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Citation: Zhao Biying, Yao Xiaoqiang, Yang Naifang, Tang Youqi. THE MACROSTRUCTURE CHARACTERISTICS OF ZnO/γ-Al₂O₃ OBTAINED BY IMPREGNATION METHOD[J]. Chinese Journal of Applied Chemistry, ;2016, 4(5): 1-4. shu

THE MACROSTRUCTURE CHARACTERISTICS OF ZnO/γ-Al₂O₃ OBTAINED BY IMPREGNATION METHOD

1.
Institute of Physical Chemistry, Peking University

Corresponding author: Zhao Biying,
Received Date: 6 August 1986
Available Online: 30 December 1986

In this papar, the macrostructure of ZnO/γ-Al₂O₃ samples prepared by impregnation method has been investigated systematically. The pattern of change in crystallite size and in specific surface area of the formed zinc-deficient zinc aluminate (Zn_x Al₂O_3+x 0 < X < 1) has been studied. The original pore structure of γ-Al₂O₃ was found to be roughly retained in Zn_x Al₂O_3+x prepared by impregnation at the temperature used in preparation and operation of catalysts, so by using the impregnation method one can prepare Zn_x Al₂O_3+x of different pore structure to satisfy various demands, Which is hardly realized in coprecipitation method.
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THE MACROSTRUCTURE CHARACTERISTICS OF ZnO/γ-Al₂O₃ OBTAINED BY IMPREGNATION METHOD