Abstract
Simultaneous removal of SO x and vanadium under simulated fluid catalytic cracking (FCC) regenerator conditions was studied over mixed oxide traps of Ti–Al–Mg doped with La. These materials were prepared by the sol–gel method and characterized by DTA/DTG, X-ray diffraction (XRD), N 2 adsorption–desorption, SEM–EDX and UV–vis–DRS. The capacity of the traps was determined by means of a thermogravimetric study for SO x removal and V capture hydrothermal tests followed by chemical analysis for vanadium trapping. The traps performance results under simulated FCC conditions show that these traps exhibit an excellent performance for SO x removal with the presence of vanadium compounds, and high V capacity in presence of sulphated compounds.
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