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学科主题: 物理化学
题名: Synthesis of SAPO-34 with alkanolamines as novel templates and their application for CO2 separation
作者: Wang, Dehua1, 2, 3;  Tian, Peng1, 2;  Yang, Miao1, 2;  Xu, Shutao1, 2;  Fan, Dong1, 2, 3;  Su, Xiong1, 2, 3;  Yang, Yue1, 2;  Wang, Chan1, 2, 3;  Liu, Zhongmin1, 2
通讯作者: 刘中民
关键词: Molecular sieve ;  Aminothermal synthesis ;  SAPO-34 ;  Alkanolamine ;  CO2 adsorption
刊名: MICROPOROUS AND MESOPOROUS MATERIALS
发表日期: 2014-08-01
DOI: 10.1016/j.micromeso.2014.03.028
卷: 194, 期:1, 页:8-14
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
英文摘要: Alkanolamines are used for the first time as both the solvent and template to explore the syntheses of SAPO molecular sieves. Diglycolamine (DGA) and diisopropanolamine (DIPA) are found to act as novel structure-directing agent for the synthesis of SAPO-34, and N-methyldiethanolamine leads to the crystallization of SAPO-44. The obtained SAPO-34s are well characterized and investigated as adsorbents for selective separation of CO2 from N-2 and CH4. A close relationship between the acid concentration of SAPO-34 and CO2 adsorption capacity has been revealed. SAPO-34-DGA with the highest acid concentration (sample D4) exhibits the best CO2 adsorption capacity and high CO2-over-N-2 selectivity. Breakthrough experiments are further carried out based on sample D4, which shows an excellent dynamic preferential adsorption ability for CO2 (similar to 8.2 wt%) from both CO2/N-2 and CO2/CH4 mixtures (298 K). These results demonstrate that SAPO-34-DGA could be a promising adsorbent for the CO2 capture. (C) 2014 Elsevier Inc. All rights reserved.
关键词[WOS]: MONTE-CARLO SIMULATIONS ;  MOLECULAR-SIEVES ;  CARBON-DIOXIDE ;  CO2/CH4 SEPARATION ;  MICROCALORIMETRY MEASUREMENTS ;  CATALYTIC PERFORMANCE ;  SILICON INCORPORATION ;  LIGHT OLEFINS ;  ZEOLITE RHO ;  ADSORPTION
语种: 英语
WOS记录号: WOS:000337867300002
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/143888
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

Recommended Citation:
Wang, Dehua,Tian, Peng,Yang, Miao,et al. Synthesis of SAPO-34 with alkanolamines as novel templates and their application for CO2 separation[J]. MICROPOROUS AND MESOPOROUS MATERIALS,2014,194(1):8-14.
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