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Acta Chimica Sinica >

2012 , Vol. 0 >Issue 04: 423 - 428

DOI: https://doi.org/10.6023/A1106151

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Alkylation Catalysis over the WO3/ZrO2 Solid Acid Catalyst with Hierarchically Porous Structure

  • Chen Chongcheng ,
  • Chen Hangrong ,
  • Ye Zhengqing ,
  • Shi Jianlin ,
  • Yu Jianchang
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  • a College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108;
    b Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050

Received date: 2011-06-15

  Revised date: 2011-09-25

  Online published: 2011-10-24

Supported by

Project supported by National Natural Science Foundation of China (No. 50872140).

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Abstract

Series of WO3/ZrO2 solid acid catalysts with hierarchically porous structure were prepared by the one-pot hydrothermal method involving templating from a composite surfactant. The effect of calcination temperatures of the prepared catalysts on the acid strength was studied as well as the total amount of acidity. The reaction of benzene alkylation with 1-dodecene was chosen as model acid catalysis. The results indicated that the acid strength and the total amount of acidity of the prepared catalysts increased with increasing of surface area and crystallization of t-ZrO2. Such catalyst shows a strong catalytic activity of the alkylation, and both the alkylation conversion and selectivity increase with acid strength. Herein, the catalyst sample calcined at 450 ℃ for 5 h has the highest catalytic activity and selectivity.

Key words： tungsten oxide; zirconia; hierarchically porous; solid acid; alkylation; selectivity

Cite this article

Chen Chongcheng , Chen Hangrong , Ye Zhengqing , Shi Jianlin , Yu Jianchang . Alkylation Catalysis over the WO3/ZrO2 Solid Acid Catalyst with Hierarchically Porous Structure[J]. Acta Chimica Sinica, 2012 , 0(04) : 423 -428 . DOI: 10.6023/A1106151

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