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Citation: 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, 6(4): 87-90. shu

PREPARATION OF TiO₂-Al₂O₃ BY IMPREGNATION WITH TiCl₄-CCl₄

1.
Institute of Physical Chemistry, Peking University, Beijing

Received Date: 22 August 1988
Available Online: 29 December 1988

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 series samples 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/g γ-Al₂O₃ respectively.It was also verified by, TEM and HEED techniques. The values indicate that TiO₂ is dispersed on the surface of γ-Al₂O₃ as a submonolayer and the monolayer coverage for TiO₂ on γ-Al₂O₃ was 60% as compared by a close packed monolayer model.
- Alumina,
- Titania,
- Hydrogenation catalyst
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PREPARATION OF TiO₂-Al₂O₃ BY IMPREGNATION WITH TiCl₄-CCl₄