物理化学学报 >> 1989, Vol. 5 >> Issue (01): 87-90.doi: 10.3866/PKU.WHXB19890118

研究简报 上一篇    下一篇

NiZSM-5沸石上金属镍的分散性

肖淑勇;孟中岳   

  1. 南京师范大学化学系催化研究室
  • 收稿日期:1987-06-06 修回日期:1988-01-19 发布日期:1989-02-15
  • 通讯作者: 肖淑勇

Dispersion of Metallic Nickel on the ZSM-5 Zeolites

Xiao Shu-Yong;Meng Zhong-Yue   

  1. Laboratory of Catalysis, Department of Chemistry, Nanjing Normal University
  • Received:1987-06-06 Revised:1988-01-19 Published:1989-02-15
  • Contact: Xiao Shu-Yong

Abstract: The morphology, size distribution and crystallography of supported nickel on ZSM-5 zeolites have been studied by electron microscopy. The obtained results are in agree with that given by X-ray diffraction. It was shown by bright and dark field microscopy, selected area diffraction that nickel particles aggregate as approximately spherical in shape having normal crystal structure of the bulk metal (f.e.c.) on the surface of carriers.
Some of the factors which have been found to affect the size distribution and the stability of the metal particles are: the type of support, the content of nickel, and the preparation method. etc.
For the impregnation type sample, the...