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Ano Letivo: 2021/22

Tecnologia Química


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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.

- José Manuel Quelhas Antunes

Not applicable.

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 RTD.

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. tubalar reactors with recycle.
3.4 Sequential continuous 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 spreadsheet for application of RTD Theory

Evaluation Methodology
The final classification in continuous evaluation is obtained by weighting the classification obtained in 2 written tests (60%), in laboratory and computational tasks and respective reports (30%) and in some tasks that may be of a computational nature (10%). The final classification in period of final evaluation is obtained by written test (70%) and by the classification obtained in laboratory and computational 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, and a minimum final classification of 10.

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

Teaching Method
Lectures, tutorials and some laboratorial works.

Software used in class
MS Excel
Mathworks Matlab




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