燃料化学学报2017,Vol.45Issue(7):828-836,9.
碱处理HZSM-5分子筛在线催化提质生物油
Online upgrading of bio-oil with alkali-treated HZSM-5 zeolites
摘要
Abstract
HZSM-5 zeolite was treated by sodium hydroxide solution, and then characterized by XRD, SEM, BET and Py-FTIR, respectively. Physical and chemical properties and composition analysis was applied to the organic phase of bio-oils. Thermogravimetric analysis was performed on three deactivated catalysts after using for 120 min and the peak area of char was calculated. The results show that the alkali-treated HZSM-5 catalyst retains typical MFI topology structure and forms a certain number of mesoporous. At the same time, the bio-oil organic phase made with modified HZSM-5 ( after 1 h treatment) achieves a higher yield rate and better physical properties. The content of hydrocarbons increases significantly to 37. 67% mainly with the increase of mononuclear aromatics. In addition, modified HZSM-5 catalyst ( after 1 h treatment) has a better effect on the removal of acid, aldehyde and ketone contained in the bio-oil organic phase, which improves stability of the bio-oil with calorific value of 35. 32 MJ/kg. The amount of coke in the HZSM-5 zeolite after 1 h alkali treatment obviously decreases.关键词
生物油/碱处理HZSM-5/催化提质Key words
bio-oil/alkali-treated HZSM-5/catalytic upgrading分类
化学化工引用本文复制引用
张瑾,李小华,董良秀,王嘉骏,刘莎,蔡忆昔,邵珊珊,张小雷,胡超..碱处理HZSM-5分子筛在线催化提质生物油[J].燃料化学学报,2017,45(7):828-836,9.基金项目
The project was supported by the National Natural Science Foundation of China ( 51276085 ) and the Priority Academic Program Development of Jiangsu Higher Education Institutions( PDPA) .国家自然科学基金(51276085)和江苏省高校优势学科建设项目(PDPA)资助 ( 51276085 )