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Partial oxidation of ethane to syngas over nickel-based catalysts modified by alkali metal oxide and rare earth metal oxide
Liu, SL; Xiong, GX; Yang, WS; Xu, LY; Xiong, G; Li, C
KeywordPartial Oxidation Of Ethane Syngas Nickel-based Catalysts Modification Alkali Metal Oxide Rare Earth Metal Oxide Thermal Stability Carbon Deposition
Source PublicationCATALYSIS LETTERS
1999
Volume63Issue:3-4Pages:167-171
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Physical
WOS Research AreaChemistry
WOS KeywordSHORT-CONTACT TIMES ; CARBON-DEPOSITION ; METHANE ; MONOLITHS ; STABILIZATION ; ETHYLENE ; SUPPORTS ; ALUMINA
AbstractThe catalytic activity, thermal stability and carbon deposition of various modified NiO/gamma-Al2O3 and unmodified NiO/gamma-Al2O3 catalysts were investigated with a flow reactor, XRD, TG and UVRRS analysis. The activity and selectivity of the NiO/gamma-Al2O3 catalyst showed little difference from those of the modified nickel-based catalysts. However, modification with alkali metal oxide (Li, Na, K) and rare earth metal oxide (La, Ce, Y, Sm) can improve the thermal stability of the NiO/gamma-Al2O3 and enhance its ability to suppress carbon deposition during the partial oxidation of ethane (POE). The carbon deposition contains graphite-like species that were detected by UVRRS. The nickel-based catalysts modified by alkali metal oxide and rare earth metal oxide have excellent catalytic activities (C2H6 conversion of similar to 100%, CO selectivity of similar to 94%, 7x 10(4) l/(kg h), 1123 K), good thermal stability and carbon-deposition resistance.
Language英语
URL查看原文
WOS IDWOS:000084274000009
Citation statistics
Cited Times:28[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/86611
Collection中国科学院大连化学物理研究所
AffiliationChinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Liu, SL,Xiong, GX,Yang, WS,et al. Partial oxidation of ethane to syngas over nickel-based catalysts modified by alkali metal oxide and rare earth metal oxide[J]. CATALYSIS LETTERS,1999,63(3-4):167-171.
APA Liu, SL,Xiong, GX,Yang, WS,Xu, LY,Xiong, G,&Li, C.(1999).Partial oxidation of ethane to syngas over nickel-based catalysts modified by alkali metal oxide and rare earth metal oxide.CATALYSIS LETTERS,63(3-4),167-171.
MLA Liu, SL,et al."Partial oxidation of ethane to syngas over nickel-based catalysts modified by alkali metal oxide and rare earth metal oxide".CATALYSIS LETTERS 63.3-4(1999):167-171.
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