Production of Hydrogen and Solid Carbon by Methane Decomposition under Pressurized Conditions Using a Rotary Reactor and Purification of Yielded Hydrogen by Hydrogen Separation Membrane
Megumu Inaba,
Koji Kuramoto,
Yasushi Soneda
Abstract:A pressurized rotary reactor was used to produce hydrogen and solid carbon through thermochemical decomposition of methane using an Fe catalyst. Here, the ratio of (CH 4 flow rate)/pressure was kept constant. Pressurized conditions caused a lower initial methane conversion, but the decrease in methane conversion over time was suppressed, and the conversion was ultimately higher than that at ambient pressure after a long reaction time. The deposited carbon was formed as carbon nanofibers and carbon nano-onions.… Show more
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