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学科主题: 物理化学
题名: A novel solvothermal approach to synthesize SAPO molecular sieves using organic amines as the solvent and template
作者: Fan, Dong1, 2, 3;  Tian, Peng1, 2;  Xu, Shutao1, 2;  Xia, Qinghua4;  Su, Xiong1, 2, 3;  Zhang, Lin1, 2;  Zhang, Ying1, 2;  He, Yanli1, 2;  Liu, Zhongmin1, 2
通讯作者: 刘中民
刊名: JOURNAL OF MATERIALS CHEMISTRY
发表日期: 2012
DOI: 10.1039/c2jm15281a
卷: 22, 期:14, 页:6568-6574
收录类别: SCI
文章类型: Article
部门归属: DNL12
项目归属: 1202
产权排名: 1,1
类目[WOS]: Chemistry, Physical ;  Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ;  Materials Science
英文摘要: A novel solvothermal synthesis route designated as aminothermal synthesis, in which organic amines are used as both the dispersing medium and the template, is developed for the synthesis of SAPO molecular sieves. Three synthetic systems based on triethylamine (TEA), diethylamine (DEA) and TEA-DEA binary mixture were studied. SAPO-34 with good crystallinity and high yield (ca. 90%) was successfully synthesized from TEA and TEA-DEA systems. By adjusting the crystallization temperature, SAPO-18 was for the first time obtained using TEA template. In the case of DEA, a small-pore molecular sieve DNL-6 with RHO topology was synthesized. In an attempt to make the synthetic process environmentally benign and reduce the waste emission, organic liquid was collected after the synthesis of SAPO-34 and reused in next crystallization. It was found that the crystalline product and yield were almost the same as those synthesized with fresh amines. Moreover, CO2 and CH4 were chosen as the probe molecules to investigate the adsorption properties of products. SAPO molecular sieves synthesized by aminothermal method exhibited good adsorption capacities and high CO2/CH4
关键词[WOS]: MICROWAVE IRRADIATION ;  IONOTHERMAL SYNTHESIS ;  CO2/CH4 SEPARATION ;  ALUMINOPHOSPHATE ;  CONVERSION ;  CRYSTALLIZATION ;  MECHANISM ;  FRAMEWORK ;  MEMBRANES ;  CATALYST
语种: 英语
WOS记录号: WOS:000301459500012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/117946
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Natl Engn Lab Methanol Olefins, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
4.Hubei Univ, Sch Chem & Chem Engn, Minist Educ, Key Lab Synth & Applicat Organ Funct Mol, Wuhan 430062, Peoples R China

Recommended Citation:
Fan, Dong,Tian, Peng,Xu, Shutao,et al. A novel solvothermal approach to synthesize SAPO molecular sieves using organic amines as the solvent and template[J]. JOURNAL OF MATERIALS CHEMISTRY,2012,22(14):6568-6574.
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