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Lanthanum-containing Y (LaY) zeolites were prepared by ionic exchange from NaY parent zeolite. The LaY zeolites were de-aluminated by steaming. De-aluminated zeolites presented different Si/Al ratio. The physicochemical properties of these catalysts were characterized by X-ray diffraction, pyridine and xenon adsorption, infrared spectroscopy and 29Si, 27Al, 129Xe, 139La solid-state nuclear magnetic...
Fe-ZSM5 catalysts were prepared at room temperature. Iron was incorporated into H-ZSM5 in organic media (toluene) using iron acetyl acetonate. In order to elucidate the catalytic performance of this Fe-ZSM5, reference catalysts were prepared by chemical vapour deposition (CVD) and impregnation in aqueous media (IMW). The various catalysts were characterized structurally and morphologically. Materials...
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