1
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Tu Y, Huang L, Cheng X, Tian B, Zhang D, Hu J, Ding H, Xu Q, Ye Y, Zhu J. Modulating Nanoparticle Structure by Metal-Metal Oxide Interfacial Interaction in a CeO 2-Supported Bimetallic System: The Ni-Cu Case. J Phys Chem Lett 2024; 15:4096-4104. [PMID: 38587484 DOI: 10.1021/acs.jpclett.4c00810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/09/2024]
Abstract
Structure-optimized bimetallic and multicomponent catalysts often outperform single-component catalysts, inspiring a detailed investigation of metal-metal and metal-support interactions in the system. We investigated the geometric and electronic structures of ceria-supported Ni-Cu particles prepared using different metal deposition sequences employing a combination of X-ray photoelectron spectroscopy, resonant photoemission spectroscopy, and infrared reflection absorption spectroscopy. The bimetallic model catalyst structure was altered by a distinct surface evolution process determined by the metal deposition sequence. The postdeposited Cu stays on the surface of Ni predeposited CeO2 and forms only a limited Ni-Cu alloy in the Cu-contacted Ni region. However, when Ni is deposited on the Cu predeposited CeO2 surface, Ni can migrate through the Cu layer to the Cu-ceria interface and form an extended Ni-Cu alloy to the whole deposited metal layer on the ceria surface. The dynamic metal diffusion in the CeO2-supported Ni-Cu system indicates that metal-support interactions can be used to achieve the rational design of a bimetallic composition distribution during catalyst preparation.
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Affiliation(s)
- Yi Tu
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, People's Republic of China
| | - Luchao Huang
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, People's Republic of China
| | - Xingwang Cheng
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, People's Republic of China
| | - Bingchu Tian
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, People's Republic of China
| | - Dongling Zhang
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, People's Republic of China
| | - Jun Hu
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, People's Republic of China
| | - Honghe Ding
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, People's Republic of China
| | - Qian Xu
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, People's Republic of China
| | - Yifan Ye
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, People's Republic of China
| | - Junfa Zhu
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, People's Republic of China
- Department of Chemical Physics and Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes, University of Science and Technology of China, Hefei 230026, People's Republic of China
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2
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Xiong H, Dong Y, Hu C, Chen Y, Liu H, Long R, Kong T, Xiong Y. Highly Efficient and Selective Light-Driven Dry Reforming of Methane by a Carbon Exchange Mechanism. J Am Chem Soc 2024; 146:9465-9475. [PMID: 38507822 DOI: 10.1021/jacs.4c02427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2024]
Abstract
Dry reforming of methane (DRM) is a promising technique for converting greenhouse gases (namely, CH4 and CO2) into syngas. However, traditional thermocatalytic processes require high temperatures and suffer from low selectivity and coke-induced instability. Here, we report high-entropy alloys loaded on SrTiO3 as highly efficient and coke-resistant catalysts for light-driven DRM without a secondary source of heating. This process involves carbon exchange between reactants (i.e., CO2 and CH4) and oxygen exchange between CO2 and the lattice oxygen of supports, during which CO and H2 are gradually produced and released. Such a mechanism deeply suppresses the undesired side reactions such as reverse water-gas shift reaction and methane deep dissociation. Impressively, the optimized CoNiRuRhPd/SrTiO3 catalyst achieves ultrahigh activity (15.6/16.0 mol gmetal-1 h-1 for H2/CO production), long-term stability (∼150 h), and remarkable selectivity (∼0.96). This work opens a new avenue for future energy-efficient industrial applications.
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Affiliation(s)
- Hailong Xiong
- Hefei National Research Center for Physical Sciences at the Microscale, Key Laboratory of Precision and Intelligent Chemistry, School of Chemistry and Materials Science, National Synchrotron Radiation Laboratory, School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Yueyue Dong
- Hefei National Research Center for Physical Sciences at the Microscale, Key Laboratory of Precision and Intelligent Chemistry, School of Chemistry and Materials Science, National Synchrotron Radiation Laboratory, School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Canyu Hu
- Hefei National Research Center for Physical Sciences at the Microscale, Key Laboratory of Precision and Intelligent Chemistry, School of Chemistry and Materials Science, National Synchrotron Radiation Laboratory, School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Yihong Chen
- Hefei National Research Center for Physical Sciences at the Microscale, Key Laboratory of Precision and Intelligent Chemistry, School of Chemistry and Materials Science, National Synchrotron Radiation Laboratory, School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Hengjie Liu
- Hefei National Research Center for Physical Sciences at the Microscale, Key Laboratory of Precision and Intelligent Chemistry, School of Chemistry and Materials Science, National Synchrotron Radiation Laboratory, School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Ran Long
- Hefei National Research Center for Physical Sciences at the Microscale, Key Laboratory of Precision and Intelligent Chemistry, School of Chemistry and Materials Science, National Synchrotron Radiation Laboratory, School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Tingting Kong
- Anhui Engineering Research Center of Carbon Neutrality, The Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecular-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241002, China
| | - Yujie Xiong
- Hefei National Research Center for Physical Sciences at the Microscale, Key Laboratory of Precision and Intelligent Chemistry, School of Chemistry and Materials Science, National Synchrotron Radiation Laboratory, School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, Anhui 230026, China
- Suzhou Institute for Advanced Research, University of Science and Technology of China, Suzhou, Jiangsu 215123, China
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3
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Abrokwah RY, Ntow EB, Jennings T, Stevens-Boyd R, Hossain T, Swain J, Bepari S, Hassan S, Mohammad N, Kuila D. Cr and CeO 2 promoted Ni/SBA-15 framework for hydrogen production by steam reforming of glycerol. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:120945-120962. [PMID: 37947933 DOI: 10.1007/s11356-023-30748-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 10/25/2023] [Indexed: 11/12/2023]
Abstract
Ni/SBA-15 meso-structured catalysts modified with chromium and CeO2 (Ni-Cr-CeO2/SBA-15) were utilized to produce hydrogen from glycerol steam reforming (GSR). The catalysts were synthesized by a one-pot hydrothermal process and extensively characterized by analytical techniques such as N2 adsorption-desorption (BET), H2-temperature programmed reduction (H2-TPR), powder X-ray diffraction (PXRD), inductively coupled plasma-optical emission spectrometry (ICP-OES), and transmission electron microscopy (TEM). The low-angle XRD reflections affirmed that the catalysts were crystalline and possessed a 2D-ordered porosity. The BET results depicted that all the catalysts exhibited a good surface area ranging from 633 to 792m2/g, and the pore sizes were consistently in the mesoporous range (between 3 and 5 nm). TEM analysis of both calcined and spent catalysts revealed that the metal active sites were embedded in the hybrid CeO2-SiO2 support. Overall, the Ni-based catalysts exhibited higher glycerol conversion -12Ni-SBA-15-99.9%, 12Ni3CeO2-SBA-15-89.4%, and 8Ni4Cr3CeO2-SBA-15-99.7%. Monometallic 12Ni/SBA-15 performed exceptionally well, while 12Cr/SBA-15 performed poorly with the highest 71.48% CO selectivity. For short-term GSR reactions, CeO2 addition to 12Ni/SBA-15 did not have any effect, whereas Cr addition resulted in a 32% decrease in H2 selectivity. The long-term stability studies of 12Ni-SBA-15 showed H2 selectivity of ~ 64% and ~ 98% glycerol conversion. However, its activity was short-lived. After 20-30 h, the H2 selectivity and conversion dropped precipitously to 40%. The doping of mesoporous Ni/SBA-15 with Cr and CeO2 remarkably enhanced the long-term stability of the catalyst for 12Ni3CeO2-SBA-15, and 8Ni4Cr3CeO2-SBA-15 catalyst which showed ~ 58% H2 selectivity and ~ 100% conversion for the entire 60 h. Interestingly, Cr and CeO2 seem to improve the shelf-life of Ni-SBA-15 via different mechanistic pathways. CeO2 mitigated Ni poisoning through coke oxidation whereas Cr bolstered the catalyst stability via maintaining a well-defined pore size, structural rigidity, and integrity of the heterogeneous framework, thereby restricting structural collapse, and hence retard sintering of the Ni active sites during the long-term 60 h of continuous reaction. Hydrogen generation from renewable biomass like glycerol could potentially serve as a sustainable energy source and could substantially help reduce the carbon footprint of the environment.
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Affiliation(s)
- Richard Y Abrokwah
- Chemistry Department, North Carolina A&T State University, Greensboro, NC, 27411, USA.
