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Study of catalysts for hydrogen production by the high temperature steam reforming of methanol
Zhang, C.; Yuan, Z.; Liu, N.; Wang, S.; Wang, S.; Wang SD(王树东); Wang SD(王树东)
关键词Catalyst High Temperature Hydrogen Production Methanol Steam Reforming
刊名FUEL CELLS
2006-12-01
DOI10.1002/fuce.200600010
6期:6页:466-471
收录类别SCI ; ISTP
文章类型Article
部门归属9
项目归属901
产权排名1;1
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Electrochemistry ; Energy & Fuels
研究领域[WOS]Electrochemistry ; Energy & Fuels
关键词[WOS]CEO2-ZRO2 SOLID-SOLUTIONS ; OXYGEN-STORAGE PROPERTIES ; GAS-SHIFT REACTION ; MIXED OXIDES ; MEMBRANE REACTOR ; REDOX BEHAVIOR ; PALLADIUM ; PD/ZNO ; CU/ZNO/AL2O3 ; PROMOTION
英文摘要In the present study, a series of Ir-based catalysts, supported on Al2O3, ZrO2, CeO2, and CexZr1-xO2, are investigated for the production of hydrogen by the high temperature steam reforming of methanol (SRM). Results show that CeO2 and CexZr1-xO2 can promote the CO water gas shift (WGS) reaction, which is involved in the SRM network. Ir/CeO2 exhibits a better initial methanol conversion and its stability can be enhanced by the addition of ZrO2 to CeO2. The TPR and XRD characterization of the CeO2-ZrO2 mixed oxides shows that Ce0.5Zr0.5O2 is the optimum support in maintaining catalyst activity, as well as stability. The addition of the precious metal Pt to Ir/Ce0.5Zr0.5O2 demonstrates a synergistic effect and can obviously increase the selectivity of H-2. In the meantime, the CO content in the reformate products decreases from 9 mol-% to 6 mol-%. Under the conditions of H2O/ CH3OH=1.5 (molar ratio), LHSV=2.5 h(-1), and a reaction temperature of 400 degrees C, a 92% methanol conversion is obtained during a 200 hour test on a 0.3%Ir-0.3%Pt/Ce0.5Zr0.5O2 catalyst and the stability is better than that of a commercial copper-based catalyst.
语种英语
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WOS记录号WOS:000243332900010
引用统计
被引频次:12[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/321008/98281
专题中国科学院大连化学物理研究所
通讯作者Wang SD(王树东); Wang SD(王树东)
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Liaoning, Peoples R China
推荐引用方式
GB/T 7714
Zhang, C.,Yuan, Z.,Liu, N.,et al. Study of catalysts for hydrogen production by the high temperature steam reforming of methanol[J]. FUEL CELLS,2006,6(6):466-471.
APA Zhang, C..,Yuan, Z..,Liu, N..,Wang, S..,Wang, S..,...&王树东.(2006).Study of catalysts for hydrogen production by the high temperature steam reforming of methanol.FUEL CELLS,6(6),466-471.
MLA Zhang, C.,et al."Study of catalysts for hydrogen production by the high temperature steam reforming of methanol".FUEL CELLS 6.6(2006):466-471.
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