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Citation: LI Chuan-Run, FENG Yi-Si, YANG Qing-Hua, LI Jia-Ming, HUANG Peng. Preparation of Mesoporous Alumina Supported KF Catalyst and Its Catalytic Performance for O-Alkylation Reaction of p,p'-Biphenol[J]. Chinese Journal of Applied Chemistry, ;2008, 25(5): 596-600. shu

Preparation of Mesoporous Alumina Supported KF Catalyst and Its Catalytic Performance for O-Alkylation Reaction of p,p'-Biphenol

1.
a College of Chemical Engineering, Hefei University of Technology, Hefei 230009;
2.
b College of Pharmaceutics, Anhui College of TCM, Hefei

Corresponding author: FENG Yi-Si,
Received Date: 28 May 2007
Available Online: 15 August 2007
Fund Project: 校院士基金项目(YSHG04007) (YSHG04007)

Mesoporous alumina (MA) was prepared by a neutral synthesis route.Catalysts (KF/MA) were prepared with MA as support for deposition of potassium fluoride via impregnation.The samples of supports and catalysts were characterized by XRD,N₂ adsorption,TEM,FTIR and Hammett titration.The mesoporous alumina samples synthesized by neutral pathway exhibited a wormhole channel motif,and the surface area was 375 m²/g,and the average pore size was 7.1 nm,and the catalyst possessed a 36.7% KF loading and a basic intensity over 18.4 and a basicity of 3.64 mmol/g.The KF/MA catalysts were employed as highly active/selective catalysts for the O-alkylation reaction of p,p'-biphenol.The results indicated that the catalytic activity was influenced strongly by the support.The catalytic activity of KF/MA was better than that of KF/γ-Al₂O₃.
- mesoporous alumina,
- KF,
- catalysis,
- solid base,
- O-alkylation
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