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Habilitation à diriger des recherches

Contributions du Génie Frigorifique et du Génie des Procédés pour un meilleur environnement

Abstract : In order to reach a better environment, two groups of methods can be considered: substituting polluting by clean (or at least with a lower impact) operations or developing pollution treatment solutions.
This document first presents various researches in Refrigeration aiming to limit the environmental impact of some activities in this field. For instance, researches on boiling heat transfer -and specifically on the mechanisms governing this phenomenon- are developed. The motivation of such studies lies in the enhancement of evaporators. The effect of the presence of oil or of the choice of zeotropic mixtures on refrigerating machines performances is then highlighted. Lastly, a new method for the optimization (minimization) of the energy consumption of water-cooled ammonia compressors is proposed.
Process Engineering provides solutions for the treatment of some air pollutants (e.g. Volatile Organic Compounds or carbon dioxide), among which some use the phenomenon of adsorption, and allow the pollutant separation, capture, concentration and possibly recovery. A new TSA (Temperature Swing Adsorption) process with indirect heating and cooling is developed for performing these operations.
This TSA process can be enhanced if combined with other processes such as condensation. The analysis methods typical of Energy Engineering (mainly Refrigeration and Air Conditioning) are shown to be an appreciable help for the optimization of the overall air treatment system. This is the incentive for suggesting the use of a new tool, namely a psychrometric-like chart for nitrogen-toluene mixtures in the presence of an activated carbon adsorbent.
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Habilitation à diriger des recherches
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Submitted on : Thursday, April 13, 2006 - 10:36:46 PM
Last modification on : Monday, October 19, 2020 - 11:02:01 AM
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Jocelyn Bonjour. Contributions du Génie Frigorifique et du Génie des Procédés pour un meilleur environnement. Energie électrique. Université de Technologie de Compiègne, 2004. ⟨tel-00012144⟩

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