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Oriented control of Al locations in the framework of Al-Ge-ITQ-13 for catalyzing methanol conversion to propene
Li, Liping1,2; Chen, Yanyan1; Xu, Shutao3; Li, Junfen1; Dong, Mei1; Liu, Zhongwen4; Jiao, Haijun1; Wang, Jianguo1; Fan, Weibin1
关键词Al-ge-itq-13 Framework Al Distribution Methanol-to-propene Process Oriented Control Zeolite Synthesis
刊名JOURNAL OF CATALYSIS
2016-12-01
DOI10.1016/j.jcat.2016.09.007
344页:242-251
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Engineering, Chemical
研究领域[WOS]Chemistry ; Engineering
关键词[WOS]ZEOLITE STRUCTURE ITQ-13 ; PRODUCT SELECTIVITY ; CATALYSIS ; HYDROCARBONS ; MOLECULES ; SAPO-34 ; OLEFINS ; NMR ; TRANSFORMATION ; GASIFICATION
英文摘要Locations of Al in the Al-Ge-ITQ-13 framework were regulated by adding different amounts of Ge and AI for the purpose of developing a potential methanol-to-propene catalyst. Ge had no significant influence on acid site number, strength, and type, but influenced acid site distribution and catalytic properties. The Al sited at T2, T5, and particularly T9 sites rapidly deactivated Al-Ge-ITQ-13, but attempts to locate AI at T3 and T6 by adjusting Ge and Al content remarkably increased its catalytic life and propene selectivity, by 686% and 44% respectively. A simple method for roughly estimating the great effects of acid site distribution and density on the catalytic life was developed by measuring the intensity of Al-27 MAS NMR signal around 51.4-53.4 ppm, even though changes in acid site density are always accompanied by alterations of acid site distribution. The hydrothermal treatment of Al-Ge-ITQ-13 confirms its potential for use in industry. (C) 2016 Elsevier Inc. All rights reserved.
语种英语
WOS记录号WOS:000390182800025
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/151821
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Inst Coal Chem, State Key Lab Coal Convers, 27 South Taoyuan Rd, Taiyuan 030001, Peoples R China
2.Shanxi Datong Univ, Coll Chem & Environm Engn, Datong 037009, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, 457 Zhongshan Rd, Dalian 116023, Peoples R China
4.Shaanxi Normal Univ, Sch Chem & Mat Sci, Key Lab Appl Surface & Colloid Chem, MOE, Xian 710062, Peoples R China
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Li, Liping,Chen, Yanyan,Xu, Shutao,et al. Oriented control of Al locations in the framework of Al-Ge-ITQ-13 for catalyzing methanol conversion to propene[J]. JOURNAL OF CATALYSIS,2016,344:242-251.
APA Li, Liping.,Chen, Yanyan.,Xu, Shutao.,Li, Junfen.,Dong, Mei.,...&Fan, Weibin.(2016).Oriented control of Al locations in the framework of Al-Ge-ITQ-13 for catalyzing methanol conversion to propene.JOURNAL OF CATALYSIS,344,242-251.
MLA Li, Liping,et al."Oriented control of Al locations in the framework of Al-Ge-ITQ-13 for catalyzing methanol conversion to propene".JOURNAL OF CATALYSIS 344(2016):242-251.
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