Abstract: Biomass gasification in supercritical water is a new technology dealing with biomass energy，which has attracted increasing attention due to high energy utilization efficiency and no pollution. This review summarizes the studies on biomass gasification in supercritical water together with the analysis of influencing factors for the reaction，such as temperature，pressure，concentration，residence time and catalysts etc. Methods to improve economical efficiency were obtained by evaluation analysis of the technology and gas products utilization .

摘要： 超临界水气化生物质技术是一种新兴的利用生物质能的方法，由于其较高的能量利用率和环保特性，正日益受到人们的重视。本文综述了国内外对于超临界水气化生物质的研究，分析总结了温度、压力、浓度、停留时间、催化剂等因素对反应影响的一般性规律。通过对各国研究者有关超临界水气化生物质技术经济性评价的综合，指出了提高经济性需要努力的方向，并提出了气体产物的利用方式，对该技术的进一步发展和应用有较好的指导意义。