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Promotion effect of cerium and lanthanum oxides on Ni/SBA-15 catalyst for ammonia decomposition
Liu, Hongchao1,2; Wang, Hua1; Shen, Jianghan1,2; Sun, Ying1,2; Liu, Zhongmin1; Liu ZM(刘中民); Liu ZM(刘中民)
KeywordAmmonia Decomposition Ni/sba-15 Catalysts Cerium Lanthanum
Source PublicationCATALYSIS TODAY
2008-02-29
DOI10.1016/j.cattod.2007.10.048
Volume131Issue:1-4Pages:444-449
Indexed ByISTP ; SCI
SubtypeArticle
Department8
Funding Project803
Contribution Rank1;1
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
WOS Research AreaChemistry ; Engineering
WOS KeywordCOX-FREE HYDROGEN ; SUPPORTED NICKEL-CATALYSTS ; FUEL-CELL APPLICATIONS ; RUTHENIUM CATALYSTS ; NH3 DECOMPOSITION ; DEPOSITION-PRECIPITATION ; GENERATION ; SURFACE ; ALUMINA ; SILICA
AbstractCeNi/SBA-15 and LaNi/SBA-15 catalysts were prepared by deposition-precipitation (DP) method and characterized by N-2 physical adsorption, XRD, H-2-TPR, H-2-chemisorption and TEM. Their catalytic performances in the ammonia decomposition reaction were tested and compared with Ni/SBA-15 catalyst. Addition of cerium and lanthanum oxides to the Ni/SBA-15 catalyst caused some decrease of BET surface area and pore volume of the catalysts, but led to a promotion effect to their catalytic activity which was closely related to the ratio of Cc (La)/Ni. The highest conversion of ammonia could be obtained when the Ce (La)/Ni ratio was around 0.3. The promotion effect is more evident on CeNi/ SBA-15(0.3) than on LaNi/SBA-15(0.3) catalyst under identical reaction conditions. The CeNi/SBA-15 and LaNi/SBA-15 catalysts show smaller nickel particle size and easier reducibility in comparison with the Ni/SBA-15 catalysts. (C) 2007 Elsevier B.V. All rights reserved.
Language英语
URL查看原文
WOS IDWOS:000253382100062
Citation statistics
Cited Times:55[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/100623
Collection中国科学院大连化学物理研究所
Corresponding AuthorLiu ZM(刘中民); Liu ZM(刘中民)
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Appl Catalysis Lab, Dalian 116023, Peoples R China
2.Grad Univ, Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Liu, Hongchao,Wang, Hua,Shen, Jianghan,et al. Promotion effect of cerium and lanthanum oxides on Ni/SBA-15 catalyst for ammonia decomposition[J]. CATALYSIS TODAY,2008,131(1-4):444-449.
APA Liu, Hongchao.,Wang, Hua.,Shen, Jianghan.,Sun, Ying.,Liu, Zhongmin.,...&刘中民.(2008).Promotion effect of cerium and lanthanum oxides on Ni/SBA-15 catalyst for ammonia decomposition.CATALYSIS TODAY,131(1-4),444-449.
MLA Liu, Hongchao,et al."Promotion effect of cerium and lanthanum oxides on Ni/SBA-15 catalyst for ammonia decomposition".CATALYSIS TODAY 131.1-4(2008):444-449.
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