燃料化学学报2016,Vol.44Issue(5):540-547,8.
基于Fe负载的HZSM-5催化热解制备生物油实验研究
Experimental study on bio-oil from catalytic pyrolysis on Fe modified HZSM-5
摘要
Abstract
The 2% Fe modified HZSM-5 zeolite catalysts were prepared by ion-exchange and characterized by laser particle size analyzer, specific surface area and pore size analyzer, and X-ray diffraction ( XRD ) to investigate the pore and surface properties. The catalytic pyrolysis of wood was carried out at 550℃ to get the maximum oil yield. After pyrolysis, the bio-oil was separated to the lighter ( upper layer ) and heavier component ( bottom layer ) . The results indicate that with Fe modified HZSM-5 catalysts, the bio-oil yield increases significantly ( maximum 7%) the same as that of the lighter one, while the heavier one is nearly constant. Ketones and furans in the lighter oil decreases, while acids and phenols increase significantly; in the heavier oil, ketones and furans decreased dramatically, phenols and naphthalenes increase significantly. The Fe modified HZSM-5 catalysts play an important role in pyrolysis of wood dusts, and have a critical influence on oil yield because the modified catalysts promote the shape-selective modifying of the initial pyrolysis steam and inhibit the secondary coking reaction of steam. The product tends to much lighter bio-oil component and lower oxygen content.关键词
Fe负载/HZSM-5/催化热解/生物油Key words
Fe modified/HZSM-5/catalytic pyrolysis/bio-oil分类
能源科技引用本文复制引用
李缔,李攀,王贤华,邵敬爱,杨海平,陈汉平..基于Fe负载的HZSM-5催化热解制备生物油实验研究[J].燃料化学学报,2016,44(5):540-547,8.基金项目
The project was supported by the National Natural Science Foundation of China (51376075), the Major State Basic Research Development Program of China (973 program,2013CB228102), Special Fund for Agro-Scientific Research in the Public Interest(201303095) and the Fundamental Research Funds for the Central Universities.国家自然科学基金(51376075),国家重点基础研究发展规划(973计划,2013CB228102),公益性行业(农业)科研专项(201303095)和中央高校基本科研业务费项目资助 (51376075)