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Funding: 50% ULCO, 50% Interreg
Thesis title: Catalytic processes for purifying indoor air
Thesis supervisor : Stéphane Siffert, Thesis advisor: Renaud Cousin
To learn more about this project:
This thesis project focuses on the sequential treatment of indoor air pollutants, combining adsorption and catalytic oxidation steps. The main compounds targeted are carbon monoxide (CO) and volatile organic compounds (VOCs), in particular toluene, chosen as a representative molecule of the BTEX group (benzene, toluene, ethylbenzene, xylene). The aim is to develop bifunctional materials capable of simultaneously adsorbing and oxidising these pollutants, in order to achieve both environmental and economic optimisation of indoor air purification processes.
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Funding: 50% ULCO, 50% Interreg
Thesis title: Respiratory toxicity of indoor air pollutants
Thesis supervisors and advisors: Sylvain Billet and Stéphane Siffert
To learn more about this project:
In a context where we spend most of our time indoors, with concentrations of certain pollutants that can be 2 to 10 times higher than those measured outdoors, the impact of indoor air quality (IAQ) on health is a major public health issue.The aim of this thesis will be to characterise the respiratory toxicity of indoor air pollutants and wood stove emissions, then to assess the impact of catalytic depollution techniques on reducing this toxicity. The methodology is based on in vitro tests, during which human respiratory cells will be exposed to gas mixtures using the Vitrocell™ device, which allows exposure conditions to be simulated realistically. The thesis will also contribute to validating the effectiveness of the multi-pollutant treatment devices developed as part of the CleanAirBouw project.To structure the project, the initial focus will be on characterising the respiratory toxicity of pollutants from wood stove emissions, followed by indoor air pollutants. To this end, it will be important to develop a robust and realistic air-liquid interface cell model that can be exposed to the various selected pollutants.
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