Morphology-Controlled Synthesis of H-type MFI Zeolites with Unique Stacked Structures through a One-Pot Solvent-Free Strategy
Wu, Dan1; Yu, Xing1,3; Chen, Xinqing1,3; Yu, Gan1,2; Zhang, Kun4; Qiu, Minghuang1; Xue, Wenjie1; Yang, Chengguang1; Liu, Ziyu1; Sun, Yuhan1,2,3
2019-07-19
发表期刊CHEMSUSCHEM
ISSN1864-5631
发表状态已发表
DOI10.1002/cssc.201900663
摘要H-type aluminosilicate zeolites are extensively used as solid-acid catalysts and support materials in industrial catalysis. However, the conventional synthesis methods involving hydrothermal syntheses and ion-exchange processes suffer from severe water pollution and toxic gas emissions. Herein, H-type MFI zeolite catalysts with a unique stacked structure were directly synthesized in the presence of NH4F and with the help of zeolite confinement through a solvent-free route without further ion-exchange procedures. A range of ex situ and in situ characterization procedures were used to provide evidence of the simultaneous use of pre-made ZSM-5 and NH4F as a confined Al source and mineralizer, respectively. The confined zeolite framework of ZSM-5 prevented the formation of AlFx species between NH4F and Al atoms, ensuring that the prepared samples had desirable acidic properties. Moreover, the resulting morphology could be controlled by using different silica substrates. The obtained H-type MFI zeolites showed excellent catalytic performance in methanol-to-gasoline reactions owing to their unique structure and directly exposed acidic sites. The developed one-pot strategy provides an alternative method for the facile synthesis of H-type zeolites with defined morphology.
关键词confinement effect ion-exchange free solid-state crystallization solvent-free synthesis zeolites
收录类别SCI ; SCIE ; EI
语种英语
资助项目Strategic Priority Research Program of the Chinese Academy of Sciences[XDA21090204]
WOS研究方向Chemistry ; Science & Technology - Other Topics
WOS类目Chemistry, Multidisciplinary ; Green & Sustainable Science & Technology
WOS记录号WOS:000478225000001
出版者WILEY-V C H VERLAG GMBH
WOS关键词HIERARCHICAL ZSM-5 ; ASSISTED SYNTHESIS ; PROPYLENE REACTION ; SELECTIVE REMOVAL ; HIGHLY EFFICIENT ; PHASE TRANSPORT ; METHANOL ; PERFORMANCE ; CRYSTALS ; HYDROCARBONS
原始文献类型Article ; Early Access
引用统计
文献类型期刊论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/61145
专题物质科学与技术学院_特聘教授组_孙予罕组
物质科学与技术学院_硕士生
通讯作者Chen, Xinqing; Sun, Yuhan
作者单位1.Chinese Acad Sci, CAS Key Lab Low Carbon Convers Sci & Engn, Shanghai Adv Res Inst, Shanghai 201210, Peoples R China
2.Shanghai Tech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.East China Normal Univ, Shanghai Key Lab Green Chem & Chem Proc, Sch Chem & Mol Engn, 3663 North Zhongshan Rd, Shanghai 200062, Peoples R China
通讯作者单位物质科学与技术学院
推荐引用方式
GB/T 7714
Wu, Dan,Yu, Xing,Chen, Xinqing,et al. Morphology-Controlled Synthesis of H-type MFI Zeolites with Unique Stacked Structures through a One-Pot Solvent-Free Strategy[J]. CHEMSUSCHEM,2019.
APA Wu, Dan.,Yu, Xing.,Chen, Xinqing.,Yu, Gan.,Zhang, Kun.,...&Sun, Yuhan.(2019).Morphology-Controlled Synthesis of H-type MFI Zeolites with Unique Stacked Structures through a One-Pot Solvent-Free Strategy.CHEMSUSCHEM.
MLA Wu, Dan,et al."Morphology-Controlled Synthesis of H-type MFI Zeolites with Unique Stacked Structures through a One-Pot Solvent-Free Strategy".CHEMSUSCHEM (2019).
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