Catalyst and systems incorporating the catalyst
First Claim
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1. A catalyst comprising:
- a carrier body; and
a catalytic portion carried by the carrier body, the catalytic portion comprising a plurality of distinct layers of a catalytic material, each of the plurality of distinct layers of the catalytic material including a transition metal oxide and having an average thickness of between about 0.01 nm and about 500 nm,wherein the plurality of distinct layers of catalytic material comprise a plurality of different transition metal oxides, and wherein the catalyst is configured to catalyze at least one of a dehydrogenation reaction and an ammoxidation reaction.
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Abstract
A catalyst includes a carrier body and a catalytic portion carried by the carrier body. The catalytic portion includes a plurality of distinct layers of catalytic material, which layers may be deposited through atomic layer deposition techniques. The catalyst may have a selectivity for the conversion of alkanes to alkenes of over 50%. The catalyst may be incorporated in a reactor such as a fluidized bed reactor or a single pass reactor.
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Citations
20 Claims
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1. A catalyst comprising:
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a carrier body; and a catalytic portion carried by the carrier body, the catalytic portion comprising a plurality of distinct layers of a catalytic material, each of the plurality of distinct layers of the catalytic material including a transition metal oxide and having an average thickness of between about 0.01 nm and about 500 nm, wherein the plurality of distinct layers of catalytic material comprise a plurality of different transition metal oxides, and wherein the catalyst is configured to catalyze at least one of a dehydrogenation reaction and an ammoxidation reaction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method for forming a catalyst comprising:
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providing a carrier body; depositing a catalytic material on the carrier body comprising a plurality of transition metal oxides; wherein depositing a catalytic material on the carrier body comprises depositing a plurality of layers of the catalytic material, on the carrier body one layer at a time, wherein at least one layer of the plurality of layers comprises a first transition metal oxide and at least another layer comprises a second transition metal oxide, and wherein the catalyst is configured to catalyze at least one of a dehydrogenation reaction and an ammoxidation reaction. - View Dependent Claims (13, 14, 15, 16)
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17. A reactor comprising:
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a reactor tank comprising an inlet port configured to receive reactants and an outlet port configured to allow reacted products to leave the reactor tank; a reactant source configured to provide a source of short chain alkane reactants to the reactor; and a catalyst disposed within the reactor, the catalyst comprising; a carrier body; and a catalytic portion carried by the carrier body, the catalytic portion including a plurality of distinct layers of a catalytic material, each of the plurality of distinct layers of the catalytic material including a transition metal oxide, at least one of the plurality of layers including a first transition metal oxide and at least another of the plurality of layers including a second transition metal oxide, wherein the catalyst is configured to catalyze a conversion of an alkane reactant to an alkene product, wherein the catalyst has a selectivity of at least about 45 percent for the conversion of the alkane reactant to the alkene product. - View Dependent Claims (18, 19, 20)
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Specification