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高岭土/二甲基亚砜插层物合成ZSM-5沸石及表征
引用本文:张培青,刘思成,何理均 郑淑琴,任劭. 高岭土/二甲基亚砜插层物合成ZSM-5沸石及表征[J]. 石油学报(石油加工), 2019, 35(3): 473-478. DOI: 10.3969/j.issn.1001-8719.2019.03.006
作者姓名:张培青  刘思成  何理均 郑淑琴  任劭
作者单位:湖南理工学院 化学化工学院, 湖南 岳阳 414000
基金项目:国家自然科学基金项目(21371055)、湖南省高校创新平台开放基金项目(15K049)和湖南省研究生创新项目(CX2017B766)资助
摘    要:引入高岭土/二甲基亚砜插层物(KDC)在水热合成体系下制备ZSM-5沸石复合材料。考察了KDC不同加入量对合成ZSM-5沸石分子筛的影响。采用粉末X射线衍射法、红外光谱(FT-IR)、热重 差热(TG-DTA)、N2静态吸附法、电子扫描电镜和透射电镜对合成的ZSM-5分子筛进行分析表征。结果表明,在合成体系中加入KDC合成的ZSM 5沸石分子筛物相单一,当KDC的加入质量分数为6%时,其相对结晶度达到55%,热稳定性较好,粒径约为5 μm,BET比表面积和孔径分别达到了199 m2/g和6.6 nm,具有介孔结构。

关 键 词:二甲基亚砜(DMSO)  高岭土  插层复合物  ZSM-5沸石  
收稿时间:2018-04-04

Characterization of ZSM-5 Zeolite Synthesized From Kaolin/Dimethylsulfoxide Intercalation Composite
ZHANG Peiqing,LIU Sicheng,HE Lijun,ZHENG Shuqin,REN Shao. Characterization of ZSM-5 Zeolite Synthesized From Kaolin/Dimethylsulfoxide Intercalation Composite[J]. Acta Petrolei Sinica (Petroleum Processing Section), 2019, 35(3): 473-478. DOI: 10.3969/j.issn.1001-8719.2019.03.006
Authors:ZHANG Peiqing  LIU Sicheng  HE Lijun  ZHENG Shuqin  REN Shao
Affiliation:Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414000, China
Abstract:In this paper, the ZSM-5 zeolite composites were synthesized from Kaolin/dimethylsulfoxide intercalation composite (KDC) by an in-situ hydrothermal crystallization method. The effects of different contents of KDC on the synthesis behavior of the ZSM-5 zeolite were investigated. These synthesized samples were characterized by X-ray diffraction, FT-IR, TG-DTA, N2 adsorption-desorption, SEM and TEM, respectively. Results show that highly crystalline ZSM-5 zeolite can be synthesized by using KDC as raw material. When the mass fraction of KDC is 6%, the highest crystallinity and thermal stability of ZSM-5 zeolite are obtained, with particle diameter of 5 μm, BET specific surface area of 199 m2/g and mesopore size of 6.6 nm, respectively.
Keywords:Dimethylsulfoxide (DMSO) ;Kaolin  intercalation composite  ZSM-5 zeolite  
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