Abstract
AbstractHydrogen was produced by methane pyrolysis in a molten‐metal bubble column reactor. The proposed reactor improves heat transfer to the reactant gas and allows the separation of solid carbon due to the density difference between the molten metal and produced carbon. The effects of the temperature of the molten metal and metal type on the process were studied. The kinetic parameters were estimated by using a semi‐numerical model of two reactors in series developed for the system. Molten tin, as reaction medium, showed improved kinetic parameters compared to those of the conventional tubular reactor. Tin‐copper and tin‐nickel alloys were also used as molten media to study the effect of catalytically active metals. The produced carbon was analyzed to examine its morphology and purity.
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