Journal
FUEL
Volume 85, Issue 12-13, Pages 1631-1641Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2006.02.004
Keywords
chemical-looping reforming; hydrogen; synthesis gas
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Chemical-looping reforming is a technology that can be used for partial oxidation and steam reforming of hydrocarbon fuels. This paper describes continuous chemical-looping reforming of natural gas in a laboratory reactor consisting of two interconnected fluidized beds. Particles composed of 60 wt% NiO and 40 wt% MgAl2O4 are used as bed material, oxygen carrier and reformer catalyst. There is a continuous circulation of particles between the reactors. In the fuel reactor, the particles are reduced by the fuel, which in turn is partially oxidized to H-2, CO, CO2 and H2O. In the air reactor the reduced oxygen h of reforming were recorded. Formation of solid carbon was noticed for some cases. Adding 25 vol% steam to the natural gas reduced or eliminated the carbon formation. (c) 2006 Elsevier Ltd. All rights reserved.
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