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超临界水气化生物质制备可燃气体技术是近年来发展的新兴能源转换技术,具有高效环保、可充分利用可再生资源等技术优点,因此被认为是最有前途的技术之一,国内外学者对该项技术进行了大量深入广泛的研究。本文重点综述了生物质中纤维素、半纤维素和木质素三大组分及其模型化合物在亚、超临界水中关于反应路径、机理、中间产物等的最新研究进展。此外,还对生物质及其模型化合物超临界水共气化间存在的相互作用进行了简要介绍,并对此技术将来的重点研究方向进行了展望。
Supercritical water gasification of biomass Preparation of combustible gas technology is the emerging energy conversion technology developed in recent years, with high efficiency and environmental protection, make full use of renewable resources and other technical advantages, it is considered one of the most promising technology, scholars at home and abroad There has been a great deal of in-depth and extensive research on this technology. This review focuses on recent advances in the research on reaction pathways, mechanisms, intermediates, etc. of three major components of cellulose, hemicellulose and lignin in biomass as well as their model compounds in sub-and supercritical waters. In addition, the interaction between biomass and its model compound supercritical water gasification is briefly introduced, and the future research directions of the technology are also prospected.