第二代生物乙醇制备研究进展

Research Progress of the Preparation of Second-generation Bioethanol

关键词:  第二代生物乙醇  制备  预处理  发酵

Key Words:second-generation bioethanol  preparation  pretreatment  fermentation

摘要:利用发酵技术制备的生物乙醇具有高氧含量，燃烧清洁，并能降低有毒物质排放量的优点。本文综述了第二代生物乙醇制备过程中的原料优势，预处理和2种水解方式的优缺点，发酵过程中常用的酵母种类及其作用范围，以及对不同原料采用不同预处理和发酵的组合方式进行制备第二代生物乙醇的流程。

Abstract:Bioethanol prepared by fermentation technology has the properties of high oxygen content， combustion cleaner， and reducing the emission of toxic substances. The advantages of raw materials， advantages and disadvantages of pretreatment and two hydrolysis methods， the kinds of yeasts commonly used in the fermentation process and their scope of action， as well as the process of preparing second-generation bioethanol with different raw materials using different combinations of pretreatment and fermentation were summarized in this paper.