The effect of high temperature steam treatment on the surface property and the catalytic activity of HZSM-5 zeolite has been studied by TPD, ESCA/SAM, vacuum weight adsorption of n-hexane and cyclohexane as well as cracking reaction of n-hexane.

• 采用程序升温脱附(TPD)、真空重量吸附、ESCA和正己烷的裂化反应研究了水热处理对ZSM-5沸石表面性质及催化性能的影响。