Influence of the Adsorbent Material in the Performances of a Micro Gas Preconcentrator

Abstract : This paper presents the evaluation of different adsorbents for the improvement of the performances of a gas preconcentrator by targeting the adsorption of a large range of volatiles organics compounds (VOCs) The objectives of this work are to find the adequate adsorbent for a given gas target in specific experimental conditions and to select an efficient deposition process. Results related to the characterization of carbon nanopowders, carbon nanotubes (single walled (SWCNTs) and multi walled (MWCNTs)) and polymer (Tenax TA) for the development of a device for benzene preconcentration are reported. These results provide guidelines to define the right adsorbent for the preconcentration of benzene according to some specific criterions such as a large specific surface, a high adsorption capacity and low desorption temperature.
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El Hadji Malik Camara, Philippe Breuil, Danick Briand, Laurence Guillot, Christophe Pijolat, et al.. Influence of the Adsorbent Material in the Performances of a Micro Gas Preconcentrator. AIP Conference Proceedings, American Institute of Physics, 2009, 1137 (1), pp.323-326. ⟨10.1063/1.3156537⟩. ⟨emse-00494396⟩

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