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W12 |
Transport and reaction in porous media |
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ECTS |
2.5 |
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Specialities |
W3 and NEWS |
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Keywords |
Flow and reaction into porous media - heterogeneous reactions - limitations to mass transfer |
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Description |
This unit aims to give some basic knowledge in transport and reaction that is necessary to model or to design the processes involved in water treatment at the scale of a granular media, or of a column, |
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Coordinators |
Ass. Pr. Jean-Stéphane PIC, INSA Toulouse, UMR LISB, pic@insa-toulouse.fr Dr MAI Huong, USTH, huong.mai2003@gmail.com or mai.huong@usth.edu.vn |
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Lectures |
-Introduction to liquid solid systems and reactors -Notion of porous media and of different porosity scales -Flow into porous media - introduction to Kozeny-Karman equation and application to a fixed bed of granulated media. Equations of Darcy and Ergun for pressure drop -General equation of reactive transport. Notion of dispersion, Peclet number -Different expressions of reaction rates and corresponding units -Notion of characteristic time (Damköhler) -Diffusion/reaction at the scale of a porous media - internal and external diffusion -Definition of Thiele modulus, notion of apparent reaction rate and if effectiveness factor -example of design of a G/L reactor for water oxidation and of a L/S reactor |
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Instructors |
Depending on the year, the lectures will be given by one the following teachers: Ass. Pr. Jean-Stéphane PIC, INSA Toulouse, UMR LISBP Pr Philippe BEHRA, INPT Pr Corinne Cabassud, INSA Toulouse, UMR LISBP Dr MAI Huong, USTH |
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References |
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Numbers of teached hours |
10 h lectures + 15 h tutorials (including labwork if available) |
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Control |
Written examination |