis and design of ideal chemical reactors through mass and energy balances. Brief real reactors analysis using Residence Time Distibution.

Program
1 Introduction.
1.1. Chemical reaction engineering and reactor design.
1.2 Ideal Homogeneous Reactors: classification, characterization and selection of chemical reactors.
1.3 Balances concept: matter, energy, global, macroscopic and microscopic.
2 Chemical Reaction
2.1 Quantitative parameters for chemical reaction evolution.
2.2 Chemical kinetics notions. Methods of experimental determination of the chemical reaction kinetics.
3 Ideal reactors performance: Material and energy balances.
3.1. Batch reactors. Retention time and stoppage time. Semi-batch reactors.
3.2 Continuous stirred reactors. Series of continuous stirred reactors.
3.3. Tubular reactors.
4. Residence Times Distribution - RTD
4.1. Main features of the RTD function. Experimental determination of the RTD functions
4.2. Design of reactors with non-ideal flow through RTD. Total segregation, maximum mixdness, diffusional piston and cascade reactors.
4.3. Use of computational methods for application of RTD Theory

Evaluation Methodology
The final classification in continuous evaluation is obtained by weighting the classification obtained in 2 written tests (70%) and in computational and theoretical/pratical tasks (30%). Students who fail to be present in at least 2/3 of the TP/PL classes will be excluded from final evaluation as stated in the current academic regulation. The final classification in period of final evaluation is obtained by written test (70%) and by the classification obtained in computational and theoretical/pratical tasks (30%). In all assessment periods, in order to be able to approve, students must obtain a minimum score of 7 out of 20 in any written test or theoretical/pratical task , and a minimum final classification of 10.

Bibliography
- Bischoff, K. e Froment, G. (2010). Chemical Reactor Analysis and Design. New York: John Wiley & Sons
- Fogler, H. (2016). Elements of Chemical Reaction Engineering. New Jersey: Prentice-Hall
- Levenspiel, O. (1999). Chemical Reaction Engineering. New York: John Wiley
- Ribeiro, F. e Lopes, J. e Lemos, F. (2002). Reactores Químicos. Lisboa: IST Press

Teaching Method
Lectures, tutorials and some computational tasks.

Software used in class
MS Excel
Mathworks Matlab

 

 

 


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