- Applied Sciences and Technology, North Carolina A&T State University, Greensboro, NC, 27411, USA.
| | - Eric B Ntow
- Chemistry Department, North Carolina A&T State University, Greensboro, NC, 27411, USA
| | - Terrence Jennings
- Chemistry Department, North Carolina A&T State University, Greensboro, NC, 27411, USA
| | - Robert Stevens-Boyd
- Joint School of Nanoscience and Nanoengineering, North Carolina A&T State University, Greensboro, NC, 27411, USA
| | - Tashfin Hossain
- Chemistry Department, North Carolina A&T State University, Greensboro, NC, 27411, USA
| | - John Swain
- Chemistry Department, North Carolina A&T State University, Greensboro, NC, 27411, USA
| | - Sujoy Bepari
- Chemistry Department, North Carolina A&T State University, Greensboro, NC, 27411, USA
| | - Saif Hassan
- Chemistry Department, North Carolina A&T State University, Greensboro, NC, 27411, USA
| | - Nafeezuddin Mohammad
- Joint School of Nanoscience and Nanoengineering, North Carolina A&T State University, Greensboro, NC, 27411, USA
| | - Debasish Kuila
- Chemistry Department, North Carolina A&T State University, Greensboro, NC, 27411, USA
- Applied Sciences and Technology, North Carolina A&T State University, Greensboro, NC, 27411, USA
- Joint School of Nanoscience and Nanoengineering, North Carolina A&T State University, Greensboro, NC, 27411, USA
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4
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Zhang Y, Hou Q, Wang S, Xu E, Zhao S, Li F, Yang Y, Wei M. Metal-Acid Interface Engineering in Pd-WO x Bifunctional Catalysts for the Hydroalkylation Tandem Reaction of Benzene. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37418596 DOI: 10.1021/acsami.3c05799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/09/2023]
Abstract
The hydroalkylation tandem reaction of benzene to cyclohexylbenzene (CHB) provides an atom economy route for conversion and utilization of benzene; yet, it presents significant challenges in activity and selectivity control. In this work, we report a metal-support synergistic catalyst prepared via calcination of W-precursor-containing montmorillonite (MMT) followed by Pd loading (denoted as Pd-mWOx/MMT, m = 5, 15, and 25 wt %), which shows excellent catalytic performance for hydroalkylation of benzene. A combination study (X-ray diffraction (XRD), hydrogen-temperature programmed reduction (H2-TPR), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), UV-vis, Raman, and density functional theory (DFT) calculations) confirms the formation of interfacial sites Pd-(WOx)-H, whose concentration is dependent on the interaction between Pd and WOx. The optimized catalyst (Pd-15WOx/MMT) exhibits a CHB yield of up to 45.1% under a relatively low hydrogen pressure, which stands at the highest level among state-of-the-art catalysts. Investigations on the structure-property correlation based on in situ FT-IR and control experiments further verify that the Pd-(WOx)-H structure serves as the dual-active site: the interfacial Pd site accelerates benzene hydrogenation to cyclohexene (CHE), while the interfacial Bronsted (B) acid site in Pd-(WOx)-H boosts the alkylation of benzene and CHE to CHB. This study offers a new strategy for the design and preparation of metal-acid bifunctional catalysts, which shows potential application in the hydroalkylation reaction of benzene.
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Affiliation(s)
- Yuanjing Zhang
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Quandong Hou
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Si Wang
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Enze Xu
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Shiquan Zhao
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Feng Li
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Yusen Yang
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Min Wei
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
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5
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Mojica Sepúlveda RD, Mendoza Herrera LJ, Vetere V, Soria DB, Grumel EE, Cabello CI, Trivi M, Tebaldi MC. Influence of Physicochemical Properties of Ni/Clinoptilolite Catalysts in the Hydrogenation of Acetophenone. ACS OMEGA 2023; 8:4727-4735. [PMID: 36777608 PMCID: PMC9909802 DOI: 10.1021/acsomega.2c06712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 01/20/2023] [Indexed: 06/18/2023]
Abstract
Heterogeneous catalytic hydrogenation is an interesting alternative to conventional methods that use inorganic hydrides. The hydrogenation of acetophenone under heterogeneous conditions with the supported catalysts based on Ni is the most useful due to its redox properties and lower cost. As is well-known, catalyst support can significantly affect catalyst performance. We have investigated the influence of various physical-chemical parameters on the selective reaction of the hydrogenation of acetophenone by using different nickel catalysts on clinoptilolite supports, in four different forms: natural, previously modified with NH3 (Ni/Z+NH4 +), with HNO3 (Ni/Z+H+), and thermally treated (Ni/Z 500 °C). In particular, our work focuses on determining the influence of the mentioned physical-chemical parameters on the percentages of conversion and the selectivity of the catalysis. This study aims to identify the combination of parameters that allows for obtaining the best catalytic results. The identification of the physical-chemical parameters that determine the percentages of conversion and selectivity allows us to design optimal catalysts.
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Affiliation(s)
- Ruth D. Mojica Sepúlveda
- Centro
de Investigaciones Ópticas (CONICET La Plata-CIC-UNLP), La Plata1900, Argentina
- Departamento
de Ciencias Básicas, Facultad de Ingeniería, Universidad Nacional de La Plata, La Plata1900, Argentina
| | - Luis J. Mendoza Herrera
- Centro
de Investigaciones Ópticas (CONICET La Plata-CIC-UNLP), La Plata1900, Argentina
- Departamento
de Ciencias Básicas, Facultad de Ingeniería, Universidad Nacional de La Plata, La Plata1900, Argentina
| | - Virginia Vetere
- Centro
de Investigación y Desarrollo en Ciencias Aplicadas, Dr. J. J. Ronco (CONICET La Plata-UNLP), La Plata1900, Argentina
| | - Delia B. Soria
- Departamento
de Ciencias Básicas, Facultad de Ingeniería, Universidad Nacional de La Plata, La Plata1900, Argentina
- Centro
de Química Inorgánica, (CONICET La Plata-UNLP), La Plata1900, Argentina
| | - Eduardo E. Grumel
- Centro
de Investigaciones Ópticas (CONICET La Plata-CIC-UNLP), La Plata1900, Argentina
- Departamento
de Ciencias Básicas, Facultad de Ingeniería, Universidad Nacional de La Plata, La Plata1900, Argentina
| | - Carmen I. Cabello
- Centro
de Investigación y Desarrollo en Ciencias Aplicadas, Dr. J. J. Ronco (CONICET La Plata-UNLP), La Plata1900, Argentina
- Facultad
de Ingeniería, Universidad Nacional
de La Plata, La Plata1900, Argentina
| | - Marcelo Trivi
- Centro
de Investigaciones Ópticas (CONICET La Plata-CIC-UNLP), La Plata1900, Argentina
- Departamento
de Ciencias Básicas, Facultad de Ingeniería, Universidad Nacional de La Plata, La Plata1900, Argentina
| | - Myrian C. Tebaldi
- Centro
de Investigaciones Ópticas (CONICET La Plata-CIC-UNLP), La Plata1900, Argentina
- Departamento
de Ciencias Básicas, Facultad de Ingeniería, Universidad Nacional de La Plata, La Plata1900, Argentina
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6
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Supported Ni2P catalysts derived from nickel phyllosilicate with enhanced hydrodesulfurization performance. J Catal 2023. [DOI: 10.1016/j.jcat.2023.01.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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7
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Zhang X, Deng J, Lan T, Shen Y, Zhong Q, Ren W, Zhang D. Promoting Methane Dry Reforming over Ni Catalysts via Modulating Surface Electronic Structures of BN Supports by Doping Carbon. ACS Catal 2022. [DOI: 10.1021/acscatal.2c04800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Xiaoyu Zhang
- State Key Laboratory of Advanced Special Steel, School of Materials Science and Engineering, International Joint Laboratory of Catalytic Chemistry, College of Sciences, Shanghai University, 200444 Shanghai, China
| | - Jiang Deng
- State Key Laboratory of Advanced Special Steel, School of Materials Science and Engineering, International Joint Laboratory of Catalytic Chemistry, College of Sciences, Shanghai University, 200444 Shanghai, China
| | - Tianwei Lan
- State Key Laboratory of Advanced Special Steel, School of Materials Science and Engineering, International Joint Laboratory of Catalytic Chemistry, College of Sciences, Shanghai University, 200444 Shanghai, China
| | - Yongjie Shen
- State Key Laboratory of Advanced Special Steel, School of Materials Science and Engineering, International Joint Laboratory of Catalytic Chemistry, College of Sciences, Shanghai University, 200444 Shanghai, China
| | - Qingdong Zhong
- State Key Laboratory of Advanced Special Steel, School of Materials Science and Engineering, International Joint Laboratory of Catalytic Chemistry, College of Sciences, Shanghai University, 200444 Shanghai, China
| | - Wei Ren
- State Key Laboratory of Advanced Special Steel, School of Materials Science and Engineering, International Joint Laboratory of Catalytic Chemistry, College of Sciences, Shanghai University, 200444 Shanghai, China
| | - Dengsong Zhang
- State Key Laboratory of Advanced Special Steel, School of Materials Science and Engineering, International Joint Laboratory of Catalytic Chemistry, College of Sciences, Shanghai University, 200444 Shanghai, China
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8
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Rumptz JR, Zhao K, Mayo J, Campbell CT. Size-Dependent Energy of Ni Nanoparticles on Graphene Films on Ni(111) and Adhesion Energetics by Adsorption Calorimetry. ACS Catal 2022. [DOI: 10.1021/acscatal.2c02765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- John R. Rumptz
- Department of Chemical Engineering, and University of Washington, Seattle, Washington 98105-1700, United States
| | - Kun Zhao
- Department of Chemistry, and University of Washington, Seattle, Washington 98105-1700, United States
| | - Jackson Mayo
- Department of Chemistry, and University of Washington, Seattle, Washington 98105-1700, United States
| | - Charles T. Campbell
- Department of Chemical Engineering, and University of Washington, Seattle, Washington 98105-1700, United States
- Department of Chemistry, and University of Washington, Seattle, Washington 98105-1700, United States
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9
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Wu J, Ye R, Xu DJ, Wan L, Reina TR, Sun H, Ni Y, Zhou ZF, Deng X. Emerging natural and tailored perovskite-type mixed oxides–based catalysts for CO2 conversions. Front Chem 2022; 10:961355. [PMID: 35991607 PMCID: PMC9388861 DOI: 10.3389/fchem.2022.961355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Accepted: 07/01/2022] [Indexed: 11/13/2022] Open
Abstract
The rapid economic and societal development have led to unprecedented energy demand and consumption resulting in the harmful emission of pollutants. Hence, the conversion of greenhouse gases into valuable chemicals and fuels has become an urgent challenge for the scientific community. In recent decades, perovskite-type mixed oxide-based catalysts have attracted significant attention as efficient CO2 conversion catalysts due to the characteristics of both reversible oxygen storage capacity and stable structure compared to traditional oxide-supported catalysts. In this review, we hand over a comprehensive overview of the research for CO2 conversion by these emerging perovskite-type mixed oxide-based catalysts. Three main CO2 conversions, namely reverse water gas shift reaction, CO2 methanation, and CO2 reforming of methane have been introduced over perovskite-type mixed oxide-based catalysts and their reaction mechanisms. Different approaches for promoting activity and resisting carbon deposition have also been discussed, involving increased oxygen vacancies, enhanced dispersion of active metal, and fine-tuning strong metal-support interactions. Finally, the current challenges are mooted, and we have proposed future research prospects in this field to inspire more sensational breakthroughs in the material and environment fields.
