木质纤维素的超临界二氧化碳预处理技术

以木质纤维素为原料制备燃料乙醇是可再生能源发展的重要方向，预处理技术则是木质纤维素水解为可发酵糖工艺的关键步骤。超临界二氧化碳预处理是一种清洁高效的新方法，日益受到重视。文中总结了近十五年来国际上在此领域的研究成果，主要包括：涉及到的生物质种类、对应的操作条件和相关度、特色研究结果、对作用机理的认识等。在此基础上，指出了今后应该继续探索的方向和亟需解决的关键问题。

Supercritical carbon dioxide pretreatment technology of lignocellulose

Fuel ethanol made from lignocellulose is an important direction for the development of renewable energy, and pretreatment technology is the critical step to the process of lignocellulose hydrolyzing to fermentable sugar.Su-percritical carbon dioxide pretreatment is a new clean and efficient method, and is attracting more and more atten-tion.This paper summarizes the international research achievements in the field in recent fifteen years, including active research groups, biomass types, corresponding operating conditions and relevance, characteristic research re-sults, understandings of the action mechanism, etc.On this basis, the direction needed to be explored and the key issues are pointed out.