Hydrocarbon reforming catalyst and hydrocarbon reforming apparatus
US-11958746-B2 · Apr 16, 2024 · US
Hydrocarbon reforming catalyst and hydrocarbon reforming apparatus
US12179178B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-12179178-B2 |
| Application number | US-202117551293-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 15, 2021 |
| Priority date | Aug 1, 2019 |
| Publication date | Dec 31, 2024 |
| Grant date | Dec 31, 2024 |
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Abstract
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A hydrocarbon reforming catalyst for forming a synthetic gas containing hydrogen and carbon monoxide from a hydrocarbon-based gas, the hydrocarbon reforming catalyst containing a complex oxide having a perovskite structure, the complex oxide having at least a first crystal phase containing BaCeO3 as a primary component and also containing Ru.
First claim
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The invention claimed is: 1. A hydrocarbon reforming catalyst for forming a synthetic gas containing hydrogen and carbon monoxide from a hydrocarbon-based gas, the hydrocarbon reforming catalyst comprising: a complex oxide having a perovskite structure, the complex oxide having at least: a first crystal phase containing BaCeO 3 as a primary component, a second crystal phase containing BaZrO 3 as a primary component, and Ru. 2. The hydrocarbon reforming catalyst according to claim 1 , wherein the perovskite structure is composed of at least Ba, Zr, Ce, and Ru. 3. The hydrocarbon reforming catalyst according to claim 1 , wherein the complex oxide does not contain Y, and a molar ratio of Ce to Ba is 0.50 to 0.70. 4. The hydrocarbon reforming catalyst according to claim 1 , wherein the complex oxide contains Y. 5. The hydrocarbon reforming catalyst according to claim 4 , wherein the perovskite structure is composed of at least Ba, Zr, Ce, Y, and Ru. 6. The hydrocarbon reforming catalyst according to claim 5 , wherein a molar ratio of the Ce to the Ba is 0.10 to 0.70. 7. The hydrocarbon reforming catalyst according to claim 5 , wherein a molar ratio of the Ru to the Ba is 0.04 to 0.43. 8. The hydrocarbon reforming catalyst according to claim 7 , wherein the molar ratio of the Ru to the Ba is 0.08 to 0.43. 9. The hydrocarbon reforming catalyst according to claim 5 , wherein a molar ratio of the Y to the Ba is 0.05 to 0.50. 10. The hydrocarbon reforming catalyst according to claim 5 , wherein a molar ratio of the Zr to the Ba is 0.1 to 0.80. 11. The hydrocarbon reforming catalyst according to claim 5 , wherein a molar ratio of a total amount of the Zr, the Ce, and the Y to the Ba is 0.71 to 1.67. 12. The hydrocarbon reforming catalyst according to claim 5 , wherein a molar ratio of the Ce to the Ba is 0.10 to 0.70, a molar ratio of the Ru to the Ba is 0.04 to 0.43, a molar ratio of the Y to the Ba is 0.05 to 0.50, a molar ratio of the Zr to the Ba is 0.1 to 0.80, and a molar ratio of a total amount of the Zr, the Ce, and the Y to the Ba is 0.71 to 1.67. 13. A hydrocarbon reforming apparatus comprising: a pipe through which a treatment object gas containing at least a hydrocarbon passes; and the hydrocarbon reforming catalyst according to claim 1 disposed inside the pipe at a position so as to contact the treatment object gas passing therethrough. 14. The hydrocarbon reforming apparatus according to claim 13 , wherein the perovskite structure is composed of at least Ba, Zr, Ce, and Ru. 15. The hydrocarbon reforming apparatus according to claim 13 , wherein the complex oxide does not contain Y, and a molar ratio of Ce to Ba is 0.50 to 0.70. 16. The hydrocarbon reforming apparatus according to claim 13 , wherein the complex oxide contains Y. 17. The hydrocarbon reforming apparatus according to claim 16 , wherein the perovskite structure is composed of at least Ba, Zr, Ce, Y, and Ru. 18. A hydrocarbon reforming catalyst for forming a synthetic gas containing hydrogen and carbon monoxide from a hydrocarbon-based gas, the hydrocarbon reforming catalyst comprising: a complex oxide having a perovskite structure, the complex oxide having at least a first crystal phase containing BaCeO 3 as a primary component, and also containing Ru, wherein the complex oxide does not contain Y, and a molar ratio of Ce to Ba is 0.50 to 0.70.
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Classifications
X-ray diffraction · CPC title
Perovskite-type · CPC title
with rare earths or actinides · CPC title
with alkali- or alkaline earth metals or beryllium · CPC title
containing a metal of group 8 or a compound thereof · CPC title
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- What does patent US12179178B2 cover?
- A hydrocarbon reforming catalyst for forming a synthetic gas containing hydrogen and carbon monoxide from a hydrocarbon-based gas, the hydrocarbon reforming catalyst containing a complex oxide having a perovskite structure, the complex oxide having at least a first crystal phase containing BaCeO3 as a primary component and also containing Ru.
- Who is the assignee on this patent?
- Murata Manufacturing Co
- What technology area does this patent fall under?
- Primary CPC classification B01J23/63. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Dec 31 2024 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 7 related publications on this page (citations in our corpus or others sharing the same primary CPC).