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Affiliation(s)
- Juan Wu
- Institute of Cotton, Anhui Academy of Agricultural Sciences, Hefei, China
| | - Runping Ye
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, Institute of Applied Chemistry, School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, China
- *Correspondence: Runping Ye, ; Zhang-Feng Zhou, ; Xiaonan Deng,
| | - Dong-Jie Xu
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, China
| | - Lingzhong Wan
- Institute of Cotton, Anhui Academy of Agricultural Sciences, Hefei, China
| | - Tomas Ramirez Reina
- Department of Chemical and Process Engineering, University of Surrey, Guildford, United Kingdom
- Department of Inorganic Chemistry and Materials Sciences Institute, University of Seville-CSIC, Seville, Spain
| | - Hui Sun
- Institute of Cotton, Anhui Academy of Agricultural Sciences, Hefei, China
| | - Ying Ni
- Institute of Cotton, Anhui Academy of Agricultural Sciences, Hefei, China
| | - Zhang-Feng Zhou
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, China
- *Correspondence: Runping Ye, ; Zhang-Feng Zhou, ; Xiaonan Deng,
| | - Xiaonan Deng
- Institute of Cotton, Anhui Academy of Agricultural Sciences, Hefei, China
- *Correspondence: Runping Ye, ; Zhang-Feng Zhou, ; Xiaonan Deng,
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10
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Chatla A, Almanassra IW, Kallem P, Atieh MA, Alawadhi H, Akula V, Banat F. Dry (CO2) reforming of methane over zirconium promoted Ni-MgO mixed oxide catalyst: Effect of Zr addition. J CO2 UTIL 2022. [DOI: 10.1016/j.jcou.2022.102082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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11
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Nkulikiyinka P, Wagland ST, Manovic V, Clough PT. Prediction of Combined Sorbent and Catalyst Materials for SE-SMR, Using QSPR and Multitask Learning. Ind Eng Chem Res 2022; 61:9218-9233. [PMID: 35818477 PMCID: PMC9264356 DOI: 10.1021/acs.iecr.2c00971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
![]()
The process of sorption
enhanced steam methane reforming (SE-SMR)
is an emerging technology for the production of low carbon hydrogen.
The development of a suitable catalytic material, as well as a CO2 adsorbent with high capture capacity, has slowed the upscaling
of this process to date. In this study, to aid the development of
a combined sorbent catalyst material (CSCM) for SE-SMR, a novel approach
involving quantitative structure–property relationship analysis
(QSPR) has been proposed. Through data-mining, two databases have
been developed for the prediction of the last cycle capacity (gCO2/gsorbent) and methane conversion
(%). Multitask learning (MTL) was applied for the prediction of CSCM
properties. Patterns in the data of this study have also yielded further
insights; colored scatter plots were able to show certain patterns
in the input data, as well as suggestions on how to develop an optimal
material. With the results from the actual vs predicted plots collated,
raw materials and synthesis conditions were proposed that could lead
to the development of a CSCM that has good performance with respect
to both the last cycle capacity and the methane conversion.
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Affiliation(s)
- Paula Nkulikiyinka
- Energy and Power Theme, School of Water, Energy and Environment, Cranfield University, Cranfield, Bedfordshire MK43 0AL, U.K
| | - Stuart T. Wagland
- Energy and Power Theme, School of Water, Energy and Environment, Cranfield University, Cranfield, Bedfordshire MK43 0AL, U.K
| | - Vasilije Manovic
- Energy and Power Theme, School of Water, Energy and Environment, Cranfield University, Cranfield, Bedfordshire MK43 0AL, U.K
| | - Peter T. Clough
- Energy and Power Theme, School of Water, Energy and Environment, Cranfield University, Cranfield, Bedfordshire MK43 0AL, U.K
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12
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Effect of surface properties of Ni-MgO-Al2O3 catalyst for simultaneous H2 production and CO2 utilization using dry reforming of coke oven gas. Catal Today 2022. [DOI: 10.1016/j.cattod.2022.07.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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13
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β-Cyclodextrin promoted the formation of copper phyllosilicate on Cu-SiO2 microspheres catalysts to enhance the low-temperature hydrogenation of dimethyl oxalate. J Catal 2022. [DOI: 10.1016/j.jcat.2022.07.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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14
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Niu J, Liu H, Jin Y, Fan B, Qi W, Ran J. A density functional theory study of methane activation on MgO supported Ni9M1 cluster: role of M on C-H activation. Front Chem Sci Eng 2022. [DOI: 10.1007/s11705-022-2169-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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15
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Ni/CeO2 Catalyst Prepared via Microimpinging Stream Reactor with High Catalytic Performance for CO2 Dry Reforming Methane. Catalysts 2022. [DOI: 10.3390/catal12060606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Methane reforming with carbon dioxide (DRM) is one promising way to achieve carbon neutrality and convert methane to syngas for high-value chemical production. Catalyst development with better performance is the key to its potential large-scale industrial application due to its deactivation caused by carbon deposition and metal sintering. Hence, a Ni/CeO2 catalyst (Ni/CeO2-M) with higher CO2 conversion and better stability is prepared, supported on CeO2 precipitated via a novel microimpinging stream reactor. A series of ex-situ or in-situ characterizations, such as CO titration measurements, two-step transient surface reaction (two-step TSR), CO2 and CH4 temperature-programmed surface reaction (CO2-TPSR and CH4-TPSR), X-ray absorption fine structure (XAFS), and in-situ Raman spectroscopy study, were used to investigate its structure and mechanism. In contrast to Ni supported on commercial CeO2 (Ni/CeO2-C), the Ni/CeO2-M catalyst with stronger lattice oxygen mobility and higher oxygen storage capacity enhances its CO2 activation ability and carbon deposition. The Ni particle size of the Ni/CeO2-M catalyst decreased, and a higher oxidation state was obtained due to the strong metal–support interaction. Besides the reaction performance improvement of the Ni/CeO2-M catalyst, the novel microimpinging stream reactor could achieve catalyst continuous production with a high preparation efficiency. This work provides a novel method for the high-performance catalyst preparation for DRM reaction and its mechanism study gives a deep insight into high-performance catalyst development via bottom-up study.
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16
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Lyu Y, Wang P, Liu D, Zhang F, Senftle TP, Zhang G, Zhang Z, Wang J, Liu W. Tracing the Active Phase and Dynamics for Carbon Nanofiber Growth on Nickel Catalyst Using Environmental Transmission Electron Microscopy. SMALL METHODS 2022; 6:e2200235. [PMID: 35484478 DOI: 10.1002/smtd.202200235] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 03/30/2022] [Indexed: 06/14/2023]
Abstract
Benefitting from outstanding ability of CC reforming and hydrogen activation, nickel is widely applied for heterogeneous catalysis or producing high-quality carbon structures. This high activity simultaneously induces uncontrollable carbon formation, known as coking. However, the activity origin for growing carbon species remains in debate between the on metallic facets induction and nickel carbide segregation. Herein, carbon growth on Ni catalyst is tracked via in situ microscopy methods. Evidence derived from high-resolution transmission electron microscopy imaging, diffraction, and energy loss spectroscopy unambiguously identifies Ni3 C as the active phase, as opposed to metallic Ni nickel or surface carbides as traditionally believed. Specifically, Ni3 C particle grows carbon nanofibers (CNF) layer-by-layer through synchronized oscillation of tip stretch and atomic step fluctuations. There is an anisotropic stress distribution in Ni3 C that provides the lifting force during nanofiber growth. Density functional theory computations show that it is thermodynamically favorable for Ni3 C to decompose into Ni and surface-adsorbed carbon. Carbonaceous deposits aggregate asymmetrically round the particle because partial surface is exposed to the hydrocarbon environment whereas the bottom side is shielded by the support. This induces a carbon concentration gradient within the particle, which drives C migration through Ni3 C phase before it exits as CNF growth.
