CPC B01J 29/76 (2013.01) [B01J 35/40 (2024.01); B01J 35/56 (2024.01); C01B 3/40 (2013.01); C01B 2203/0238 (2013.01)] | 17 Claims |
1. A synthesis gas production catalyst structure, comprising:
a support that has a porous structure and comprises a zeolite-type compound; and
a catalytic material present in the support, wherein
the support has channels communicating with one another,
the channels have any one of a one-dimensional pore, a two-dimensional pore, a three-dimensional pore of a framework structure of the zeolite-type compound, and an enlarged pore portion which is not defined by the framework structure of the zeolite-type compound and has a diameter greater than any one of the one-dimensional pore, the two-dimensional pore, and the three-dimensional pore,
the enlarged pore portion has a greater diameter than the catalytic material,
the catalytic material has a diameter greater than any one of the one-dimensional pore, the two-dimensional pore and the three-dimensional pore,
the zeolite-type compound has a framework structure that is selected from the group consisting of FAU type, MTW type, MFI type, FER type, LTA type, MWW type, MOR type, LTL type, and BEA type,
the catalytic material includes metal oxide nanoparticles or metal nanoparticles,
the support has an L/d ratio of a long side dimension L to a thickness dimension d of 5.0 or more and 35.0 or less,
the catalytic material is present at least in the channels of the support, and
the synthesis gas production catalyst structure is obtained by:
impregnating a precursor material (A), which is a regular mesoporous material, with a metal-containing solution to form a precursor material (B), the precursor material (A) being a compound having a Si—O skeleton having pores with a pore size of 1.0 nm or more and 13.0 nm or less uniformly and regularly developed one-dimensionally, two-dimensionally, or three-dimensionally,
calcinating the precursor material (B) to form a precursor material (C),
preparing a mixture solution of the precursor material (C) and a structure-directing agent, and
subjecting the mixture solution to a hydrothermal treatment to obtain the synthesis gas production catalyst structure.
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