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Evaluation des performances et de l’innocuité de systèmes de traitement de l’air intérieur en conditions réelles

Abstract : Autonomous devices presenting a photocatalytic function designed for VOCs treatment in indoor air have conquered a large market in France. The current standard, named XP B 44 013, for testing the performances of such systems provides experimental conditions that are far from realistic conditions of implementation from the point of view of (i) the test chamber volume and (ii) the considered diversity of the VOCs. Thus, the study of devices treatment performances in an experimental room of realistic volume and facing different VOC mixtures that may be encountered in indoor air is crucial to propose a relevant evaluation of the performances of treatment devices and to determine their real influence on indoor air quality.The main objective of this thesis is to evaluate the performance and safety of commercial air treatment devices with a photocatalytic function in typical operating situations, close to actual conditions of use; that is to say, taking into account, on one hand, the diversity of species present in indoor air and, on the other hand, the low concentrations of VOCs. To achieve this objective, an experimental room called IRINA is developed and validated. Then, the performances of the treatment systems are evaluated in IRINA (i) using five artificial specific matrices of different indoor air pollution, (ii) facing a point pollution event due to cleanings and (iii) a source of continuous emission of pollution related to wood materials.Based on the obtained results in this work, recommendations for the evolution of photocatalysis standardizations are formulated.
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Pamela Harb. Evaluation des performances et de l’innocuité de systèmes de traitement de l’air intérieur en conditions réelles. Ingénierie de l'environnement. Université de Lille 1 - Sciences et Technologies, 2017. Français. ⟨NNT : 2017LIL10174⟩. ⟨tel-02572997⟩

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