Economics and simulation of fluidized bed membrane reforming

In this study a Fluidized Bed Membrane Reforming (FBMR) process has been proposed and enhancements to improve the economics of the Steam Methane Reforming (SMR) process for production of hydrogen have been incorporated. Separation of the product hydrogen using membrane technology to drive the reacti...

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Bibliographic Details
Published in:International journal of hydrogen energy 1998, Vol.23 (9), p.745-752
Main Authors: Roy, S., Cox, B.G., Adris, A.M., Pruden, B.B.
Format: Article
Language:English
Subjects:
Alternative fuels. Production and utilization
Applied sciences
Energy
Exact sciences and technology
Fuels
Hydrogen
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Summary:In this study a Fluidized Bed Membrane Reforming (FBMR) process has been proposed and enhancements to improve the economics of the Steam Methane Reforming (SMR) process for production of hydrogen have been incorporated. Separation of the product hydrogen using membrane technology to drive the reaction beyond its thermodynamic equilibrium and the use of high flux palladium coated niobium/tantalum membranes have been studied. Capital and operating costs were estimated, and supply cost economics determined for comparison to a conventional Steam Methane Reforming plant. The study identified that Fluidized Bed Membrane Reforming has an increase in conversion over conventional technology at comparable operating temperature and pressure. Direct firing of fluidized bed reactors located in the radiant section of a reformer type furnace is the most efficient scheme to transfer the heat of reaction compared to the condensing sodium vapor type of heat transfer. The configuration with high flux membranes has a lower estimated capital and operating cost than conventional SMR.
ISSN:0360-3199
1879-3487
DOI:10.1016/S0360-3199(97)00136-5