Design of a novel autothermal membrane-assisted fluidized-bed reactor for the production of ultrapure hydrogen from methane
- Patil, C.S.
- van Sint Annaland, M.
- Kuipers, J.A.M.
DOIAbstract
A novel multifunctional reactor concept has been developed for the production of ultrapure H2 (<10 ppm CO) from light hydrocarbons such as CH4, for online use in downstream polymer electrolyte membrane fuel cells for small-scale applications (typically 1-50 kW). A high degree of process intensification is achieved by integrating permselective Pd metallic membranes for H2 removal (500-600 C operating temperature) inside a fluidized-bed reactor along with selective O2 addition through dense perovskite membranes (900-1000 C operating temperature). Incorporation of both types of membranes within a single reactor has the clear advantage of producing ultrapure H2 and pure CO2, circumventing expensive CO2 sequestration. The membrane-assisted fluid...
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