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1
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Active sites of sulfided NiMo/Al 2 O 3 catalysts for 4,6-dimethyldibenzothiophene hydrodesulfurization-effects of Ni and Mo components, sulfidation, citric acid and phosphate addition. Catal Today 2017. [DOI: 10.1016/j.cattod.2017.01.040] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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2
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New approach to active sites analysis of molybdenum-containing catalysts for hydrodesulfurization and hydrodenitrogenation based on inverse problem, fractal and site-type analyses. Catal Today 2016. [DOI: 10.1016/j.cattod.2015.09.051] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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3
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Ayala-G M, Puello P E, Quintana P, González-García G, Diaz C. Comparison between alumina supported catalytic precursors and their application in thiophene hydrodesulfurization: (NH4)4[NiMo6O24H6]·5H2O/γ-Al2O3 and NiMoOx/γ-Al2O3 conventional systems. RSC Adv 2015. [DOI: 10.1039/c5ra17695f] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The presulfided catalytic precursors from Anderson-type heteropolyoxomolybdate.
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Affiliation(s)
- Mónica Ayala-G
- Grupo de Investigación en Oxi/Hidrotratamiento Catalítico y Nuevos Materiales
- Programa de Química-Ciencias Básicas Universidad del Atlántico
- Barranquilla
- Colombia
- Departamento de Física Aplicada
| | - Esneyder Puello P
- Grupo de Investigación en Oxi/Hidrotratamiento Catalítico y Nuevos Materiales
- Programa de Química-Ciencias Básicas Universidad del Atlántico
- Barranquilla
- Colombia
- Grupo de investigación en Fotoquímica y Fotobiología
| | - Patricia Quintana
- Departamento de Física Aplicada
- Laboratorio Nacional de Nano y Biomateriales del CINVESTAV del IPN unidad Mérida
- CP. 97310 Mérida
- México
| | - Gerardo González-García
- Departamento de Física Aplicada
- Laboratorio Nacional de Nano y Biomateriales del CINVESTAV del IPN unidad Mérida
- CP. 97310 Mérida
- México
- Departamento de Química
| | - Carlos Diaz
- Grupo de investigación en Fotoquímica y Fotobiología
- Programa de
- Química-Ciencias Básicas Universidad del Atlántico
- Barranquilla
- Colombia
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4
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Hunter S, Gregory DH, Hargreaves JSJ, Richard M, Duprez D, Bion N. A Study of 15N/ 14N Isotopic Exchange over Cobalt Molybdenum Nitrides. ACS Catal 2013; 3:1719-1725. [PMID: 24265977 PMCID: PMC3831547 DOI: 10.1021/cs400336z] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2013] [Revised: 06/20/2013] [Indexed: 11/30/2022]
Abstract
The 14N/15N isotopic exchange pathways over Co3Mo3N, a material of interest as an ammonia synthesis catalyst and for the development of nitrogen transfer reactions, have been investigated. Both the homomolecular and heterolytic exchange processes have been studied, and it has been shown that lattice nitrogen species are exchangeable. The exchange behavior was found to be a strong function of pretreatment with ca. 25% of lattice N atoms being exchanged after 40 min at 600 °C after N2 pretreatment at 700 °C compared to only 6% following similar Ar pretreatment. This observation, for which the potential contribution of adsorbed N species can be discounted, is significant in terms of the application of this material. In the case of the Co6Mo6N phase, regeneration to Co3Mo3N under 15N2 at 600 °C occurs concurrently with 14N15N formation. These observations demonstrate the reactivity of nitrogen in the Co-Mo-N system to be a strong function of pretreatment and worthy of further consideration.
