Acta Chimica Sinica ›› 2012, Vol. 0 ›› Issue (04): 423-428.DOI: 10.6023/A1106151 Previous Articles     Next Articles

Full Papers

多级孔结构WO3/ZrO2 固体酸催化剂的烷基化催化性能研究

陈崇城a,b, 陈航榕b, 叶争青b, 施剑林b, 俞建长a   

  1. a 福州大学材料学院 福州 350108;
    b 中国科学院上海硅酸盐研究所 上海 200050
  • 投稿日期:2011-06-15 修回日期:2011-09-25 发布日期:2011-10-24
  • 通讯作者: 陈航榕, 俞建长
  • 基金资助:

    国家自然科学基金(No. 50872140)资助项目.

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

Chen Chongchenga,b, Chen Hangrongb, Ye Zhengqingb, Shi Jianlinb, Yu Jianchanga   

  1. a College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108;
    b Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050
  • Received:2011-06-15 Revised:2011-09-25 Published:2011-10-24
  • Supported by:

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

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