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Article Dans Une Revue Membranes Année : 2019

Effects of Operating Parameters on Ionic Liquid Membrane to Remove Humidity in a Green Continuous Process

Résumé

Membrane processes are promising methods to separate gases from feed streams without phase changing. A hybrid process, the combination of ionic liquids with a ceramic membrane (ILM), has been developed for humidity removal in a green continuous process. This new concept provides a more efficient and available ionic liquid (IL)-based membrane regeneration process, which just switches the moist feed stream to dry air. Furthermore, the ILM presents high stability and mechanical resistance during long-time operation. In addition, the influences of several operating parameters, including flow rate, temperature, absolute pressure, and feed concentration on process efficiency were investigated. The lower inlet flow rate was found to be favorable for drying humid air. Moreover, when the pressure increased, the mass of absorbed water was increased, while the feed concentration had no significant effects on the membrane separation performance. However, the operating temperature had a great effect on humidity removal. It is necessary to note that the processes at room temperature can limit the energy consumption. The absorbing process of ILM remained efficient after several absorption desorption cycles. Therefore, the new ILM hybrid process that has been developed has great potential for consecutive humidity removal processes.
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Dates et versions

hal-02335020 , version 1 (13-07-2023)

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Xueru Yan, Alexandre Favard, Stéphane Anguille, Marc Bendahan, Philippe Moulin. Effects of Operating Parameters on Ionic Liquid Membrane to Remove Humidity in a Green Continuous Process. Membranes, 2019, 9 (5), pp.65. ⟨10.3390/membranes9050065⟩. ⟨hal-02335020⟩
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