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Affiliation(s)
- Stuart
M. Hunter
- WestCHEM,
School of Chemistry,
Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, U.K
| | - Duncan H. Gregory
- WestCHEM,
School of Chemistry,
Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, U.K
| | - Justin S. J. Hargreaves
- WestCHEM,
School of Chemistry,
Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, U.K
| | - Mélissandre Richard
- University of Poitiers, CNRS UMR 7285
Institut de Chimie des Milieux et Matériaux
de Poitiers (IC2MP), 4 rue Michel Brunet 86022 Poitiers Cedex, France
| | - Daniel Duprez
- University of Poitiers, CNRS UMR 7285
Institut de Chimie des Milieux et Matériaux
de Poitiers (IC2MP), 4 rue Michel Brunet 86022 Poitiers Cedex, France
| | - Nicolas Bion
- University of Poitiers, CNRS UMR 7285
Institut de Chimie des Milieux et Matériaux
de Poitiers (IC2MP), 4 rue Michel Brunet 86022 Poitiers Cedex, France
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5
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Chouzier S, Czeri T, Roy-Auberger M, Pichon C, Geantet C, Vrinat M, Afanasiev P. Decomposition of molybdate–hexamethylenetetramine complex: One single source route for different catalytic materials. J SOLID STATE CHEM 2011. [DOI: 10.1016/j.jssc.2011.08.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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6
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Ishii H, Kiyoshi M, Nagai M. Surface Properties and Active Sites of Nitrided Mo/Al2O3 Catalysts for the Hydrodenitrogenation of Carbazole. Top Catal 2009. [DOI: 10.1007/s11244-009-9293-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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7
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Preparation of Cobalt Nitride from Co–Al Hydrotalcite and its Application in Hydrazine Decomposition. Top Catal 2009. [DOI: 10.1007/s11244-009-9294-1] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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8
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Characterization and performances of cobalt–tungsten and molybdenum–tungsten carbides as anode catalyst for PEFC. Electrochim Acta 2009. [DOI: 10.1016/j.electacta.2008.08.049] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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9
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Deng D, Tang R, Liao X, Shi B. Using collagen fiber as a template to synthesize hierarchical mesoporous alumina fiber. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2008; 24:368-370. [PMID: 18088149 DOI: 10.1021/la702831m] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Hierarchical mesoporous alumina fiber was synthesized by using collagen fiber as the template, and characterized by means of scanning electron microscopy, transmission electron microscopy, N2 adsorption techniques, X-ray photoelectron spectroscopy, and X-ray diffraction. The alumina fiber obtained is approximately 1-4 microm in outer diameter and 0.5-1 mm in length. The pore size distribution of the alumina fiber is narrow (2-20 nm), and its pore size is controllable by varying preparation methods. This study indicates that collagen fiber, which has hierarchical supermolecular structure, could be used as an ideal template to prepare well-defined porous metal oxide fibers.
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Affiliation(s)
- Dehui Deng
- Key Laboratory of Leather Chemistry and Engineering of Ministry of Education, Sichuan University, Chengdu 610065, P. R. China
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10
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11
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Nagai M, Matsuda K. Hydrogen Production from Methane Conversion on Molybdenum Nitride. JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 2006. [DOI: 10.1252/jcej.39.575] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Masatoshi Nagai
- Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology
| | - Kenji Matsuda
- Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology
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12
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Li Y, Fan Y, Luo G. Investigation into the Liquid Selective Hydrogenation of Long Chain Alkadienes on Molybdenum Carbide and Metallic Molybdenum and/or Boride Mixture Prepared by a Thermosynthesis Method at Moderate Temperature. Ind Eng Chem Res 2004. [DOI: 10.1021/ie034193l] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yuanzhi Li
- Department of Chemistry, Three Gorges University, Yichang, Hubei 443000, People's Republic of China, and Department of Chemistry, Laboratory of Mesoscopic Materials and Molecular Engineering, Nanjing University, Nanjing, Jiangsu 210093, People's Republic of China
| | - Yining Fan
- Department of Chemistry, Three Gorges University, Yichang, Hubei 443000, People's Republic of China, and Department of Chemistry, Laboratory of Mesoscopic Materials and Molecular Engineering, Nanjing University, Nanjing, Jiangsu 210093, People's Republic of China
| | - Guangfu Luo
- Department of Chemistry, Three Gorges University, Yichang, Hubei 443000, People's Republic of China, and Department of Chemistry, Laboratory of Mesoscopic Materials and Molecular Engineering, Nanjing University, Nanjing, Jiangsu 210093, People's Republic of China
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13
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Hydrodesulfurization over supported monometallic, bimetallic and promoted carbide and nitride catalysts. Catal Today 2003. [DOI: 10.1016/s0920-5861(03)00411-5] [Citation(s) in RCA: 74] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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14
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Phosphorus-Doped Molybdenum Oxynitrides and Oxygen-Modified Molybdenum Carbides: Synthesis, Characterization, and Determination of Turnover Rates for Propene Hydrogenation. J Catal 2002. [DOI: 10.1006/jcat.2002.3564] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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15
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16
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Hada K, Nagai M, Omi S. Characterization and HDS Activity of Cobalt Molybdenum Nitrides. J Phys Chem B 2001. [DOI: 10.1021/jp002133c] [Citation(s) in RCA: 85] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Kenichiro Hada
- Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology, 2-24 Nakamachi, Koganei, Tokyo 184-8588, Japan
| | - Masatoshi Nagai
- Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology, 2-24 Nakamachi, Koganei, Tokyo 184-8588, Japan
| | - Shinzo Omi
- Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology, 2-24 Nakamachi, Koganei, Tokyo 184-8588, Japan
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17
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Nagai M, Kiyoshi M, Tominaga H, Omi S. Molybdenum Nitride As a Long Lifetime Catalyst for Hydrodesulfurization. CHEM LETT 2000. [DOI: 10.1246/cl.2000.702] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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