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Integration of MFI Zeolite Membranes in the Light Gasoline Isomerisation Process

A. Baudot 1, * L. Bournay 1
* Corresponding author
Abstract : Tests aiming at separating normal pentane from a light gasoline isomerate through a MFI zeolite composite membrane were carried out. The performances of this membrane sample were studied as a function of total hydrocarbon pressure upstream of the membrane as well as the temperature. Maximal permeate flux, close to 2 kg/m2.h, was observed at 250°C - 2 bar total hydrocarbon pressure. The normal pentane weight fraction was more than threefold higher in the permeate than in the feed. In a second step, a fully heat-integrated light gasoline isomerisation process loop integrating a MFI zeolite membrane-based separation was simulated and optimised. Integration of MFI zeolite membranes in this process proved to be valuable only if their cost is lower than 1000 EURO/m2.
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A. Baudot, L. Bournay. Integration of MFI Zeolite Membranes in the Light Gasoline Isomerisation Process. Oil & Gas Science and Technology - Revue d'IFP Energies nouvelles, Institut Français du Pétrole (IFP), 2009, 64 (6), pp.759-771. ⟨10.2516/ogst/2009073⟩. ⟨hal-02001593⟩

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