催化学报

催化学报 ›› 2011, Vol. 32 ›› Issue (4): 647-651.DOI: 10.3724/SP.J.1088.2011.01203

• 研究论文 • 上一篇    下一篇

多级孔WO3/ZrO2 固体酸催化剂的制备与表征

陈崇城 1,2, 陈航榕 1,a, 俞建长 2,b, 叶争青 1, 施剑林 1   

  1. 1中国科学院上海硅酸盐研究所, 上海 200050 2福州大学材料学院, 福建福州 350108
  • 收稿日期:2010-12-12 修回日期:2011-01-29 出版日期:2011-04-18 发布日期:2014-08-30

Synthesis and Characterization of WO3/ZrO2 Solid Acid Catalyst with Hierarchically Porous Structure

CHEN Chongcheng1,2, CHEN Hangrong1,a, YU Jianchang2,b, YE Zhengqing1, SHI Jianlin1   

  1. 1Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China 2College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, Fujian, China
  • Received:2010-12-12 Revised:2011-01-29 Online:2011-04-18 Published:2014-08-30

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摘要： 氧化钨; 氧化锆; 多级孔; 固体超强酸; 乙酸; 正丁醇; 酯化; 乙酸乙酯; 重复使用性

关键词: 氧化钨, 氧化锆, 多级孔, 固体超强酸, 乙酸, 正丁醇, 酯化, 乙酸乙酯, 重复使用性

Abstract: WO3/ZrO2 solid acid catalyst with hierarchically porous structure was prepared by the one-pot hydrothermal method involving templating from a composite surfactant. The catalyst samples were characterized by X-ray diffraction, N2 adsorption-desorption, Raman spectroscopy and NH3 temperature-programmed desorption. The results indicated that WO3 doping significantly increased the BET surface area and provided more surface acid centers. The esterification of acetic acid and butanol showed that the hierarchically porous WO3/ZrO2 solid acid catalyst has excellent catalytic activity and reusability. The 20% WO3/ZrO2 sample calcined at 550 oC for 5 h has the highest catalytic activity.

Key words: tungsten oxide, zirconia, hierarchical pore, solid superacid, acetic acid, n-butanol, esterification, butyl acetate, reusability