Abstract
Silicalite-2 can be synthesized with n-butylamine as an organic template in the system n-butylamine-Na 2O-SiO 2-H 2O and is impregnated withf Fe as carbon monoxide hydrogenation catalyst having high C 2C 4 olefins selectivity. The composition of the synthesis mixture was varied in a wide range. The influence of the parameters on crystallization and catalysis was examined by X-ray powder diffraction and synthesis gas reaction. The synthesis and catalytic properties of silicalite-2 with 1, 6-diaminohexane and TEAOH as organic templates have also been reported. The results presented indicate that silicalite-2 prepared with n-butylamine and at pH 12.5 by a two-step method possesses good catalytic characteristics in the direct conversion of synthesis gas to light olefins.
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