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Article Dans Une Revue Chemical Engineering Journal Année : 2021

Toluene removal from gas streams by an ionic liquid membrane: Experiment and modeling

Résumé

Ionic liquids (ILs) are promising alternative solvents for traditional organic compounds using selective separation. However, some environmental risks of ILs, resulting in a limitation of their applications in industry. In this work, the stability of ILs into multi-channel tubular ceramic membranes (ILM) provides a promising way to realize the use of ILs with environmental damages reducing. This novel process has been investigated for toluene removal from a toluene/air gas mixture based on 1-butyl-3-imidazolium bis(trifluoromethylsulfonyl)amide ([Bmim][NTf2]) as a liquid sorbent. In addition, the effects of operating conditions on toluene separation were studied and discussed by experiment and modeling. The absorption capacity of toluene by the ILM on proposed operating conditions was around 224.74 mg per gram of the ionic liquid. The support ceramic membrane can effectively prevent ILs leakage from causing secondary waste and ensure longtime operation. Regeneration of polluted ILM was available.
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Dates et versions

hal-03597697 , version 1 (04-03-2022)

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Xueru Yan, Stéphane Anguille, Marc Bendahan, Philippe Moulin. Toluene removal from gas streams by an ionic liquid membrane: Experiment and modeling. Chemical Engineering Journal, 2021, 404, pp.127109. ⟨10.1016/j.cej.2020.127109⟩. ⟨hal-03597697⟩
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