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Mixed oxide based catalyst for the conversion of carbon dioxide to syngas and method of preparation and use
US8962702B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8962702-B2 |
| Application number | US-201113315083-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 8, 2011 |
| Priority date | Dec 8, 2011 |
| Publication date | Feb 24, 2015 |
| Grant date | Feb 24, 2015 |
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Abstract
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The invention relates to a catalyst and process for making syngas mixtures including hydrogen, carbon monoxide and carbon dioxide. The process comprises contacting a gaseous feed mixture containing carbon dioxide and hydrogen with the catalyst, where the catalyst comprises Mn oxide and an auxiliary metal oxide selected from the group consisting of La, Ca, K, W, Cu, Al and mixtures or combinations thereof. The process enables hydrogenation of carbon dioxide into carbon monoxide with high selectivity, and good catalyst stability over time and under variations in processing conditions. The process can be applied separately, but can also be integrated with other processes, both up-stream and/or down-stream including methane reforming or other synthesis processes for making products like alkanes, aldehydes, or alcohols.
First claim
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We claim: 1. A process of making a syngas mixture including hydrogen, carbon monoxide and carbon dioxide under isothermal conditions, comprising a step of contacting a gaseous feed mixture including carbon dioxide and hydrogen in the presence of a catalyst, where the catalyst comprises a supported manganese oxide catalyst including one more auxiliary metals selected from the group consisting of La, Ca, K, W, Cu, and Al. 2. The process according to claim 1 , whe…
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Operations & Transport · mapped topic
Operations & Transport · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Cross-Sectional Technologies · mapped topic
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Frequently asked questions
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- What does patent US8962702B2 cover?
- The invention relates to a catalyst and process for making syngas mixtures including hydrogen, carbon monoxide and carbon dioxide. The process comprises contacting a gaseous feed mixture containing carbon dioxide and hydrogen with the catalyst, where the catalyst comprises Mn oxide and an auxiliary metal oxide selected from the group consisting of La, Ca, K, W, Cu, Al and mixtures or combinatio…
- Who is the assignee on this patent?
- Mamedov Aghaddin, Shaikh Shahid N, Rea Clark, and 2 more
- What technology area does this patent fall under?
- Primary CPC classification C10G2/32. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Feb 24 2015 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).