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Filtration and settling - 5FM91001

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  • Number of hours

    • Lectures : 10.0
    • Tutorials : 6.0
    • Laboratory works : 0
    • Projects : 0
    • Internship : 0
    • Written tests : 2.0
    ECTS : 16.0
  • Officials : Marc AUROUSSEAU

Goals

The course aims at:

  • understanding the functioning of liquid-solid separation processes, either through sedimentation either through filtration.
  • understanding some mechanisms governing the flocculation and coagulation of colloidal suspensions as well mechanisms of capture in depth or surface filtration.
  • giving engineering tools to design and size these unit processes .
  • knowing the main existing techniques and technologies to perform such separation at the industrial scale.
Contact Marc AUROUSSEAU

Content

FILTRATION
Understanding and modeling of fluid flow in porous media
Filtration on support (cake filtration): mass balance and kinetics law; design and sizing of a filter press and rotary drum filter.
Deep bed filtration (depth filtration): modeling the evolution of the filter (clogging, retention and concentration profiles) and design of a sand filter.

SETTLING
• Presentation of the laws and phenomena governing the sedimentation of solid particles
- Discrete settling for isolated particles (Stokes, Allen or Newton law)
- Flocculent settling in the case of dilute suspension
- Zone settling for concentrated suspension (Kynch theory)
• Design and sizing of settling tanks.



Prerequisites

FILTRATION: Mass balances; Bases of pipeline hydraulics

SETTLING: Mass balances; Bases of hydrodynamics (drag force, equations of convection-diffusion-dispersion)

Tests

A 2 hours written exam (1h for each part).
Written notes authorized. Copies of books or previous exams are banned.
Examination compensatable.

part I (Decantion) : mark N1
part II (Filtration) : mark N2
At the discretion of teachers, “random” or “surprised” test can be asked to the students during the course. The mark will be N3 . It will then be included in the calculation of the average mark with a 0.1 coefficient on the final note.



N = moyenne(N1, N2)*0.7 + 0.3 N3

Calendar

The course exists in the following branches:

see the course schedule for 2018-2019

Additional Information

Curriculum->->Semester 9
Curriculum->Pagora Engineer - Apprentice->Semester 9
Curriculum->Professionnal training->Semester 9
Curriculum->Pagora Engineer - Student->Semester 9
Curriculum->Elective Semester PIME->Semester 9


Sécurité-Environnement
Cours en salle - RAS

Bibliography

COULSON J.M., RICHARDSON J.F. Chemical engineering. Volume 2, Unit operations. Oxford ; New York ; Toronto : Pergamon press, 1978, 814 p.
DEGREMONT S.A. Mémento technique de l'eau. Rueil-Malmaison : Degrémont Suez ; Paris : [diffusion Lavoisier], 2005, 2 vol., 1718 p.
GEANKOPLIS C.J. Transport processes and unit operations. 3rd ed. Engelwood Cliffs (N.J.) : PTR Prentice Hall, 1993, 921 p.
MCCABE W.L., SMITH J.C., HARRIOTT P. Unit operations of chemical engineering. 7th ed. Boston : McGraw-Hill, 2005, 1140 p.
PERRY R.H., CHILTON C.H. Chemical engineers' handbook. 5th ed. New York ; St. Louis ; San Francisco [etc.] : McGraw-Hill, 1973
ROQUES H. Fondements théoriques du traitement chimique des eaux. Vol. 1. Paris : Technique et documentation-Lavoisier, 1990, 519 p.
ROQUES H. Fondements théoriques du traitement chimique des eaux. Vol. 2. Paris : Technique et documentation-Lavoisier, 1990, 523-904 p.
( http://sicd1.ujf-grenoble.fr/-Bases-de-donnees-de-A-a-Z- ) Les Techniques de l'Ingénieur. Séparation de phases.Vol J2.

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Date of update April 18, 2019

Grenoble INP Institut d'ingénierie Univ. Grenoble Alpes