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Ano Letivo: 2021/22

Tecnologia Química

Advanced Separation Processes

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Publication in the Diário da República: Despacho nº 9183/2020 - 25/09/2020

6 ECTS; 1º Ano, 2º Semestre, 15,0 T + 30,0 TP , Cód. 300108.


Not applicable.

Develop skills in design calculus of liquid-liquid extraction, gas-liquid absorption and adsorption equipments.
Be able to identify and use advanced separation processes such as membrane and supercritical extraction, ionic permutation and chromatography.

1 - Gas-Liquid Absorption
Objectives and examples of industrial application
Preliminary project considerations
Calculation of design parameters

2- Liquid-Liquid Extraction
Fundamentals and phase equilibria
Selection of solvents
Extraction Equipment
Calculation of operating conditions

3 - membrane separation processes
Main membrane separion processes and applications
Selection mechanisms and applied driving-forces
Membranes morphology
Phenomena that affect the performance of membrane systems
Concentration polarization
Model for mass transport in porous pressurized systems
Biofilm Formation

4- supercritical extraction
Supercritical Fluid
Principles of supercritical extraction
Advantages and disadvantages
Extracts characteristics

5 - Ion exchange and chromatography
 Classification of chromatographic processes
 Balance in ion exchange and chromatography
 Concepts and operating parameters

Evaluation Methodology
Continuous assessment: open-book written test (a different test for each student) (75%) and individual assignment on one of the chapters defined by the instructor with presentation (25%). Minimum pass mark: 9.5 out of 20.
Exam-based assessment: same as written test (the work can be done from scratch or improved).

(2000). Encyclopedia of Separation Science. London: Academic Press
- Roper, D. e Seader, J. e Henley, E. (2011). SEPARATION PROCESS PRINCIPLES - Chemical and Biochemical Operations. USA: John Wiley & Sons
- Gomes de Azevedo, E. e Alves, A. (2017). Engenharia de Processos de Separação. Lisboa: IST Press

Teaching Method
Theoretical sessions in which chemical-physical principles and sizing methods are discussed. Theoretical-practical sessions focused on problem solving under the instructor's supervision.

Software used in class
Not applicable.




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