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Organic template-free synthesis of ZSM-5/ZSM-11 co-crystalline zeolite
Zhang, Ling1,2; Liu, Shenglin1; Xie, Sujuan1; Xu, Longya1
关键词Zsm-5 Zsm-11 Co-crystalline Zeolite Organic Template-free Synthesis Crystallization
刊名MICROPOROUS AND MESOPOROUS MATERIALS
2012
DOI10.1016/j.micromeso.2011.05.033
147期:1页:117-126
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Applied ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
研究领域[WOS]Chemistry ; Science & Technology - Other Topics ; Materials Science
关键词[WOS]STRUCTURE-DIRECTING AGENTS ; SILICA SOURCE ; ZSM-5 ; ABSENCE ; ETHYLBENZENE ; INTERGROWTH ; FERRIERITE ; ALKYLATION ; MORPHOLOGY ; CATALYSTS
英文摘要A series of ZSM-5/ZSM-11 co-crystalline zeolites with various compositions and morphologies were successfully synthesized via an organic template-free hydrothermal route and characterized by XRD, XRF, SEM, NMR and N-2 adsorption/desorption technologies. The effects of raw materials and batch composition were investigated systematically. Various silicon sources can be employed in the organic template-free synthesis of ZSM-5/ZSM-11 co-crystalline zeolite, however only a few types of aluminum sources are available. This organic template-free system is favorable to the aluminum-rich zeolite. With the increase of initial SiO2/Al2O3 ratio, the ZSM-5 percentage in the ZSM-5/ZSM-11 co-crystalline zeolite increases as well as the crystal size, and especially the morphology of ZSM-5/ZSM-11 co-crystalline zeolite prepared from the colloidal silica-NaAlO2 solution system changes gradually from nano-rod aggregation, micro-spindle to single hexagon and then to twinned hexagon crystals. Moreover, Na+ and OH- in the initial materials can promote the nucleation of the ZSM-5/ZSM-11 co-crystalline zeolite significantly and are beneficial to the formation of crystals with relatively low length/width ratio, while K+ postpones the crystallization process seriously. (C) 2011 Elsevier Inc. All rights reserved.
语种英语
WOS记录号WOS:000295906200016
引用统计
被引频次:29[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/143125
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
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GB/T 7714
Zhang, Ling,Liu, Shenglin,Xie, Sujuan,et al. Organic template-free synthesis of ZSM-5/ZSM-11 co-crystalline zeolite[J]. MICROPOROUS AND MESOPOROUS MATERIALS,2012,147(1):117-126.
APA Zhang, Ling,Liu, Shenglin,Xie, Sujuan,&Xu, Longya.(2012).Organic template-free synthesis of ZSM-5/ZSM-11 co-crystalline zeolite.MICROPOROUS AND MESOPOROUS MATERIALS,147(1),117-126.
MLA Zhang, Ling,et al."Organic template-free synthesis of ZSM-5/ZSM-11 co-crystalline zeolite".MICROPOROUS AND MESOPOROUS MATERIALS 147.1(2012):117-126.
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