PREPARATION OF TiO2-Al2O3 BY IMPREGNATION WITH TiCl4-CCl4

Chinese Journal of Applied Chemistry ›› 1989, Vol. 0 ›› Issue (4): 87-90.

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PREPARATION OF TiO₂-Al₂O₃ BY IMPREGNATION WITH TiCl₄-CCl₄

Liu Yingjun, Zhang Qinpei, Zhu Yongfa, Gui Linlin, Tang Youqi

Institute of Physical Chemistry, Peking University, Beijing

Received:1988-08-22 Revised:1988-12-29 Published:1989-08-10 Online:1989-08-10

Abstract

Abstract: Catalyst carrier TiO₂-Al₂O₃ was prepared through impregnating γ-Al₂O₃ with TiCl₄-CCl₄ (or TiCl₄-CH₃COCH₃) solution, followed by calcination at 550℃ for 24 hrs.The seriessamples of TiO₂-Al₂O₃ with different TiO₂ loading have been characterized by XRD,XPS, TEM and HEED techniques. The maximum dispersion capacities for TiO₂ on γ-Al₂O₃ were found by XRD and XPS to be 0.12g TiO₂/g γ-Al₂O₃ and 0.11g TiO₂/gγ-Al₂O₃respectively.It was also verified by, TEM and HEED techniques. The values indicate thatTiO₂ is dispersed on the surface of γ-Al₂O₃ as a submonolayer and the monolayer coveragefor TiO₂ on γ-Al₂O₃ was 60% as compared by a close packed monolayer model.

Key words: Alumina, Titania, Hydrogenation catalyst

Liu Yingjun, Zhang Qinpei, Zhu Yongfa, Gui Linlin, Tang Youqi. PREPARATION OF TiO₂-Al₂O₃ BY IMPREGNATION WITH TiCl₄-CCl₄[J]. Chinese Journal of Applied Chemistry, 1989, 0(4): 87-90.

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PREPARATION OF TiO₂-Al₂O₃ BY IMPREGNATION WITH TiCl₄-CCl₄

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