Method for Producing Hydrogen and Carbon Nanotubes from Natural Gas
V. V. CHESNOKOV, A. S. CHICHKAN
Boreskov Institute of Catalysis, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
Keywords: methane, hydrogen, carbon nanotubes, iron
Pages: 87-93
Abstract
A technology for producing hydrogen and carbon nanotubes from natural gas has been developed. The design of a pilot installation was developed and tested in the decomposition of natural gas using a series of CoO-MoO3-Fe2O3-Al2O3 catalysts. The optimal catalyst composition 30 % CoO-7 % MoO3-25 % Fe2O3-Al2O3 was identified. This catalyst makes it possible to obtain 30 L of hydrogen and 12 g of carbon nanotubes from natural gas with 1 g of the catalyst at moderate temperatures (700-750 °C). It was demonstrated that the installation for natural gas processing could operate in a continuous mode with an additional catalyst supply. The concentration of hydrogen in the methane-hydrogen mixture at the reactor outlet reaches 80 vol. %.
DOI: 10.15372/CSD2022361
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