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Preparation, characterization and activities of the nano-sized Ni/SBA-15 catalyst for producing COx-free hydrogen from ammonia
Liu, Hongchao1,2; Wang, Hua1; Shen, Jianghan1,2; Sun, Ying1,2; Liu, Zhongmin1
KeywordDeposition-precipitation Method Ni/sba-15 Cox-free Hydrogen Ammonia Decomposition
Source PublicationAPPLIED CATALYSIS A-GENERAL
2008-03-25
DOI10.1016/j.apcata.2007.12.006
Volume337Issue:2Pages:138-147
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Life Sciences & Biomedicine
WOS SubjectChemistry, Physical ; Environmental Sciences
WOS Research AreaChemistry ; Environmental Sciences & Ecology
WOS KeywordTEMPERATURE-PROGRAMMED-REDUCTION ; FUEL-CELL APPLICATIONS ; DEPOSITION-PRECIPITATION ; OXIDATIVE DEHYDROGENATION ; SUPPORTED CATALYSTS ; NH3 DECOMPOSITION ; NI(II) PHASE ; NICKEL-OXIDE ; SILICA ; GENERATION
AbstractNi/SBA-15 catalysts that are used in ammonia decomposition to produce COx-free hydrogen were prepared by a deposition-precipitation (DP) method and investigated by N-2 adsorption/desorption, XRD, TEM and H-2-TPR techniques. The results show that not only the nano-sized nickel particles with narrow distribution could be obtained, but also the ordered mesostructures of the Ni/SBA-15. catalysts could be achieved during the preparation process. The amount of formed nickel phyllosilicate increases with prolonging the DP time, while surface areas and pore sizes of samples decrease relatively. These Ni/SBA-15 catalysts exhibit higher performance than other Ni-based catalysts and even some supported Ru catalysts. Ammonia conversion is more than 96% at 873 K with GHSV(NH3) of 46,000 ml/h g-cat. Additionally, the Ni/SBA-15 catalyst is very stable during catalytic evaluation operation due to the strong interactions between nickel grains and SBA-15 support. (c) 2007 Elsevier B.V. All rights reserved.
Language英语
WOS IDWOS:000255618800004
Citation statistics
Cited Times:96[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/140865
Collection中国科学院大连化学物理研究所
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Lab Appl Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Liu, Hongchao,Wang, Hua,Shen, Jianghan,et al. Preparation, characterization and activities of the nano-sized Ni/SBA-15 catalyst for producing COx-free hydrogen from ammonia[J]. APPLIED CATALYSIS A-GENERAL,2008,337(2):138-147.
APA Liu, Hongchao,Wang, Hua,Shen, Jianghan,Sun, Ying,&Liu, Zhongmin.(2008).Preparation, characterization and activities of the nano-sized Ni/SBA-15 catalyst for producing COx-free hydrogen from ammonia.APPLIED CATALYSIS A-GENERAL,337(2),138-147.
MLA Liu, Hongchao,et al."Preparation, characterization and activities of the nano-sized Ni/SBA-15 catalyst for producing COx-free hydrogen from ammonia".APPLIED CATALYSIS A-GENERAL 337.2(2008):138-147.
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