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Affiliation(s)
- Yiqiang Lyu
- Key Laboratory for Precision and Non-Traditional Machining Technology of Ministry of Education, Dalian University of Technology, 2 Linggong Road, Dalian, 116024, China
- Division of Energy Research Resources, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, Liaoning, 116023, China
| | - Peng Wang
- Department of Chemical and Biomolecular Engineering, Rice University, Houston, TX, 77005, USA
| | - Dongdong Liu
- Key Laboratory for Precision and Non-Traditional Machining Technology of Ministry of Education, Dalian University of Technology, 2 Linggong Road, Dalian, 116024, China
- Division of Energy Research Resources, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, Liaoning, 116023, China
| | - Fan Zhang
- Division of Energy Research Resources, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, Liaoning, 116023, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Thomas P Senftle
- Department of Chemical and Biomolecular Engineering, Rice University, Houston, TX, 77005, USA
| | - Guanghui Zhang
- State Key Laboratory of Fine Chemicals, PSU-DUT Joint Center for Energy Re-search, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, China
| | - Zhenyu Zhang
- Key Laboratory for Precision and Non-Traditional Machining Technology of Ministry of Education, Dalian University of Technology, 2 Linggong Road, Dalian, 116024, China
| | - Jianmei Wang
- School of Mechanical Engineering, Taiyuan University of Science and Technology, Taiyuan, 030024, China
| | - Wei Liu
- Division of Energy Research Resources, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, Liaoning, 116023, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
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17
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Pinaeva LG, Noskov AS. Modern Level of Catalysts and Technologies for the Conversion of Natural Gas into Syngas. CATALYSIS IN INDUSTRY 2022. [DOI: 10.1134/s2070050422010081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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18
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Sainju R, Rathnayake D, Tan H, Bollas G, Dongare AM, Suib SL, Zhu Y. In Situ Studies of Single-Nanoparticle-Level Nickel Thermal Oxidation: From Early Oxide Nucleation to Diffusion-Balanced Oxide Thickening. ACS NANO 2022; 16:6468-6479. [PMID: 35413193 DOI: 10.1021/acsnano.2c00742] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
High-temperature oxidation mechanisms of metallic nanoparticles have been extensively investigated; however, it is challenging to determine whether the kinetic modeling is applicable at the nanoscale and how the differences in nanoparticle size influence the oxidation mechanisms. In this work, we study thermal oxidation of pristine Ni nanoparticles ranging from 4 to 50 nm in 1 bar 1%O2/N2 at 600 °C using in situ gas-cell environmental transmission electron microscopy. Real-space in situ oxidation videos revealed an unexpected nanoparticle surface refacetting before oxidation and a strong Ni nanoparticle size dependence, leading to distinct structural development during the oxidation and different final NiO morphology. By quantifying the NiO thickness/volume change in real space, individual nanoparticle-level oxidation kinetics was established and directly correlated with nanoparticle microstructural evolution with specified fast and slow oxidation directions. Thus, for the size-dependent Ni nanoparticle oxidation, we propose a unified oxidation theory with a two-stage oxidation process: stage 1: dominated by the early NiO nucleation (Avrami-Erofeev model) and stage 2: the Wagner diffusion-balanced NiO shell thickening (Wanger model). In particular, to what extent the oxidation would proceed into stage 2 dictates the final NiO morphology, which depends on the Ni starting radius with respect to the critical thickness under given oxidation conditions. The overall oxidation duration is controlled by both the diffusivity of Ni2+ in NiO and the Ni in Ni self-diffusion. We also compare the single-particle kinetic curve with the collective one and discuss the effects of nanoparticle size differences on kinetic model analysis.
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19
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Oxygen defective bimodal porous Ni-CeO2−x-MgO-Al2O3 catalyst with multi-void spherical structure for CO2 reforming of CH4. J CO2 UTIL 2022. [DOI: 10.1016/j.jcou.2022.101917] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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20
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Prospects and Technical Challenges in Hydrogen Production through Dry Reforming of Methane. Catalysts 2022. [DOI: 10.3390/catal12040363] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Environmental issues related to greenhouse gases (GHG) emissions have pushed the development of new technologies that will allow the economic production of low-carbon energy vectors, such as hydrogen (H2), methane (CH4) and liquid fuels. Dry reforming of methane (DRM) has gained increased attention since it uses CH4 and carbon dioxide (CO2), which are two main greenhouse gases (GHG), as feedstock for the production of syngas, which is a mixture of H2 and carbon monoxide (CO) and can be used as a building block for the production of fuels. Since H2 has been identified as a key enabler of the energy transition, a lot of studies have aimed to benefit from the environmental advantages of DRM and to use it as a pathway for a sustainable H2 production. However, there are several challenges related to this process and to its use for H2 production, such as catalyst deactivation and the low H2/CO ratio of the syngas produced, which is usually below 1.0. This paper presents the recent advances in the catalyst development for H2 production via DRM, the processes that could be combined with DRM to overcome these challenges and the current industrial processes using DRM. The objective is to assess in which conditions DRM could be used for H2 production and the gaps in literature data preventing better evaluation of the environmental and economic potential of this process.
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21
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Wang Y, Zhu S, He S, Lu J, Liu J, Lu H, Song D, Luo Y. Nanoarchitectonics of Ni/CeO 2 Catalysts: The Effect of Pretreatment on the Low-Temperature Steam Reforming of Glycerol. NANOMATERIALS 2022; 12:nano12050816. [PMID: 35269304 PMCID: PMC8912685 DOI: 10.3390/nano12050816] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 02/18/2022] [Accepted: 02/23/2022] [Indexed: 02/05/2023]
Abstract
CeO2 nanosphere-supported nickel catalysts were prepared by the wetness impregnation method and employed for hydrogen production from glycerol steam reforming. The dried catalyst precursors were either reduced by H2 after thermal calcination or reduced by H2 directly without calcination. The catalysts that were reduced by H2 without calcination achieved a 95% glycerol conversion at a reaction temperature of only 475 °C, and the catalytic stability was up to 35 h. However, the reaction temperature required of catalysts reduced by H2 with calcination was 500 °C, and the catalysts was rapidly inactivated after 25 h of reaction. A series of physicochemical characterization revealed that direct H2 reduction without calcination enhanced the concentration of oxygen vacancies. Thus, the nickel dispersion was improved, the nickel nanoparticle size was reduced, and the reduction of nickel was increased. Moreover, the high concentration of oxygen vacancy not only contributed to the increase of H2 yield, but also effectively reduced the amount of carbon deposition. The increased active nickel surface area and oxygen vacancies synergistically resulted in the superior catalytic performance for the catalyst that was directly reduced by H2 without calcination. The simple, direct hydrogen reduction method remarkably boosts catalytic performance. This strategy can be extended to other supports with redox properties and applied to heterogeneous catalytic reactions involving resistance to sintering and carbon deposition.
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Affiliation(s)
- Yunzhu Wang
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China; (Y.W.); (S.Z.); (J.L.); (J.L.); (H.L.); (D.S.)
- The Innovation Team for Volatile Organic Compounds Pollutants Control and Resource Utilization of Yunnan Province, Kunming 650500, China
- The Higher Educational Key Laboratory for Odorous Volatile Organic Compounds Pollutants Control of Yunnan Province, Kunming 650500, China
| | - Songshan Zhu
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China; (Y.W.); (S.Z.); (J.L.); (J.L.); (H.L.); (D.S.)
- The Innovation Team for Volatile Organic Compounds Pollutants Control and Resource Utilization of Yunnan Province, Kunming 650500, China
- The Higher Educational Key Laboratory for Odorous Volatile Organic Compounds Pollutants Control of Yunnan Province, Kunming 650500, China
| | - Sufang He
- Research Center for Analysis and Measurement, Kunming University of Science and Technology, Kunming 650093, China
- Correspondence: (S.H.); (Y.L.); Tel./Fax: +86-871-65103845 (Y.L.)
| | - Jichang Lu
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China; (Y.W.); (S.Z.); (J.L.); (J.L.); (H.L.); (D.S.)
- The Innovation Team for Volatile Organic Compounds Pollutants Control and Resource Utilization of Yunnan Province, Kunming 650500, China
- The Higher Educational Key Laboratory for Odorous Volatile Organic Compounds Pollutants Control of Yunnan Province, Kunming 650500, China
| | - Jiangping Liu
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China; (Y.W.); (S.Z.); (J.L.); (J.L.); (H.L.); (D.S.)
- The Innovation Team for Volatile Organic Compounds Pollutants Control and Resource Utilization of Yunnan Province, Kunming 650500, China
- The Higher Educational Key Laboratory for Odorous Volatile Organic Compounds Pollutants Control of Yunnan Province, Kunming 650500, China
| | - Huihui Lu
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China; (Y.W.); (S.Z.); (J.L.); (J.L.); (H.L.); (D.S.)
- The Innovation Team for Volatile Organic Compounds Pollutants Control and Resource Utilization of Yunnan Province, Kunming 650500, China
- The Higher Educational Key Laboratory for Odorous Volatile Organic Compounds Pollutants Control of Yunnan Province, Kunming 650500, China
| | - Di Song
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China; (Y.W.); (S.Z.); (J.L.); (J.L.); (H.L.); (D.S.)
- The Innovation Team for Volatile Organic Compounds Pollutants Control and Resource Utilization of Yunnan Province, Kunming 650500, China
- The Higher Educational Key Laboratory for Odorous Volatile Organic Compounds Pollutants Control of Yunnan Province, Kunming 650500, China
| | - Yongming Luo
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China; (Y.W.); (S.Z.); (J.L.); (J.L.); (H.L.); (D.S.)
