Compartment model for steam reforming of methane in a membrane-assisted bubbling fluidized-bed reactor
作者： A DEHKORDI , M MEMARI
DOI: 10.1016/J.IJHYDENE.2008.11.076
关键词: Fluidized bed 、 Membrane reactor 、 Hydrogen production 、 Mechanics 、 Isothermal process 、 Hydrogen 、 Steam reforming 、 Adiabatic process 、 Methane 、 Chemistry
摘要: Abstract A compartment model was developed to describe the flow pattern of gas within dense zone a membrane-assisted fluidized-bed reactor (MAFBR), in bubbling mode operation for steam reforming methane both with (adiabatic) and without (isothermal) entering oxygen. Considering such using experimental data reported elsewhere [Roy S, Pruden BB, Adris AM, Grace JR, Lim CJ. Fluidized-bed oxygen input. Chem Eng Sci 1999; 54:2095–2102.], parameters (i.e., number compartments bubble emulsion phases) were determined fair agreements obtained between predictions data. The utilized behavior an industrial scale adiabatic isothermal MAFBR. Moreover, influences various operating design as steam-to-methane ratio (SMR), oxygen-to-methane (OMR), temperature pressure, hydrogen membrane tubes on performance capability MAFBR investigated. Furthermore, optimized subject constraints, including 1 ≤ SMR ≤ 4 500 ≤ T ≤ 1250 K, regime.
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