| 晶化条件对Mo-ZSM-5分子筛粒径的影响 |
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| 引用本文： | 张海荣,次超,李哲,黄伟.晶化条件对Mo-ZSM-5分子筛粒径的影响[J].工业催化,2017,25(4):23. |
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| 作者姓名： | 张海荣 次超 李哲 黄伟 |
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| 作者单位： | 1.山西大同大学化学与化工学院，山西 大同 037009；2.太原理工大学煤科学与技术重点实验室，山西 太原 030024 |
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| 基金项目： | 国家自然科学基金项目(51303098,21477069,21506120);大同市科技攻关项目(2015021)；山西大同大学博士启动基金（QD201049） |
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| 摘 要： | 采用静态水热法在n(SiO_2)∶n(NH4)2Mo O4]∶n(四丙基氢氧化铵)∶n(H2O)=40∶1∶6∶y体系中,合成Mo-ZSM-5杂原子分子筛,并考察水用量、晶化温度和晶化时间对其粒径的影响。结果表明,在晶化温度170℃和晶化时间24 h下,当投料n(SiO_2)∶n(Mo)=40和n(H2O)∶n(Mo)=200得到晶粒大小为(10~30)nm的Mo-ZSM-5分子筛。降低晶化温度和延长晶化时间,有利于杂原子Mo进入ZSM-5分子筛骨架。
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| 关 键 词： | 催化剂工程 Mo-ZSM-5分子筛 粒径 晶化条件 |
Influence of crystallization conditions on the particle size of Mo-ZSM-5 zeolite |
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| Zhang Hairong,Ci Chao,Li Zhe,Huang Wei.Influence of crystallization conditions on the particle size of Mo-ZSM-5 zeolite[J].Industrial Catalysis,2017,25(4):23. |
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| Authors: | Zhang Hairong Ci Chao Li Zhe Huang Wei |
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| Affiliation: | 1.School of Chemistry & Chemical Engineering,Shanxi Datong University,Datong 037009，Shanxi,China； 2.Key laboratory of Coal Science and Technology of Ministry of Education and Shanxi Province，Taiyuan University of Technology,Taiyuan 030024,Shanxi,China |
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| Abstract: | Nanosized Mo-ZSM-5 zeolite was synthesized by static hydrothermal method in the system with n(SiO2)∶n［(NH4)2MoO4］∶n(Tetrapropylammonium hydroxide)∶n(H2O)=40∶1∶6∶y.The influence of water amounts,crystallization temperatures and time on the particle sizes of Mo-ZSM-5 zeolite was investigated.The results showed that under the condition of n(SiO2)∶n(Mo)=40,n(H2O)∶n(Mo)=200,crystallization temperature 170 ℃ and crystallization time 24 h,Mo-ZSM-5 zeolite with the particle size range of (10-30) nm was obtained.Reducing the crystallization temperature and prolonging the crystallization time were favorable to the heteroatom Mo entering the skeleton of ZSM-5 zeolite. |
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| Keywords: | catalyst engineering Mo-ZSM-5 zeolite particle size crystallization condition |
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