Chinese Journal of Catalysis ›› 2010, Vol. 31 ›› Issue (4): 374-376.

• Articles • Previous Articles     Next Articles

Effect of Crystallization of Hydrous Zirconia on the Isomerization Activity of Pt/WO3-ZrO2

ZHANG Juanjuan1, SONG Yueqin1,*, ZHANG Yifei1, ZHOU Xiaolong1, JIN Yaqing1, XU Longya2   

  1. 1Petroleum Processing Research Center, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China 2Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, Liaoning, China
  • Received:2010-04-25 Online:2010-04-25 Published:2013-10-08

Abstract: The crystallization that occurred in the interior of Zr(OH)4 particles under hydrothermal conditions led to high catalytic activity of Pt/WO3-ZrO2, and the crystallization on the surface region of the particles resulted in an inactive catalyst.

Key words: hydrous zirconia, crystallization, platinum, tungstated zirconia, isomerization