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SAPO-34 synthesized with n-butylamine as a template and its catalytic application in the methanol amination reaction
Qiao, Yuyan1,2; Wu, Pengfei1,2; Xiang, Xiao1,2; Yang, Miao1; Wang, Quanyi1; Tian, Peng1; Liu, Zhongmin1
关键词Sapo-34 Molecular Sieve N-butylamine Primary Amine Synthesis High Temperature Methanol Amination
刊名CHINESE JOURNAL OF CATALYSIS
2017-03-01
DOI10.1016/S1872-2067(17)62775-X
38期:3页:574-582
收录类别SCI ; ISTP
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]MOLECULAR-SIEVES ; SI DISTRIBUTION ; MTO REACTION ; CRYSTALLIZATION ; CONVERSION ; METHYLAMINES ; DIETHYLAMINE ; PERFORMANCE ; ZEOLITES ; OLEFINS
英文摘要SAPO-34 was synthesized with n-butylamine (BA) as a template for the first time. Crystallization temperature and initial Si amount were important factors leading to successful syntheses. Lamellar AlPO-kanemite tends to form as the major phase or as an impurity of SAPO-34 at lower crystallization temperatures, though a higher initial Si amount may offer a positive effect on the crystallization of SAPO-34 that mitigates the low temperature. Higher temperature (240 degrees C) can effectively suppress the generation of lamellar materials and allow the synthesis of pure SAPO-34 with a wider range of Si incorporation. The crystallization processes at 200 and 240 degrees C were investigated and compared. We used the aminothermal method to synthesize SAPO-34-BA at 240 degrees C and also found n-propylamine is a suitable template for the synthesis of SAPO-34. The SAP0-34-BA products were characterized by many techniques. SAP0-34-BA has good thermal stability, crystallinity and porosity. BA remained intact in the crystals with similar to 1.8 BA molecule per chabazite cage. The catalytic performance of SAPO-34 was tested in the methanol amination reaction, which showed high methanol conversion and selectivity for methylamine plus dimethylamine under the conditions investigated, suggesting that this material is a good candidate for the synthesis of methylamines. (C) 2017, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000400125100019
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/152012
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, Natl Engn Lab Methanol Olefins, Dalian 116023, Liaoning, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
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Qiao, Yuyan,Wu, Pengfei,Xiang, Xiao,et al. SAPO-34 synthesized with n-butylamine as a template and its catalytic application in the methanol amination reaction[J]. CHINESE JOURNAL OF CATALYSIS,2017,38(3):574-582.
APA Qiao, Yuyan.,Wu, Pengfei.,Xiang, Xiao.,Yang, Miao.,Wang, Quanyi.,...&Liu, Zhongmin.(2017).SAPO-34 synthesized with n-butylamine as a template and its catalytic application in the methanol amination reaction.CHINESE JOURNAL OF CATALYSIS,38(3),574-582.
MLA Qiao, Yuyan,et al."SAPO-34 synthesized with n-butylamine as a template and its catalytic application in the methanol amination reaction".CHINESE JOURNAL OF CATALYSIS 38.3(2017):574-582.
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