Subject Area物理化学
SiC foam monolith catalyst for pressurized adiabatic methane reforming
Li, Chunlin1; Xu, Hengyong1; Hou, Shoufu1; Sun, Jian1,2; Meng, Fanqiong1; Ma, Junguo1; Tsubaki, Noritatsu2,3; Li CL(李春林); Xu HY(徐恒泳)
KeywordSic Foam Methane Reforming Monolithic Catalyst Nickel Catalyst
Source PublicationAPPLIED ENERGY
Indexed BySCI
Funding ProjectDNL1902
Contribution Rank1,1
WOS HeadingsScience & Technology ; Technology
WOS SubjectEnergy & Fuels ; Engineering, Chemical
WOS Research AreaEnergy & Fuels ; Engineering
AbstractIn this work, an Al2O3-coated SiC foam monolith was used as the support of a Ni-based catalyst, which was applied for coupling partial oxidation and steaming reforming of methane to produce syngas or hydrogen. This monolithic catalyst showed excellent structural stability in a 900 h endurance test. Its catalytic activity and stability were also excellent during the first 500 h of the endurance test with a CH4 conversion (similar to 96%) near thermodynamic equilibrium. Subsequently, it deactivated gradually and its activity was reduced by 7% in the following 400 h. This deactivation is ascribed to deposited carbon that originated from methane cracking in the upper part of the stainless steel reactor. Fresh and used catalyst samples were characterized by XRD, BET, SEM and XRF methods. The results showed that the active coating consisting of Al2O3, and the components loaded on it was partially dislodged from the SiC substrate during the reaction, but the loss of Ni loaded on the Al2O3 coating was less than the loss of Al2O3. This is ascribed to most Ni species being located on the outer surface of the monolithic support, which was more weakly corroded by the reactant flow. The shrinkage of the active coating and the sintering of nickel particles were also observed in the endurance test. Moreover, the SiC foam supported Ni-based monolithic catalyst showed a more homogeneous bed temperature distribution compared with a traditional Ni/Mg-Al spinel catalyst. (C) 2013 Elsevier Ltd. All rights reserved.
WOS IDWOS:000318456700026
Citation statistics
Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorLi CL(李春林); Xu HY(徐恒泳)
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Toyama Univ, Sch Engn, Dept Appl Chem, Toyama 9308555, Japan
3.ACT C, JST, Kawaguchi, Saitama 3320012, Japan
Recommended Citation
GB/T 7714
Li, Chunlin,Xu, Hengyong,Hou, Shoufu,et al. SiC foam monolith catalyst for pressurized adiabatic methane reforming[J]. APPLIED ENERGY,2013,107:297-303.
APA Li, Chunlin.,Xu, Hengyong.,Hou, Shoufu.,Sun, Jian.,Meng, Fanqiong.,...&徐恒泳.(2013).SiC foam monolith catalyst for pressurized adiabatic methane reforming.APPLIED ENERGY,107,297-303.
MLA Li, Chunlin,et al."SiC foam monolith catalyst for pressurized adiabatic methane reforming".APPLIED ENERGY 107(2013):297-303.
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