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公开(公告)号:US11712689B2
公开(公告)日:2023-08-01
申请号:US17341495
申请日:2021-06-08
发明人: Erdem Sasmaz , Jochen Lauterbach , Sunkyu Kim
CPC分类号: B01J35/0086 , B01J21/08 , B01J23/894 , B01J35/023 , B01J35/08 , B01J35/1019 , C01B3/40 , C01B2203/1241
摘要: The present disclosure relates to yolk-shell structured catalysts having compositions that can be particularly useful in the dry reforming of methane. These catalysts can demonstrate long-term stability that would be an advantage in industrial applications such as mitigating fossil fuel plant emissions. Example catalysts can include a yolk containing nickel (Ni) or nickel oxide (NiO), platinum (Pt) or platinum oxide (PtO2), and a third material (M3) such as a cerium oxide (CeOx). The shell can be formed of a ceramic such as silica and is generally a porous material that can support the yolk.
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公开(公告)号:US11891301B2
公开(公告)日:2024-02-06
申请号:US16376158
申请日:2019-04-05
CPC分类号: C01B3/047 , B01J8/009 , B01J19/2475 , B01J23/58 , C01B3/503 , B01J8/02 , B01J2208/00805 , B01J2208/024 , B01J2523/12 , B01J2523/13 , B01J2523/14 , B01J2523/15 , B01J2523/25 , B01J2523/36 , B01J2523/49 , B01J2523/821 , C01B2203/041 , C01B2203/1041 , C01B2203/1064 , C01B2203/1094
摘要: Disclosed are ruthenium-based catalyst systems, hafnium-based catalyst systems, and yttrium-based catalyst systems for use in ammonia decomposition. Catalyst systems include ruthenium, hafnium, and/or yttrium optionally in combination with one or more additional metals that can be catalytic or catalyst promoters. Hafnium-based and yttrium-based catalyst systems can be free of ruthenium. The catalyst systems also include a support material. Disclosed catalyst systems can decompose ammonia at relatively low temperatures and can provide an efficient and cost-effective route to utilization of ammonia as a carbon-free hydrogen storage and generation material.
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公开(公告)号:US20190168205A1
公开(公告)日:2019-06-06
申请号:US16136309
申请日:2018-09-20
发明人: Erdem Sasmaz , Jochen Lauterbach , Sunkyu Kim
摘要: The present disclosure relates to yolk-shell structured catalysts. The yolk-shell catalysts can be particularly useful in the tri-reforming of methane. The yolks can include a primary material (M1), such as nickel (Ni) or nickel oxide (NiO), and a secondary material (M2). The shell is generally a porous material that can support the yolk. The shell can include silica (SiO2) and the secondary material can include ceria (CeO2). The yolk-shell catalyst can take the form of tube-like structures in which the yolk is dispersed within the shell support in a substantially homogeneous fashion.
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公开(公告)号:US20230001392A1
公开(公告)日:2023-01-05
申请号:US17781780
申请日:2020-12-04
发明人: Jochen Lauterbach , Michael Royko
IPC分类号: B01J27/25 , B01J21/04 , B01J35/00 , B01J35/06 , B01J37/02 , B01J37/03 , B01J37/08 , C01B3/16
摘要: Described herein are reusable, mesh-based catalysts with superior mechanical stability and magnetic separability wherein the mesh may be formed in a variety of shapes and can be easily separated from a process stream and in combination with biomass torrefaction, reduces toxic emissions and produce hydrogen gas, which can be burned at the facility to generate heat or electricity.
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5.
公开(公告)号:US10882804B2
公开(公告)日:2021-01-05
申请号:US16547974
申请日:2019-08-22
IPC分类号: C07C29/141 , C07C31/22 , B01J23/656 , C08L97/02 , C07C29/145 , C07C29/132
摘要: This disclosure provides embodiments directed to compositions, methods, and processes to produce compounds having the structure: each of R1-R5 is selected from a hydroxyl group and hydrogen; and R1-R5 include at least one hydroxyl group and at least one hydrogen; and n=0-2. In particular, methods of the disclosure can include reacting a precursor, the precursor containing more oxygen (O) atoms than the compound, with a gas containing hydrogen (H2) in the presence of a catalyst.
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