Abstract
Biomass can be converted into a variety of fuels and chemicals using different technologies. One such process is fast pyrolysis, which is convenient for the conversion of biomass primarily into liquid products known as bio-oils. These bio-oils, however, must be upgraded if they are to be used as a replacement for diesel and gasoline fuels. At present, when improving the quality of bio-oils, catalytic vapor cracking is generally considered superior to other catalytic upgrading technologies, such as hydrotreating and esterification. This review summarizes the current status of research concerning both the catalytic pyrolysis of biomass and the catalytic cracking of bio-oil using the zeolite HZSM-5, focusing on the specific catalysts employed, as well as the upgrading methods and reaction mechanisms. 概述了近期的HZSM-5对生物质和生物油催化裂解的研究进展，重点介绍了催化剂的应用、生物油提质的方法和反应机理. This review summarizes recent research regarding the catalytic pyrolysis of biomass and the catalytic cracking of bio-oils using HZSM-5 and related catalysts, and also provides a synopsis of potential future development of catalysts and processes in this area.
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