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Two phases mass transfer - 3FME1025

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  • Number of hours

    • Lectures : 9.0
    • Tutorials : 0
    • Laboratory works : 0
    • Projects : 0
    • Internship : 0
    • Written tests : 1.5
    ECTS : 10.0
  • Officials : Marc AUROUSSEAU

Goals

Learning outcomes:

  • To understand mass transfer processes between two phases;
  • To master the writing of mass balance without reaction;
  • To design closed and open mass exchangers;
  • To apply the knowledge acquired in the course on two fields of application: gas / liquid absorption without reaction and liquid / liquid extraction.
Contact Marc AUROUSSEAU

Content

I. Reminders - Supplements - Definitions
I.1. Fraction and ratio
I.2. Concentrations and flow rates
I.3. Mass flow between two phases
I.4. Local and global conductances
I.5. Concepts: HUT, NUT and HET, NET

II. Assumptions made during this course

III. Agitated batch exchanger
III.1. Overall mass balance on the exchanger
III.2. Efficiency E
III.3. Fraction of contaminant in the extract F
III.4. Transfer Kinetics
III.4.1. Differential mass balance
III.4.2. Analytical and graphical integration
III.4.3. Concept of transfer unit
III.4.4. exercise

IV. Continuous counter-current Exchanger
IV.1. principle
IV.2. graphic resolution
IV.3. exercise

V. Progressive counter-current Exchanger
V.1. overall mass balance
V.2. differential mass balance
V.3. Concept of transfer unit
V.4. Graphic determination of NUT
V.5. Relationship between NUTG, NUTL and NET
V.6. exercise



Prerequisites

mass transfer course; Notion of mass balances; Concepts of thermodynamic equilibrium between 2 phases

Tests

A 1.5 hour written exam.
Written notes (courses/TP/TD) authorized. Copies of books or previous exams are banned.
Examination compensatable.



note égale à la note du DS

Calendar

The course exists in the following branches:

Additional Information

Curriculum->Pagora Engineer - Student->Semester 6


Sécurité-Environnement

Bibliography

INCROPERA F. P., DE WITT D. P. Fundamentals of heat and mass transfer. 4e éd. New York : John Wiley & Sons, 1996.
ROUSTAN M. Transferts gaz-liquide dans les procédés de traitement des eaux et des effluents gazeux. Editions Tec & Doc, Lavoisier, Paris, 2003.

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Date of update July 23, 2020

Université Grenoble Alpes