生物质气化过程焦油裂解脱除技术  

Tar Cracking Removal Technology in Biomass Gasification Process

作　　者：姚锡文[1] 刘清华 周浩东 许开立[1] YAO Xi-wen;LIU Qing-hua;ZHOU Hao-dong;XU Kai-li(School of Resources&Civil Engineering,Northeastern University,Shenyang 110819,China)

机构地区：[1]东北大学资源与土木工程学院,辽宁沈阳110819

出　　处：《东北大学学报（自然科学版）》2024年第6期890-896,共7页Journal of Northeastern University(Natural Science)

基　　金：国家自然科学基金资助项目(52004055);辽宁省自然科学基金资助项目(2021-MS-103)。

摘　　要：为了明晰近年来生物质气化焦油裂解脱除技术的研究现状,针对生物质气化过程中焦油的产生机理及其热化学脱除等问题,采用文献研究、归纳总结和对比分析等方法对不同生物质气化炉气化技术及控制焦油原始排放方面的特点等进行了综述研究,分析了焦油热裂解脱除技术和催化裂解技术的发展,对比分析了不同焦油裂解催化剂的优缺点,指明了目前催化剂发展的主要方向,并指出将焦油催化裂解和物理脱除等方法集成到一起,如焦油催化裂解、重整、气液分离、电捕焦油等,是实现生物质气化工艺优化的一条有效途径.In order to grasp the research status and development of tar cracking technology during biomass gasification in recent years and aim at the production mechanism and thermochemical removal of tar during biomass gasification process,this study reviewed the characteristics of the gasification technology of different biomass gasifiers together with the characteristics of controlling the original emission of tar by means of literature research,summary and comparative analysis.The development of tar thermal cracking and catalytic cracking technology was analyzed,and the advantages and disadvantages of different tar cracking catalysts were compared and analyzed.The main direction of catalyst development was pointed out.The integration of tar catalytic cracking and physical removal(such as tar catalytic cracking,reforming,gas-liquid separation and electric tar capture)would be an effective approach to optimize the biomass gasification process.

关 键 词：生物质气化 焦油 热裂解 催化裂解 燃气净化 

分 类 号：TK6[动力工程及工程热物理—生物能]