| 以混合黏土原位合成多级孔道ZSM-5分子筛 |
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| 引用本文： | 何理均,郑淑琴,任劭,张建策,余红霞. 以混合黏土原位合成多级孔道ZSM-5分子筛[J]. 石油学报(石油加工), 2018, 34(1): 123-127. DOI: 10.3969/j.issn.1001-8719.2018.01.017 |
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| 作者姓名： | 何理均 郑淑琴 任劭 张建策 余红霞 |
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| 作者单位： | 湖南理工学院 化学化工学院，湖南 岳阳 414006 |
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| 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 |
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| 摘 要： | 以高岭土和硅藻土混合黏土作为研究对象，利用原位晶化技术和孔道控制技术，合成了具有多级孔道的ZSM 5分子筛。采用粉末X射线衍射法（XRD）、N2静态吸附 脱附法、电子扫描电镜（SEM）、红外光谱（FT IR）和热重 差热（TG DTA）对所合成的样品进行分析表征。结果表明，原位晶化技术所合成的ZSM 5分子筛结晶度为53%，晶粒大小约为2 μm，且含有中大孔结构和较大的比表面积及孔体积，具有高的热稳定性。
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| 关 键 词： | 混合黏土 原位晶化 多级孔道 ZSM-5分子筛 |
| 收稿时间： | 2017-04-01 |
Synthesis of Hierarchical ZSM-5 Zeolite From Mixed Clay by in-situ Crystallization Method |
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| HE Lijun,ZHENG Shuqin,REN Shao,ZHANG Jiance,YU Hongxia. Synthesis of Hierarchical ZSM-5 Zeolite From Mixed Clay by in-situ Crystallization Method[J]. Acta Petrolei Sinica (Petroleum Processing Section), 2018, 34(1): 123-127. DOI: 10.3969/j.issn.1001-8719.2018.01.017 |
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| Authors: | HE Lijun ZHENG Shuqin REN Shao ZHANG Jiance YU Hongxia |
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| Affiliation: | Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China |
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| Abstract: | Hierarchical ZSM 5 zeolite was synthesized by using in situ crystallization and porous control technologies using Kaolin and diatomite as raw materials. The synthesized samples were characterized by X ray diffraction (XRD), N2 adsorption desorption, scanning electron microscope (SEM), Fourier transform infrared spectroscopy (FT IR), and thermo gravimetric differential thermal analysis (TG DTA). The results show that the synthesized samplies of 53% relative crystallinity, with grain size about 2 μm and widepore structure. Furthermore, it exhibits large specific surface area and pore volume as well as high hydrothermal stability. |
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| Keywords: | mixed clay in-situ crystallization hierarchical porous ZSM-5 zeolite |
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