Upgrading of coal liquids by Hydrous Metal Oxide catalysts
Hydrous Metal Oxides (HMOs) are chemically synthesized materials which contain a homogeneous distribution of ion exchangeable alkali cations that provide charge compensation to the metal-oxygen framework. Both the presence of these alkali cations and the resulting high cation exchange capacities (4-...
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| Materiálatiipa: | Report |
| Giella: | eaŋgalasgiella |
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1994
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| Fáttát: | |
| Liŋkkat: | https://www.osti.gov/servlets/purl/10158468 https://doi.org/10.2172/10176929 |
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| _version_ | 1878730960708567040 |
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| author | Sandia National Labs., Albuquerque, NM (United States) S Lott USDOE, Washington, DC (United States) T Gardner L McLaughlin J.B. Oelfke |
| author_browse | J.B. Oelfke L McLaughlin S Lott Sandia National Labs., Albuquerque, NM (United States) T Gardner USDOE, Washington, DC (United States) |
| author_facet | Sandia National Labs., Albuquerque, NM (United States) S Lott USDOE, Washington, DC (United States) T Gardner L McLaughlin J.B. Oelfke |
| author_sort | Sandia National Labs., Albuquerque, NM (United States) |
| collection | OpenAlex (Petróleo y Energía) |
| description | Hydrous Metal Oxides (HMOs) are chemically synthesized materials which contain a homogeneous distribution of ion exchangeable alkali cations that provide charge compensation to the metal-oxygen framework. Both the presence of these alkali cations and the resulting high cation exchange capacities (4--5 meq/g) clearly set these HMO materials apart from conventional precipitated hydrous oxides. For catalyst applications, the HMO material serves as an ion exchangeable support which facilitates the uniform incorporation of catalyst precursor species. Following catalyst precursor incorporation, an activation step is required to convert the catalyst precursor to the desired active phase. Considerable process development activities at Sandia National Laboratories related to HMO materials have resulted in bulk silica-doped hydrous titanium oxide (HTO:Si)-supported NiMo catalysts that are more active in model compound reactions than commercial NiMo catalysts. These reactions, e.g. pyrene hydrogenation, simulate direct coal liquefaction. However, extension of this process to produce NiMo/HTO:Si catalyst coatings on commercial supports is of interest for liquefaction applications since overall catalyst cost can be reduced and bulk HTO:SI mechanical limitations can be circumvented. In the present effort, NiMo/HTO:Si has been evaluated for hydrodesulfurization (HDS) and hydrodenitrogenation (HDN) of coal derived liquids. NiMo/HTO:Si catalysts have been evaluated in both bulk (unsupported) form and a supported form on commercial alumina extrudates. |
| doi_str_mv | 10.2172/10176929 |
| format | Report |
| id | openalex-W112379688 |
| institution | PEMEX |
| language | English |
| publishDate | 1994 |
| publishDateSort | 1994 |
| record_format | oai_dc |
| spelling | Upgrading of coal liquids by Hydrous Metal Oxide catalysts Sandia National Labs., Albuquerque, NM (United States) S Lott USDOE, Washington, DC (United States) T Gardner L McLaughlin J.B. Oelfke Catalysis and Hydrodesulfurization Studies Nanomaterials for catalytic reactions Petroleum Processing and Analysis hydrous metal oxides NiMo catalysts coal liquefaction coal liquids hydrodesulfurization hydrodenitrogenation supported catalysts cation exchange capacity Hydrous Metal Oxides (HMOs) are chemically synthesized materials which contain a homogeneous distribution of ion exchangeable alkali cations that provide charge compensation to the metal-oxygen framework. Both the presence of these alkali cations and the resulting high cation exchange capacities (4--5 meq/g) clearly set these HMO materials apart from conventional precipitated hydrous oxides. For catalyst applications, the HMO material serves as an ion exchangeable support which facilitates the uniform incorporation of catalyst precursor species. Following catalyst precursor incorporation, an activation step is required to convert the catalyst precursor to the desired active phase. Considerable process development activities at Sandia National Laboratories related to HMO materials have resulted in bulk silica-doped hydrous titanium oxide (HTO:Si)-supported NiMo catalysts that are more active in model compound reactions than commercial NiMo catalysts. These reactions, e.g. pyrene hydrogenation, simulate direct coal liquefaction. However, extension of this process to produce NiMo/HTO:Si catalyst coatings on commercial supports is of interest for liquefaction applications since overall catalyst cost can be reduced and bulk HTO:SI mechanical limitations can be circumvented. In the present effort, NiMo/HTO:Si has been evaluated for hydrodesulfurization (HDS) and hydrodenitrogenation (HDN) of coal derived liquids. NiMo/HTO:Si catalysts have been evaluated in both bulk (unsupported) form and a supported form on commercial alumina extrudates. |
| spellingShingle | Upgrading of coal liquids by Hydrous Metal Oxide catalysts Sandia National Labs., Albuquerque, NM (United States) S Lott USDOE, Washington, DC (United States) T Gardner L McLaughlin J.B. Oelfke Catalysis and Hydrodesulfurization Studies Nanomaterials for catalytic reactions Petroleum Processing and Analysis hydrous metal oxides NiMo catalysts coal liquefaction coal liquids hydrodesulfurization hydrodenitrogenation supported catalysts cation exchange capacity |
| title | Upgrading of coal liquids by Hydrous Metal Oxide catalysts |
| title_full | Upgrading of coal liquids by Hydrous Metal Oxide catalysts |
| title_fullStr | Upgrading of coal liquids by Hydrous Metal Oxide catalysts |
| title_full_unstemmed | Upgrading of coal liquids by Hydrous Metal Oxide catalysts |
| title_short | Upgrading of coal liquids by Hydrous Metal Oxide catalysts |
| topic | Catalysis and Hydrodesulfurization Studies Nanomaterials for catalytic reactions Petroleum Processing and Analysis hydrous metal oxides NiMo catalysts coal liquefaction coal liquids hydrodesulfurization hydrodenitrogenation supported catalysts cation exchange capacity |
| topic_facet | Catalysis and Hydrodesulfurization Studies Nanomaterials for catalytic reactions Petroleum Processing and Analysis hydrous metal oxides NiMo catalysts coal liquefaction coal liquids hydrodesulfurization hydrodenitrogenation supported catalysts cation exchange capacity |
| url | https://www.osti.gov/servlets/purl/10158468 https://doi.org/10.2172/10176929 |