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Abstract

An apparatus and method for producing hydrocarbons including aromatic hydrocarbons and lower olefins including propylene from CH₄ and CO₂ through CO and H₂ with high activity and high selectivity. The apparatus is provided with: a synthetic gas production unit to which a gas containing CH₄ and CO₂ is supplied from a first supply unit, and which generates a synthetic gas containing CO and H₂ while heating a first catalyst structure; a production unit to which the synthetic gas is supplied and which generates hydrocarbons including aromatic hydrocarbons having 6-10 carbon atoms and lower olefins including propylene while heating a second catalyst structure; and a detection unit which detects propylene and the aromatic hydrocarbons discharged from the production unit, in which the first catalyst structure includes first supports having a porous structure and a first metal fine particle in the first supports, the first supports have a first channels, the first metal fine particle is present in the first channels, the second catalyst structure includes second supports having a porous structure and a second metal fine particle in the second supports, the second supports have a second channels, and a portion of the second channels have an average inner diameter of 0.95 nm or less.

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First Claim