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Acta Physico-Chimica Sinica  2009, Vol. 25 Issue (02): 242-246    DOI: 10.3866/PKU.WHXB20090208
Article     
Vapour Phase ortho-Selective Alkylation of Phenol with Methanol over Fe-Zr Oxide Catalysts
XU Lei; WU Shu-Jie; ZHANG Wen-Xiang; JIA Ming-Jun; LIU Gang
College of Chemistry, Jilin University, Changchun 130021, P. R. China
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Abstract  Fe-Zr oxides with different Zr/Fe molar ratios were prepared by a co-precipitation method and used as catalysts for the vapor phase ortho-selective alkylation of phenol with methanol. Results showed that the Fe-Zr oxide catalysts had relatively high activity and ortho-selectivity. Among them, the sample with nZr/nFe=0.5/100 exhibited the highest activity (99.2% phenol conversion) with a selectivity of 22.6% to o-cresol and 77.0% to 2,6-xylenol. An increase in reaction temperature could further improve selectivity for 2,6-xylenol. The presence of relatively strong acid-base sites may be responsible for the high phenol conversion and the high 2,6-xylenol selectivity.

Key wordsPhenol      Methanol      ortho-Selective alkylation      o-Cresol      2,6-Xylenol     
Received: 25 August 2008      Published: 16 December 2008
MSC2000:  O643  
Corresponding Authors: LIU Gang     E-mail: lgang@jlu.edu.cn
Cite this article:

XU Lei; WU Shu-Jie; ZHANG Wen-Xiang; JIA Ming-Jun; LIU Gang. Vapour Phase ortho-Selective Alkylation of Phenol with Methanol over Fe-Zr Oxide Catalysts. Acta Physico-Chimica Sinica, 2009, 25(02): 242-246.

URL:

http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/10.3866/PKU.WHXB20090208     OR     http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/Y2009/V25/I02/242

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