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High temperature SrCe0.9Eu0.1O3-δ proton conducting membrane reactor for H2 production using the water-gas shift reaction
被引:38
|作者:
Li, Jianlin
[1
]
Yoon, Heesung
[1
]
Oh, Tak-Keun
[1
]
Wachsman, Eric D.
[1
]
机构:
[1] Univ Florida, Florida Inst Sustainable Energy, Gainesville, FL 32611 USA
关键词:
Water-gas shift reaction;
Proton conducting membrane;
Hydrogen;
Permeation;
SrCe0.9Eu0.1O3-delta;
HYDROGEN SEPARATION MEMBRANES;
ELECTRICAL-CONDUCTION;
PERMEATION;
CONVERSION;
OXIDES;
STEAM;
D O I:
10.1016/j.apcatb.2009.08.015
中图分类号:
O64 [物理化学(理论化学)、化学物理学];
学科分类号:
070304 ;
081704 ;
摘要:
The water-gas shift (WGS) reaction is used to shift the CO/H-2 ratio prior to Fischer-Tropsch synthesis and/or to increase H-2 yield. A WGS membrane reactor was developed using a mixed protonic-electronic conducting SrCe0.9Eu0.1O3-delta membrane coated on a Ni-SrCeO3-delta support. The membrane reactor overcomes the thermodynamic equilibrium limitations. A 46% increase in CO conversion and total H-2 yield was achieved at 900 degrees C under 3% CO and 6% H2O, resulting in a 92% single pass H-2 production yield and 32% single pass yield of pure permeated H-2. (C) 2009 Elsevier B.V. All rights reserved.
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页码:234 / 239
页数:6
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