Catalysts for petrochemical catalysis
US-2015224482-A1 · Aug 13, 2015 · US
Alumina-supported vanadium oxide dehydrogenation catalyst
US10130936B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10130936-B2 |
| Application number | US-201815882559-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 29, 2018 |
| Priority date | Jun 14, 2016 |
| Publication date | Nov 20, 2018 |
| Grant date | Nov 20, 2018 |
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Abstract
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Fluidizable catalysts for the gas phase oxygen-free oxidative dehydrogenation of alkanes, such as propane, to corresponding olefins, such as propylene. The catalysts comprise 5-20% by weight per total catalyst weight of one or more vanadium oxides (VOx), such as V2O5. The dehydrogenation catalysts are disposed on an alumina support that is modified with calcium oxide to influence characteristics of lattice oxygen at the catalyst surface. Various methods of preparing and characterizing the catalyst as well as methods for the gas phase oxygen free oxidative dehydrogenation of alkanes, such as propane, to corresponding olefins, such as propylene, with improved alkane conversion and olefin product selectivity are also disclosed.
First claim
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The invention claimed is: 1. An alumina-supported dehydrogenation catalyst, comprising: a support material comprising alumina modified by calcium oxide, wherein a weight ratio of calcium oxide to alumina is from 1:0.2 to 1:1; and a catalytic material comprising one or more vanadium oxides disposed on the support material, wherein the one or more vanadium oxides is selected from the group consisting of V 2 O 5 and V 2 O 3 ; wherein the dehydrogenation catalyst comprises 5-20% of the one or more vanadium oxides by weight relative to the total weight of the dehydrogenation catalyst. 2. The alumina-supported dehydrogenation catalyst of claim 1 , wherein the one or more vanadium oxides form an amorphous phase on the surface of the support material. 3. The alumina-supported dehydrogenation catalyst of claim 1 , which comprises at least 50% of V 2 O 5 by weight relative to the total weight of the one or more vanadium oxides. 4. The alumina-supported dehydrogenation catalyst of claim 1 , which has an average particle size in the range of 20-160 μm.
Assignees
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Classifications
Operations & Transport · mapped topic
Propene · CPC title
the impregnation liquid containing organic compounds · CPC title
Operations & Transport · mapped topic
Operations & Transport · mapped topic
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- What does patent US10130936B2 cover?
- Fluidizable catalysts for the gas phase oxygen-free oxidative dehydrogenation of alkanes, such as propane, to corresponding olefins, such as propylene. The catalysts comprise 5-20% by weight per total catalyst weight of one or more vanadium oxides (VOx), such as V2O5. The dehydrogenation catalysts are disposed on an alumina support that is modified with calcium oxide to influence characteristic…
- Who is the assignee on this patent?
- Univ King Fahd Pet & Minerals
- What technology area does this patent fall under?
- Primary CPC classification B01J23/22. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Nov 20 2018 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 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).