- The Innovation Team for Volatile Organic Compounds Pollutants Control and Resource Utilization of Yunnan Province, Kunming 650500, China
- The Higher Educational Key Laboratory for Odorous Volatile Organic Compounds Pollutants Control of Yunnan Province, Kunming 650500, China
- Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming 650500, China
- Correspondence: (S.H.); (Y.L.); Tel./Fax: +86-871-65103845 (Y.L.)
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22
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Highly dispersible cerium-oxide modified Ni/SBA-15 for steam reforming of bio-mass based JP10. Chin J Chem Eng 2022. [DOI: 10.1016/j.cjche.2022.01.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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23
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Improving Coking Resistance and Catalytic Performance of Ni Catalyst from LaNiO3 Perovskite by Dispersion on SBA-15 Mesoporous Silica for Hydrogen Production by Steam Reforming of Ethanol. Top Catal 2021. [DOI: 10.1007/s11244-021-01533-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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24
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Wang Y, Zhu S, Zheng X, Lu J, Zhao Y, He S, Lu H, Luo Y. Tuning Metal‐Support Interaction and Surface Acidic Sites of Ni/Al
2
O
3
by Dopamine Modification for Glycerol Steam Reforming. ChemCatChem 2021. [DOI: 10.1002/cctc.202101150] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yunzhu Wang
- Faculty of Environmental Science and Engineering Kunming University of Science and Technology Kunming 650500 P. R China
- The Innovation Team for Volatile Organic Compounds Pollutants Control and Resource Utilization of Yunnan Province Kunming 650500 P. R. China
- The Higher Educational Key Laboratory for Odorous Volatile Organic Compounds Pollutants Control of Yunnan Province Kunming 650500 P. R. China
| | - Songshan Zhu
- Faculty of Environmental Science and Engineering Kunming University of Science and Technology Kunming 650500 P. R China
- The Innovation Team for Volatile Organic Compounds Pollutants Control and Resource Utilization of Yunnan Province Kunming 650500 P. R. China
- The Higher Educational Key Laboratory for Odorous Volatile Organic Compounds Pollutants Control of Yunnan Province Kunming 650500 P. R. China
| | - Xiangqian Zheng
- Faculty of Environmental Science and Engineering Kunming University of Science and Technology Kunming 650500 P. R China
- Xishuangbanna Prefecture Comprehensive Testing Center for Quality and technical supervision Jinghong 666100 P. R. China
| | - Jichang Lu
- Faculty of Environmental Science and Engineering Kunming University of Science and Technology Kunming 650500 P. R China
- The Innovation Team for Volatile Organic Compounds Pollutants Control and Resource Utilization of Yunnan Province Kunming 650500 P. R. China
- The Higher Educational Key Laboratory for Odorous Volatile Organic Compounds Pollutants Control of Yunnan Province Kunming 650500 P. R. China
| | - Yi Zhao
- Faculty of Environmental Science and Engineering Kunming University of Science and Technology Kunming 650500 P. R China
- The Innovation Team for Volatile Organic Compounds Pollutants Control and Resource Utilization of Yunnan Province Kunming 650500 P. R. China
- The Higher Educational Key Laboratory for Odorous Volatile Organic Compounds Pollutants Control of Yunnan Province Kunming 650500 P. R. China
| | - Sufang He
- Research Center for Analysis and Measurement Kunming University of Science and Technology Kunming 650093 P. R. China
- The Innovation Team for Volatile Organic Compounds Pollutants Control and Resource Utilization of Yunnan Province Kunming 650500 P. R. China
- The Higher Educational Key Laboratory for Odorous Volatile Organic Compounds Pollutants Control of Yunnan Province Kunming 650500 P. R. China
| | - Huihui Lu
- Faculty of Environmental Science and Engineering Kunming University of Science and Technology Kunming 650500 P. R China
- The Innovation Team for Volatile Organic Compounds Pollutants Control and Resource Utilization of Yunnan Province Kunming 650500 P. R. China
- The Higher Educational Key Laboratory for Odorous Volatile Organic Compounds Pollutants Control of Yunnan Province Kunming 650500 P. R. China
| | - Yongming Luo
- Faculty of Environmental Science and Engineering Kunming University of Science and Technology Kunming 650500 P. R China
- Faculty of chemical engineering Kunming University of Science and Technology Kunming 650500 P. R. China
- The Innovation Team for Volatile Organic Compounds Pollutants Control and Resource Utilization of Yunnan Province Kunming 650500 P. R. China
- The Higher Educational Key Laboratory for Odorous Volatile Organic Compounds Pollutants Control of Yunnan Province Kunming 650500 P. R. China
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25
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Meng Z, Wang Z. The Effect of Different Promoters (La 2O 3, CeO 2, and ZrO 2) on the Catalytic Activity of the Modified Vermiculite-Based Bimetallic NiCu/EXVTM-SiO 2 Catalyst in Methane Dry Reforming. ACS OMEGA 2021; 6:29651-29658. [PMID: 34778636 PMCID: PMC8587639 DOI: 10.1021/acsomega.1c03959] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Accepted: 10/13/2021] [Indexed: 06/13/2023]
Abstract
An X-NiCu/EXVTM-SiO2 (X = La, Ce, and Zr) catalyst was successfully prepared by using modified vermiculite as a support by the impregnation method. This experiment investigated the effects of La2O3, CeO2, and ZrO2 promoters on the activity of the NiCu/EXVTM-SiO2 catalyst. The study found that the addition of three different metal oxides did not improve the activity of the NiCu/EXVTM-SiO2 catalyst. On the contrary, some Ni active sites were covered by the promoter, which reduced the number of active sites, resulting in its catalytic activity lower than NiCu/EXVTM-SiO2. In addition, the promoted catalysts that were repeatedly calcined two times can significantly reduce the textural property as well as active sites of the catalyst, resulting in the lower activity. However, in X-NiCu/EXVTM-SiO2, Ce-NiCu/EXVTM-SiO2 showed relatively high initial catalytic activity, with the initial conversion rate of CH4 reaching 60.1% and the initial conversion rate of CO2 reaching 89.1%. This is mainly because the catalyst has a stronger basic site on the surface to facilitate the adsorption of CO2 molecules, and the smaller metal particle size is also conducive to the cleavage of C-H bonds.
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26
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Xiao Z, Hou F, Zhang J, Zheng Q, Xu J, Pan L, Wang L, Zou J, Zhang X, Li G. Methane Dry Reforming by Ni-Cu Nanoalloys Anchored on Periclase-Phase MgAlO x Nanosheets for Enhanced Syngas Production. ACS APPLIED MATERIALS & INTERFACES 2021; 13:48838-48854. [PMID: 34613699 DOI: 10.1021/acsami.1c14918] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Stable and efficient syngas production via methane dry reforming is highly desirable as it utilizes two greenhouse gases simultaneously. In this work, active Ni-Cu nanoalloys stably anchored on periclase-phase MgAlOx nanosheets were successfully synthesized by a hydrothermal method. These highly dispersed small Ni-Cu alloys strongly interacted with the periclase-phase MgAlOx nanosheets, on which abundant base sites were accessible. On the optimal catalyst (6Ni6CuMgAl-S), methane and carbon dioxide conversion always reached 85 and 90% at 700 °C under a gas hour speed velocity of 40,000 mL/gcat h for more than 70 h. The hydrogen production rate was maintained at 1.8 mmol/min, and the ratio of H2/CO was kept at approximately 0.96 under a CH4 and CO2 flow rate of 25 mL/min. Coke deposition and Ni sintering were effectively suppressed by the formation of a Ni-Cu alloy, the laminar structure, and the periclase phase of the MgAlOx support. Moreover, the alloy nanoparticles were reconstructed into a segregated Ni-Cu alloy structure in response to the reaction environment, and this structure was more stable and still active. Density functional theory calculations showed that carbon adsorption was inhibited on the segregated Ni-Cu alloy. Furthermore, the experimental thermogravimetric and O2-TPO results confirmed the significant decrease in carbon deposition on the Ni-Cu alloy catalysts.
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Affiliation(s)
- Zhourong Xiao
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Fang Hou
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Junjie Zhang
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Qiancheng Zheng
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Jisheng Xu
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Lun Pan
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
| | - Li Wang
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
| | - Jijun Zou
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
| | - Xiangwen Zhang
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
| | - Guozhu Li
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
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27
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The Effect of Preparation Method of Ni-Supported SiO2 Catalysts for Carbon Dioxide Reforming of Methane. Catalysts 2021. [DOI: 10.3390/catal11101221] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Reforming methane to produce syngas is a subject that generates considerable interest. The process requires catalysts that possess high-performance active sites to activate stable C–H bonds. Herein, we report a facile synthetic strategy to prepare Ni-based catalysts by complexation–impregnation (Ni-G/SiO2-C) and precipitation–impregnation (Ni-G/SiO2-P) methods using glycine as a complexing agent. The particle size of Ni in both types of catalysts is decreased by adding glycine in the preparation process. Nevertheless, the preparation methods and amount of glycine play a significant role in the particle size and distribution of Ni over the Ni-based catalysts. The smaller particle size and narrower distribution of Ni were obtained in the Ni-G/SiO2-P catalyst. The catalysts were comparatively tested for carbon-dioxide reforming of methane (CDR). Ni-G/SiO2-P showed better CDR performance than Ni-G/SiO2-C and Ni/SiO2 and increased stability because of the smaller particle size and narrower distribution of Ni. Moreover, a high-performance Ni-based catalyst was prepared by optimizing the amount of glycine added. An unobservable deactivation was obtained over Ni-G-2/SiO2-P and Ni-G-3/SiO2-P for CDR during TOS = 20 h. Thus, a new promising method is described for the preparation of Ni-based catalysts for CDR.
