首页 | 本学科首页   官方微博 | 高级检索  
     

新型层状粘土结构F-T合成催化剂的研制
引用本文:陈宜俍,张广瑞,凡俊琳,郭士岭,李卫利,胡利强.新型层状粘土结构F-T合成催化剂的研制[J].工业催化,2008,16(7):12.
作者姓名:陈宜俍  张广瑞  凡俊琳  郭士岭  李卫利  胡利强
作者单位:郑州大学化工学院,河南 郑州 450001
基金项目:河南省科技厅科技攻关项目
摘    要:用FeCl3·6H2O和Na2SiO3水玻璃共沉淀法制备蒙脱土结构的新型F-T合成催化剂。用XRD、SEM和N2低温吸附-脱附等方法对催化剂的物相结构进行测定,确认催化剂具有层状结构并有较高的比表面积。催化剂经过预处理,F-T合成在浆态床反应器中进行,反应条件:270 ℃,0.5 MPa,气流量34.5 mL·min-1,n(H2)∶n(CO)=2∶1,反应时间6 h。产物分析得知,C9~C25烃类的选择性达到90%以上,使ASF分布规律发生正偏移。

关 键 词:催化化学  层状粘土催化剂  F-T合成  柴油  产物分布  碳数分布  

Synthesis and characterization of a new F-T synthesis catalyst with montmorillonite structure
CHEN Yiliang,ZHANG Guangrui,FAN Junlin,GUO Shiling,LI Weili,HU Liqiang.Synthesis and characterization of a new F-T synthesis catalyst with montmorillonite structure[J].Industrial Catalysis,2008,16(7):12.
Authors:CHEN Yiliang  ZHANG Guangrui  FAN Junlin  GUO Shiling  LI Weili  HU Liqiang
Affiliation:School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, Henan, China
Abstract:A new catalyst with montmorillonite structure was prepared by co-precipitation of FeCl3·6H2O and Na2SiO3. The structure of the catalyst was studied by XRD, SEM and N2 adsorption-desorption. The results indicated that the catalyst had laminar structure and high specific surface area. The catalyst was used in F-T synthesis in a slurry bed reactor under the following condition: 270 ℃,0.5 MPa, LHSV of 1.0 L·(g·h)-1,n(H2)∶n(CO)=2∶1, reaction time 6 h. The selectivity to C9-C25 hydrocarbons of over 90% was obtained, with positive deviation from ASF distribution.
Keywords:laminar clay catalyst  F-T synthesis  diesel oil  product distribution  carbon number distribution  catalytic chemistry  
本文献已被 维普 万方数据 等数据库收录!
点击此处可从《工业催化》浏览原始摘要信息
点击此处可从《工业催化》下载全文
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号