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Synthesis of SAPO-34 Molecular Sieves Templated with Diethylamine and Comparison with Other Templates
Liu Guangyu1,2; Tian Peng1; Liu Zhongmin1
关键词Sapo-34 Template Diethylamine Triethylamine Morpholine Synthesis
刊名CHINESE JOURNAL OF CATALYSIS
2012
DOI10.1016/S1872-2067(11)60325-2
33期:1页:174-182
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 ; Engineering, Chemical
研究领域[WOS]Chemistry ; Engineering
关键词[WOS]METHANOL CONVERSION ; LIGHT OLEFINS ; CATALYTIC-PROPERTIES ; NMR ; CRYSTALLIZATION ; PERFORMANCE ; STABILITY
英文摘要SAPO-34 molecular sieves were synthesized using diethylamine (DEA) as a template. Influencing factors, such as H3PO4 content, H2O content, Al source, and Si source, were investigated. Pure SAPO-34 could be obtained under the following synthesis gel conditions: 0.7 <= n(P2O5)/n(Al2O3) <= 1.2 and 25 <= n(H2O)/n(Al(2)O3) <= 100. The Al source has a great influence on the resulting sample composition. SAPO-34 could also be synthesized using triethylamine (TEA), morpholine (MOR), and a DEA-TEA mixture as template, respectively. The products were characterized using X-ray diffraction, X-ray fluorescence, scanning electron microscopy, thermogravimetry, and Si-29 MAS NMR. The level of silicon incorporation into the SAPO-34 framework decreased in the following order of SAPO-34 (DEA) > SAPO-34 (MOR) > SAPO-34 (TEA). The Si(4Al) contents in the SAPO-34 frameworks followed the order of SAPO-34 (DEA) approximate to SAPO-34 (MOR) > SAPO-34 (TEA).
语种英语
WOS记录号WOS:000300474100018
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/143014
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, Dalian 116023, Liaoning, Peoples R China
2.Henan Univ Technol, Sch Chem & Chem Engn, Zhengzhou 450001, Henan, Peoples R China
推荐引用方式
GB/T 7714
Liu Guangyu,Tian Peng,Liu Zhongmin. Synthesis of SAPO-34 Molecular Sieves Templated with Diethylamine and Comparison with Other Templates[J]. CHINESE JOURNAL OF CATALYSIS,2012,33(1):174-182.
APA Liu Guangyu,Tian Peng,&Liu Zhongmin.(2012).Synthesis of SAPO-34 Molecular Sieves Templated with Diethylamine and Comparison with Other Templates.CHINESE JOURNAL OF CATALYSIS,33(1),174-182.
MLA Liu Guangyu,et al."Synthesis of SAPO-34 Molecular Sieves Templated with Diethylamine and Comparison with Other Templates".CHINESE JOURNAL OF CATALYSIS 33.1(2012):174-182.
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