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28
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Wu Y, Pei C, Tian H, Liu T, Zhang X, Chen S, Xiao Q, Wang X, Gong J. Role of Fe Species of Ni-Based Catalysts for Efficient Low-Temperature Ethanol Steam Reforming. JACS AU 2021; 1:1459-1470. [PMID: 34604855 PMCID: PMC8479767 DOI: 10.1021/jacsau.1c00217] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Indexed: 06/04/2023]
Abstract
The suppression of methane and coke formation over Ni-based catalysts for low temperature ethanol steam reforming remains challenging. This paper describes the structural evolution of Fe-modified Ni/MgAl2O4 catalysts and the influence of iron species on methane and coke suppression for low temperature ethanol steam reforming. Ni-Fe alloy catalysts are gradually oxidized by water to generate Ni-rich alloy and γ-Fe2O3 species at steam-to-carbon ratio of 4. The electron transfer from iron to nickel within Ni-Fe alloy weakens the CO adsorption and effectively alleviates the CO/CO2 methanation. The oxidation capacity of γ-Fe2O3 species promotes the transformation of ethoxy to acetate groups to avoid methane formation and the elimination of carbon deposits for anticoking. Ni10Fe10/MgAl2O4 shows a superior performance with a highest H2 yield of 4.6 mol/mol ethanol at 400 °C for 15 h. This research could potentially provide instructions for the design of Ni-based catalysts for low-temperature ethanol steam reforming.
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Affiliation(s)
- Yang Wu
- Key
Laboratory for Green Chemical Technology of Ministry of Education,
School of Chemical Engineering & Technology, Collaborative Innovation
Center for Chemical Science & Engineering, Tianjin University, Tianjin 300072, China
| | - Chunlei Pei
- Key
Laboratory for Green Chemical Technology of Ministry of Education,
School of Chemical Engineering & Technology, Collaborative Innovation
Center for Chemical Science & Engineering, Tianjin University, Tianjin 300072, China
| | - Hao Tian
- Key
Laboratory for Green Chemical Technology of Ministry of Education,
School of Chemical Engineering & Technology, Collaborative Innovation
Center for Chemical Science & Engineering, Tianjin University, Tianjin 300072, China
| | - Tao Liu
- Key
Laboratory for Green Chemical Technology of Ministry of Education,
School of Chemical Engineering & Technology, Collaborative Innovation
Center for Chemical Science & Engineering, Tianjin University, Tianjin 300072, China
| | - Xianhua Zhang
- Key
Laboratory for Green Chemical Technology of Ministry of Education,
School of Chemical Engineering & Technology, Collaborative Innovation
Center for Chemical Science & Engineering, Tianjin University, Tianjin 300072, China
| | - Sai Chen
- Key
Laboratory for Green Chemical Technology of Ministry of Education,
School of Chemical Engineering & Technology, Collaborative Innovation
Center for Chemical Science & Engineering, Tianjin University, Tianjin 300072, China
| | - Quan Xiao
- Key
Laboratory for Green Chemical Technology of Ministry of Education,
School of Chemical Engineering & Technology, Collaborative Innovation
Center for Chemical Science & Engineering, Tianjin University, Tianjin 300072, China
| | - Xianhui Wang
- Key
Laboratory for Green Chemical Technology of Ministry of Education,
School of Chemical Engineering & Technology, Collaborative Innovation
Center for Chemical Science & Engineering, Tianjin University, Tianjin 300072, China
| | - Jinlong Gong
- Key
Laboratory for Green Chemical Technology of Ministry of Education,
School of Chemical Engineering & Technology, Collaborative Innovation
Center for Chemical Science & Engineering, Tianjin University, Tianjin 300072, China
- Joint
School of National University of Singapore and Tianjin University,
International Campus of Tianjin University, Binhai New City, Fuzhou 350207, China
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He L, Li M, Li WC, Xu W, Wang Y, Wang YB, Shen W, Lu AH. Robust and Coke-free Ni Catalyst Stabilized by 1–2 nm-Thick Multielement Oxide for Methane Dry Reforming. ACS Catal 2021. [DOI: 10.1021/acscatal.1c02995] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Lei He
- State Key Laboratory of Fine Chemicals, Liaoning Key Laboratory for Catalytic Conversion of Carbon Resources, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Mingrun Li
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Wen-Cui Li
- State Key Laboratory of Fine Chemicals, Liaoning Key Laboratory for Catalytic Conversion of Carbon Resources, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Wei Xu
- State Key Laboratory of Fine Chemicals, Liaoning Key Laboratory for Catalytic Conversion of Carbon Resources, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Yang Wang
- State Key Laboratory of Fine Chemicals, Liaoning Key Laboratory for Catalytic Conversion of Carbon Resources, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Yan-Bo Wang
- State Key Laboratory of Fine Chemicals, Liaoning Key Laboratory for Catalytic Conversion of Carbon Resources, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Wenjie Shen
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - An-Hui Lu
- State Key Laboratory of Fine Chemicals, Liaoning Key Laboratory for Catalytic Conversion of Carbon Resources, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
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30
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Shi Y, Ai L, Shi H, Gu X, Han Y, Chen J. Carbon-coated Ni-Co alloy catalysts: preparation and performance for in-situ aqueous phase hydrodeoxygenation of methyl palmitate to hydrocarbons using methanol as the hydrogen donor. Front Chem Sci Eng 2021. [DOI: 10.1007/s11705-021-2079-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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31
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Wang J, Ma Y, Mahapatra M, Kang J, Senanayake SD, Tong X, Stacchiola DJ, White MG. Surface structure of mass-selected niobium oxide nanoclusters on Au(111). NANOTECHNOLOGY 2021; 32:475601. [PMID: 34380123 DOI: 10.1088/1361-6528/ac1cc0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 08/10/2021] [Indexed: 06/13/2023]
Abstract
The structures formed by the deposition of mass-selected niobium oxide clusters, Nb3Oy(y = 5, 6, 7), onto Au(111) were studied by scanning tunneling microscopy. The as-deposited Nb3O7clusters assemble into large dendritic structures that grow on the terraces as well as extend from the top and bottom of step edges. The Nb3O6cluster also forms dendritic assemblies but they are generally much smaller in size. The assemblies are composed of smaller discrete structures (<1 nm) which are likely to be single clusters. The dendritic assemblies for both the Nb3O7and Nb3O6clusters have fractal dimensions of about 1.7 which is very close to that expected for simple diffusion limited aggregation. Annealing the Nb3O7,6/Au(111) surfaces up to 550 K results in changes in assembly sizes and increases in heights, while heating to 700 results in the disruption of the assemblies into smaller structures. By contrast, the as-deposited Nb3O5/Au(111) surface at RT exhibits compact cluster structures which become 3D nanoparticles when annealed above 550 K. Differences in the observed surface structures and thermal stability are attributed to differences in metal-oxygen stoichiometry which can influence cluster binding energies, mobility and inter-cluster interactions.
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Affiliation(s)
- Jason Wang
- Department of Chemistry, Stony Brook University, Stony Brook 11794 NY, United States of America
| | - Yilin Ma
- Department of Chemistry, Stony Brook University, Stony Brook 11794 NY, United States of America
| | - Mausumi Mahapatra
- Chemistry Division, Brookhaven National Laboratory, Upton 11973 NY, United States of America
| | - Jindong Kang
- Department of Chemistry, Stony Brook University, Stony Brook 11794 NY, United States of America
| | - Sanjaya D Senanayake
- Chemistry Division, Brookhaven National Laboratory, Upton 11973 NY, United States of America
| | - Xiao Tong
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton 11973 NY, United States of America
| | - Dario J Stacchiola
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton 11973 NY, United States of America
| | - Michael G White
- Department of Chemistry, Stony Brook University, Stony Brook 11794 NY, United States of America
- Chemistry Division, Brookhaven National Laboratory, Upton 11973 NY, United States of America
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Zeng F, Wei B, Lan D, Ge J. Highly Dispersed Ni xGa y Catalyst and La 2O 3 Promoter Supported by LDO Nanosheets for Dry Reforming of Methane: Synergetic Catalysis by Ni, Ga, and La 2O 3. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:9744-9754. [PMID: 34348023 DOI: 10.1021/acs.langmuir.1c01162] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
A highly active and stable Ni-based catalyst is the focal point for research on dry reforming of methane (DRM). Here, NixGay/La2O3-LDO catalysts composed of highly dispersed NixGay and La2O3 nanoparticles supported by the MgO/Al2O3 layered double oxide (LDO) nanosheets were synthesized by chemical methods. According to transmission electron microscopy (TEM), energy-dispersive spectroscopy (EDS), X-ray photoelectron spectroscopy (XPS), CO2-TPD, diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS), and thermal gravitational analysis (TGA), a synergistic reaction mechanism was proposed to explain the superior performance of the Ni0.8Ga0.2/La2O3-LDO catalyst. The NixGay alloy catalyst provides an effective way to balance the speed of CH4 cracking and CO2 disassociation, and the La2O3 promoter enriched the CO2 and ensured the generation of active O in time. They worked together to inhibit carbon accumulation and significantly improve the catalyst's activity and stability.
