Biomass tar is the bottleneck which impedes the biomass hot chemical technology development.Only through a complete and exact understanding of features and characteristics of tar,can researchers choose the appropriate removal methods.This thesis first introduces the features of biomass tar,secondly classifies the tar and finally presents the removal methods of tar at home and abroad,which provides reference for further research.%生物质焦油是阻碍生物质热化学转化技术发展的瓶颈问题。只有全面正确的了解焦油的性质和特点,才能选择最合适的去除方法。介绍生物质焦油的特性,并将焦油的成分分类,最后介绍了目前国内外去除焦油的方法,为进一步研究提供参考。
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