随着能源危机的日益严重,开发能够代替化石能源的可再生清洁能源已成为研究热点。燃料乙醇是一种很有应用潜力的替代能源,利用生物质合成气发酵是一种生产燃料乙醇的新技术。文章对该技术的生产工艺优势、生物质气化技术发展现状、生物质合成气发酵生产乙醇微生物、发酵基本过程和代谢机理及产业化进展进行了阐述,并提出了该领域面临的问题和建议。

With the energy crisis growing worse,the development of renewable clean energy as alternative for fossil energy has been a major focus in scientific research.Fuel ethanol is one alternative energy source that has great potential.Fermentation of biomass-derived syngas into fuel ethanol is a new technology.In this article,advantages of the technology,the current situation of biomass gasification,microorganism of fermenting biomass-derived syngas into ethanol,the basic process and metabolic mechanism of the fermentation and industrialization are reviewed.The potential problems and suggestion in this area are also proposed.