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Affiliation(s)
- Fang Zeng
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes. School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - Bo Wei
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes. School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - Dengpeng Lan
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes. School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - Jianping Ge
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes. School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
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33
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Li X, Pei C, Gong J. Shale gas revolution: Catalytic conversion of C1–C3 light alkanes to value-added chemicals. Chem 2021. [DOI: 10.1016/j.chempr.2021.02.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Coking-resistant dry reforming of methane over Ni/γ-Al 2O 3 catalysts by rationally steering metal-support interaction. iScience 2021; 24:102747. [PMID: 34278257 PMCID: PMC8261659 DOI: 10.1016/j.isci.2021.102747] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 05/25/2021] [Accepted: 06/14/2021] [Indexed: 11/22/2022] Open
Abstract
The coking issue is the main challenge for dry reforming of methane (DRM) over Ni-based catalysts. Herein, we excavate the reasons for the enhanced coking resistance of the bounded Ni over the free state Ni in Ni/γ-Al2O3 catalysts for DRM. Rational metal-support interaction of the bounded Ni would facilitate desorption of CO, thus suppressing CO disproportionation and decreasing carbon deposition. The higher activity of the bounded Ni is ascribed to better methane cracking ability, stronger adsorption, and activation of CO2 by forming polydentate carbonate. The better activation of CO2 over the bounded Ni would also contribute to the gasification of formed coke. We gain an insight into the anti-coking mechanism of DRM determined by metal-support interaction in Ni/γ-Al2O3 catalysts through mechanistic studies. It is believed that our findings would enlighten the design of more efficient catalysts for DRM. The anti-coking ability of the bounded Ni is better than the free state Ni The bounded Ni has a stronger ability to activate CO2 to produce active O∗ species High reactivity and stable polydentate carbonate enables efficient reaction Rational metal-support interaction results in good resistance to CO poisoning
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Zhang D, He W, Ye J, Gao X, Wang D, Song J. Polymeric Carbon Nitride-Derived Photocatalysts for Water Splitting and Nitrogen Fixation. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2005149. [PMID: 33690963 DOI: 10.1002/smll.202005149] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 10/20/2020] [Indexed: 06/12/2023]
Abstract
Photocatalysis is a promising energy conversion and environmental restoration technology. The main focus of photocatalysis is the development and manufacture of highly efficient photocatalysts. Semiconductor-based photocatalysis technology based on harnessing solar energy is considered as an attractive approach to solve the problems of global energy shortage and environmental pollution. Since 2009 pioneering work has been carried out on polymeric carbon nitride (PCN) for visible photocatalytic water splitting, thus PCN-based photocatalysis has become a hot research topic, demanding significant research attention. This article reviews the physical and chemical properties, synthesis methods, and the methods to control the morphology, heteroatom doping, and construction of heterojunctions to improve the performance of PCN-based photocatalysts in water splitting and nitrogen fixation. Through different design strategies, the photo-generated electron-hole pair separation efficiency of PCN materials can be effectively improved, thereby improving their photocatalytic performance. Finally, the challenges of PCN-based photocatalysts in water splitting and nitrogen fixation applications are discussed herein. It is strongly believed that through different design strategies, efficient PCN-based photocatalysts can be constructed for both water splitting and nitrogen reduction. These excellent modification strategies can be used as a guiding theory for photocatalytic reactions of other promising catalysts and further promote the development of photocatalysis.
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Affiliation(s)
- Deliang Zhang
- School of Chemical and Biological Engineering, Qilu Institute of Technology, Jinan, 250200, P. R. China
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science (MOE), and College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Wen He
- School of Chemical and Biological Engineering, Qilu Institute of Technology, Jinan, 250200, P. R. China
| | - Jiamin Ye
- MOE key Laboratory for Analytical Science of Food Safety and Biology College of Chemistry, Fuzhou University, Fuzhou, 350108, P. R. China
| | - Xing Gao
- School of Chemical and Biological Engineering, Qilu Institute of Technology, Jinan, 250200, P. R. China
| | - Debao Wang
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science (MOE), and College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Jibin Song
- MOE key Laboratory for Analytical Science of Food Safety and Biology College of Chemistry, Fuzhou University, Fuzhou, 350108, P. R. China
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Nickel Phosphide Catalysts as Efficient Systems for CO2 Upgrading via Dry Reforming of Methane. Catalysts 2021. [DOI: 10.3390/catal11040446] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
This work establishes the primordial role played by the support’s nature when aimed at the constitution of Ni2P active phases for supported catalysts. Thus, carbon dioxide reforming of methane was studied over three novel Ni2P catalysts supported on Al2O3, CeO2 and SiO2-Al2O3 oxides. The catalytic performance, shown by the catalysts’ series, decreased according to the sequence: Ni2P/Al2O3 > Ni2P/CeO2 > Ni2P/SiO2-Al2O3. The depleted CO2 conversion rates discerned for the Ni2P/SiO2-Al2O3 sample were associated to the high sintering rates, large amounts of coke deposits and lower fractions of Ni2P constituted in the catalyst surface. The strong deactivation issues found for the Ni2P/CeO2 catalyst, which also exhibited small amounts of Ni2P species, were majorly associated to Ni oxidation issues. Along with lower surface areas, oxidation reactions might also affect the catalytic behaviour exhibited by the Ni2P/CeO2 sample. With the highest conversion rate and optimal stabilities, the excellent performance depicted by the Ni2P/Al2O3 catalyst was mostly related to the noticeable larger fractions of Ni2P species established.
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37
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CO2 Methanation Using Multimodal Ni/SiO2 Catalysts: Effect of Support Modification by MgO, CeO2, and La2O3. Catalysts 2021. [DOI: 10.3390/catal11040443] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Ni/oxide-SiO2 (oxide: MgO, CeO2, La2O3, 10 wt.% target concentration) catalyst samples were prepared by successive impregnation of silica matrix, first with supplementary oxide, and then with Ni (10 wt.% target concentration). The silica matrix with multimodal pore structure was prepared by solvothermal method. The catalyst samples were structurally characterized by N2 adsorption-desorption, XRD, SEM/TEM, and functionally evaluated by temperature programmed reduction (TPR), and temperature programmed desorption of hydrogen (H2-TPD), or carbon dioxide (CO2-TPD). The addition of MgO and La2O3 leads to a better dispersion of Ni on the catalytic surface. Ni/LaSi and Ni/CeSi present a higher proportion of moderate strength basic sites for CO2 activation compared to Ni/Si, while Ni/MgSi lower. CO2 methanation was performed in the temperature range of 150–350 °C and at atmospheric pressure, all silica supported Ni catalysts showing good CO2 conversion and CH4 selectivity. The best catalytic activity was obtained for Ni/LaSi: CO2 conversion of 83% and methane selectivity of 98%, at temperatures as low as 250 °C. The used catalysts preserved the multimodal pore structure with approximately the same pore size for the low and medium mesopores. Except for Ni/CeSi, no particle sintering occurs, and no carbon deposition was observed for any of the tested catalysts.
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Meng Z, Wang Z, Li Y. Hierarchical Layered Porous SiO2 Supported Bimetallic NiM/EXVTM-SiO2 (M = Co, Cu, Fe) Catalysts Derived from Vermiculite for CO2 Reforming of Methane. Catal Letters 2021. [DOI: 10.1007/s10562-021-03606-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Shtyka O, Dimitrova Z, Ciesielski R, Kedziora A, Mitukiewicz G, Leyko J, Maniukewicz W, Czylkowska A, Maniecki T. Steam reforming of ethanol for hydrogen production: influence of catalyst composition (Ni/Al2O3, Ni/Al2O3–CeO2, Ni/Al2O3–ZnO) and process conditions. REACTION KINETICS MECHANISMS AND CATALYSIS 2021. [DOI: 10.1007/s11144-021-01945-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
AbstractEthanol steam reforming was studied over Ni supported catalysts. The effects of support (Al2O3, Al2O3–ZnO, and Al2O3–CeO2), metal loading, catalyst activation method, and steam-to-ethanol molar feed ratio were investigated. The properties of catalysts were studied by N2 physisorption, TPD-CO2, X-ray diffraction, and temperature programmed reduction. After activity tests, the catalysts were analyzed by TOC analysis. The catalytic activity measurements showed that the addition either of ZnO SSor CeO2 to alumina enhances both ethanol conversion and promotes selectivity towards hydrogen formation. The same effects were observed for catalysts with higher metal loadings. High process temperature and high water-to-ethanol ratio were found to be beneficial for hydrogen production. An extended catalyst stability tests showed no loss of activity over 50 h on reaction stream. The TOC analysis of spent catalysts revealed only insignificant amounts of carbon deposit.
