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CO2 adsorption on SBA-15 modified by aminosilane
Wang Linfang; Ma Lei; Wang Aiqin; Liu Qian; Mang Tao
关键词Sba-15 Surface Modification One-step Silylation Post-synthesis Silylation Carbon Dioxide Adsorption
刊名CHINESE JOURNAL OF CATALYSIS
2007-09-01
28期:9页:805-810
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]MESOPOROUS MOLECULAR-SIEVE ; CARBON-DIOXIDE ; HIGH-CAPACITY ; SILICA ; ADSORBENT ; REMOVAL ; MCM-41
英文摘要By grafting amines onto the mesoporous support SBA-15, a highly efficient adsorbent has been obtamed. This material shows potential applications in the removal Of CO2 from enclosed areas such as space shuttles and submarines. SBA-15 was modified with 3-aminopropyl-triethoxysilane (APTES) by post-synthesis silylation and one-step silylation methods using ethanol as the solvent. The physical properties of these adsorbents were characterized by X-ray powder diffraction and N-2 adsorption- desorption. The ordered hexagonal mesoporous structure of SBA-15 is well preserved after the modification. CO2 adsorption was tested using a static adsorption equipment. Adsorption isotherms demonstrate that the one-step silylation method is better than the post-synthesis silylation method. SBA-15 that was modified with APTES through one-step sitylation can adsorb 34. 2 Mg/g Of CO2 at room temperature when the partial pressure Of CO2 is 0. 005 MPa. Active carbon, the traditional adsorbent of CO2 was also tested. At room temperature, modified SBA-15 shows better performance than active carbon when the partial pressure of CO2 is lower than 0.02 MPa.
语种英语
WOS记录号WOS:000250327900013
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被引频次:49[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/140484
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
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Wang Linfang,Ma Lei,Wang Aiqin,et al. CO2 adsorption on SBA-15 modified by aminosilane[J]. CHINESE JOURNAL OF CATALYSIS,2007,28(9):805-810.
APA Wang Linfang,Ma Lei,Wang Aiqin,Liu Qian,&Mang Tao.(2007).CO2 adsorption on SBA-15 modified by aminosilane.CHINESE JOURNAL OF CATALYSIS,28(9),805-810.
MLA Wang Linfang,et al."CO2 adsorption on SBA-15 modified by aminosilane".CHINESE JOURNAL OF CATALYSIS 28.9(2007):805-810.
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