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40
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Sarnello E, Lu Z, Seifert S, Winans RE, Li T. Design and Characterization of ALD-Based Overcoats for Supported Metal Nanoparticle Catalysts. ACS Catal 2021. [DOI: 10.1021/acscatal.0c05099] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Erik Sarnello
- Department of Chemistry and Biochemistry, Northern Illinois University, DeKalb, Illinois 60115, United States
| | - Zheng Lu
- Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, Illinois 60439, United States
| | - Soenke Seifert
- X-ray Science Division, Argonne National Laboratory, Lemont, Illinois 60439, United States
| | - Randall E. Winans
- X-ray Science Division, Argonne National Laboratory, Lemont, Illinois 60439, United States
| | - Tao Li
- Department of Chemistry and Biochemistry, Northern Illinois University, DeKalb, Illinois 60115, United States
- X-ray Science Division, Argonne National Laboratory, Lemont, Illinois 60439, United States
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41
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Niu J, Wang Y, E. Liland S, K. Regli S, Yang J, Rout KR, Luo J, Rønning M, Ran J, Chen D. Unraveling Enhanced Activity, Selectivity, and Coke Resistance of Pt–Ni Bimetallic Clusters in Dry Reforming. ACS Catal 2021. [DOI: 10.1021/acscatal.0c04429] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Juntian Niu
- Key Laboratory of Low-grade Energy Utilization Technologies and Systems, Ministry of Education of PRC, Chongqing University, Chongqing 400044, China
- Department of Chemical Engineering, Norwegian University of Science and Technology, Trondheim 7491, Norway
| | - Yalan Wang
- Department of Chemical Engineering, Norwegian University of Science and Technology, Trondheim 7491, Norway
| | - Shirley E. Liland
- Department of Chemical Engineering, Norwegian University of Science and Technology, Trondheim 7491, Norway
| | - Samuel K. Regli
- Department of Chemical Engineering, Norwegian University of Science and Technology, Trondheim 7491, Norway
| | - Jia Yang
- Department of Chemical Engineering, Norwegian University of Science and Technology, Trondheim 7491, Norway
| | - Kumar R. Rout
- SINTEF Materials and Chemistry, Trondheim 7491, Norway
| | - Jun Luo
- Center for Electron Microscopy and Tianjin Key Lab of Advanced Functional Porous Materials, Institute for New Energy Materials, School of Materials, Tianjin University of Technology, Tianjin 300384, China
| | - Magnus Rønning
- Department of Chemical Engineering, Norwegian University of Science and Technology, Trondheim 7491, Norway
| | - Jingyu Ran
- Key Laboratory of Low-grade Energy Utilization Technologies and Systems, Ministry of Education of PRC, Chongqing University, Chongqing 400044, China
| | - De Chen
- Department of Chemical Engineering, Norwegian University of Science and Technology, Trondheim 7491, Norway
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Abstract
Solid oxide fuel cells can operate with carbonaceous fuels, such as syngas, biogas, and methane, using either internal or external reforming, and they represent a more efficient alternative to internal combustion engines. In this work, we explore, for the first time, an alumina membrane containing straight, highly packed (461,289 cpsi), parallel channels of a few micrometers (21 µm) in diameter as a microreformer. As a model reaction to test the performance of this membrane, the dry reforming of methane was carried out using nickel metal and a composite nickel/ceria as catalysts. The samples with intact microchannels were more resistant to carbon deposition than those with a powdered sample, highlighting the deactivation mitigation effect of the microchannel structure. The coke content in the microchannel membrane was one order of magnitude lower than in the powder catalyst. Overall, this work is a proof of concept on the use of composite alumina membrane as microchannel reactors for high temperature reactions.
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Siril PF, Türk M. Synthesis of Metal Nanostructures Using Supercritical Carbon Dioxide: A Green and Upscalable Process. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e2001972. [PMID: 33164289 DOI: 10.1002/smll.202001972] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 07/06/2020] [Indexed: 06/11/2023]
Abstract
Metallic nanostructures have numerous applications as industrial catalysts and sensing platforms. Supercritical carbon dioxide (scCO2 ) is a green medium for the scalable preparation of nanomaterials. Supercritical fluid reactive deposition (SFRD) and other allied techniques can be employed for the mass production of metal nanostructures for various applications. The present article reviews the recent reports on the scCO2 -assisted preparation of zero-valent metal nanomaterials and their applications. A brief description of the science of pure supercritical fluids, especially CO2 , and the basics of binary mixtures composed of scCO2 and a low volatile substance, e.g., an organometallic precursor are presented. The benefits of using scCO2 for preparing metal nanomaterials, especially as a green solvent, are also being highlighted. The experimental conditions that are useful for the tuning of particle properties are reviewed thoroughly. The range of modifications to the classical SFRD methods and the variety of metallic nanomaterials that can be synthesized are reviewed and presented. Finally, the broad ranges of applications that are reported for the metallic nanomaterials that are synthesized using scCO2 are reviewed. A brief summary along with perspectives about future research directions is also presented.
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Affiliation(s)
- Prem Felix Siril
- School of Basic Sciences, Indian Institute of Technology Mandi (IIT Mandi), Mandi, Himachal Pradesh, 175005, India
| | - Michael Türk
- Institut für Technische Thermodynamik and Kältetechnik, Karlsruhe Institute of Technology (KIT), Engler-Bunte-Ring 21, 76131, Karlsruhe, Germany
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44
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Catalytic steam reforming of biomass fast pyrolysis volatiles over Ni–Co bimetallic catalysts. J IND ENG CHEM 2020. [DOI: 10.1016/j.jiec.2020.07.050] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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45
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Study of Partial Oxidation of Methane by Ni/Al 2O 3 Catalyst: Effect of Support Oxides of Mg, Mo, Ti and Y as Promoters. Molecules 2020; 25:molecules25215029. [PMID: 33138289 PMCID: PMC7663497 DOI: 10.3390/molecules25215029] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 10/11/2020] [Accepted: 10/19/2020] [Indexed: 12/03/2022] Open
Abstract
Catalysts of 10% Ni, supported on promoted alumina, were used to accomplish the partial oxidation of methane. The alumina support was doped with oxides of Mo, Mg, Ti and Y. An incipient wetness impregnation technique was used to synthesize the catalysts. The physicochemical properties of the catalysts were described by XRD, H2-TPR (temperature programmed reduction), BET, TGA, CO2-TPD (temperature-programmed desorption) and Raman. The characterization results denoted that Ni has a strong interaction with the support. The TGA investigation of spent catalysts displayed the anticoking enhancement of the promoters. The impact of the support promoters on the catalyst stability, methane conversion and H2 yield was inspected. Stability tests were done for 460 min. The H2 yields were 76 and 60% and the CH4 conversions were 67 and 92%, respectively, over Ni/Al2O3+Mg, when the reaction temperatures were 550 and 650 °C, respectively. The performance of the present work was compared to relevant findings in the literature.
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Lyu Y, Jocz J, Xu R, Stavitski E, Sievers C. Nickel Speciation and Methane Dry Reforming Performance of Ni/CexZr1–xO2 Prepared by Different Synthesis Methods. ACS Catal 2020. [DOI: 10.1021/acscatal.0c02426] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yimeng Lyu
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Jennifer Jocz
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Rui Xu
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Eli Stavitski
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Carsten Sievers
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
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47
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Ismaila A, Chen H, Shao Y, Xu S, Jiao Y, Chen X, Gao X, Fan X. Renewable hydrogen production from steam reforming of glycerol (SRG) over ceria-modified γ-alumina supported Ni catalyst. Chin J Chem Eng 2020. [DOI: 10.1016/j.cjche.2020.06.025] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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48
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49
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Effect of Mg Contents on Catalytic Activity and Coke Formation of Mesoporous Ni/Mg-Aluminate Spinel Catalyst for Steam Methane Reforming. Catalysts 2020. [DOI: 10.3390/catal10080828] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
Ni catalysts are most suitable for a steam methane reforming (SMR) reaction considering the activity and the cost, although coke formation remains the main problem. Here, Ni-based spinel catalysts with various Mg contents were developed through the synthesis of mesoporous Mg-aluminate supports by evaporation-induced self-assembly followed by Ni loading via incipient wetness impregnation. The mesoporous Ni/Mg-aluminate spinel catalysts showed high coke resistance under accelerated reaction conditions (0.0014 gcoke/gcat·h for Ni/Mg30, 0.0050 gcoke/gcat·h for a commercial catalyst). The coke resistance of the developed catalyst showed a clear trend: the higher the Mg content, the lower the coke deposition. The Ni catalysts with the lower Mg content showed a higher surface area and smaller Ni particle size, which originated from the difference of the sintering resistance and the exsolution of Ni particles. Despite these advantageous attributes of Ni catalysts, the coke resistance was higher for the catalysts with the higher Mg content while the catalytic activity was dependent on the reaction conditions. This reveals that the enhanced basicity of the catalyst could be the major parameter for the reduction of coke deposition in the SMR reaction.
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50
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Carbon Dioxide Reforming of Methane over Ni Supported SiO2: Influence of the Preparation Method on the Resulting Structural Properties and Catalytic Activity. Catalysts 2020. [DOI: 10.3390/catal10070795] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Ni-C/SiO2 and Ni-G/SiO2 catalysts were prepared by a complexed-impregnation method using citric acid and glycine as complexing agents, respectively. Ni/SiO2 was also prepared by the conventional incipient impregnation method. All the catalysts were comparatively tested for carbon dioxide reforming of methane (CDR) at P = 1.0 atm, T = 750 °C, CO2/CH4 = 1.0, and GHSV = 60,000 mL·g−1·h−1. The results showed that Ni-C/SiO2 and Ni-G/SiO2 exhibited better CDR performance, especially regarding stability, than Ni/SiO2. The conversions of CH4 and CO2 were kept constant above 82% and 87% after 20 h of reaction over Ni-C/SiO2 and Ni-G/SiO2 while they were decreased from 81% and 88% to 56% and 59%, respectively, over the Ni/SiO2. The characterization results of the catalysts before and after the reaction showed that the particle size and the distribution of Ni, as well as the interactions between Ni and the support were significantly influenced by the preparation method. As a result, an excellent resistance to the coking deposition and the anti-sintering of Ni was obtained over the Ni-C/SiO2 and Ni-G/SiO2, leading to a highly active and stable CDR performance.
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