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Jiao H, Wang GC. Dry Reforming of Methane on Ni/LaZrO 2 Catalyst under External Electric Fields: A Combined First-Principles and Microkinetic Modeling Study. ACS APPLIED MATERIALS & INTERFACES 2024; 16:35166-35178. [PMID: 38924504 DOI: 10.1021/acsami.4c06654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/28/2024]
Abstract
Dry reforming of methane (DRM) reaction has great potential in reducing the greenhouse effect and solving energy problems. Herein, the DRM reaction mechanism and activity on Ni16/LaZrO2 catalyst under electric fields were comprehensively investigated by combining density functional theory calculations with microkinetic modeling. The results showed that La doping increases the interaction between Ni and ZrO2 by Ni cluster transfer of more electrons. The adsorption strength of species followed the order Ni16/ZrO2 > Ni16/LaZrO2, which is consistent with the results for the d-band center but opposite to the metal-support interaction. The best DRM reaction path on Ni16/LaZrO2 was the CH2-O pathway, which is different from the CH-O pathway on Ni(111) and Ni16/ZrO2. Both positive and negative electric fields of strong and weak metal-support interactions reduced the energy barrier of DRM reaction. Importantly, our results showed that the more dispersed and smaller Ni12/LaZrO2 model by considering the dispersing effect induced by La doping, which displayed very different results from that of Ni16/LaZrO2: reduced the energy barrier for methane decomposition, thereby promoting DRM reaction activity. Microkinetic results showed that the carbon deposition behavior of DRM becomes weaker on Ni16/LaZrO2 due to the suppression of methane decomposition in the presence of La doping compared to Ni16/ZrO2, but the opposite result is obtained on Ni12/LaZrO2. The order of DRM reactivity was Ni16/LaZrO2 < Ni16/ZrO2 < Ni12/LaZrO2, which is consistent with the experiment observations. The conversion of methane and CO2 was higher in positive electric fields than in negative electric fields at low temperatures, but the results were opposite at high temperature. Negative electric fields can improve the carbon deposition resistance of Ni-based catalysts compared to positive electric fields. The degree of rate control analysis showed that CHx* oxidation also plays an important role in the DRM reaction. We envision that this study could provide a deeper understanding for guiding the widespread application of electric field catalysis.
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Affiliation(s)
- Hui Jiao
- Tianjin Key Lab and Molecule-Based Material Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Gui-Chang Wang
- Tianjin Key Lab and Molecule-Based Material Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
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2
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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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3
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Shi Y, Han K, Wang F. Ni-Cu Alloy Nanoparticles Confined by Physical Encapsulation with SiO 2 and Chemical Metal-Support Interaction with CeO 2 for Methane Dry Reforming. Inorg Chem 2022; 61:15619-15628. [PMID: 36129231 DOI: 10.1021/acs.inorgchem.2c02466] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Fabrication of sintering- and carbon-free Ni catalysts for methane dry reforming (MDR), which is attractive to upgrade greenhouse gases CH4 and CO2, is challenging. In this work, we innovatively synthesized Ni-Cu alloy nanoparticles confined by physical encapsulation and chemical metal-support interaction (MSI); the synergism of alloy effect, size effect, MSI, and confinement effect in the catalysts gave high rates of CH4 and CO2 of 6.98 and 7.16 mmol/(gNis), respectively, at 1023 K for 50 h. The rates were 2-3 times enhanced compared to those in the literature. XRD, TEM, H2-TPR, and so forth revealed that the alloy effect, size effect, and MSI of Ni-Cu and CeO2 enhanced the MDR activity; MSI promoted the ceria surface lattice oxygen mobility and generated more oxygen vacancies, almost completely gasifying carbon deposits; chemical confinement from MSI and physical confinement from SiO2 nanospheres realized sintering-free alloys and CeO2 nanoparticles. The synergistic approach provides a universal strategy for sintering- and carbon-free Ni catalyst design for MDR reaction.
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Affiliation(s)
- Yu Shi
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 202123, China
| | - Kaihang Han
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 202123, China
| | - Fagen Wang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 202123, China.,Chinese Academy of Sciences Key Laboratory of Renewable Energy, Guangzhou 510640, China
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4
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Controllable synthesis of xPt–yNiO/MgO–PWAC nanoparticles and high-efficiency conversion for CO2/CH4 reforming reaction. J CO2 UTIL 2022. [DOI: 10.1016/j.jcou.2022.102063] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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5
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De Sousa RA, Ocampo-Restrepo VK, Verga LG, Da Silva JLF. Ab initio study of the adsorption properties of CO 2 reduction intermediates: The effect of Ni 5Ga 3 alloy and the Ni 5Ga 3/ZrO 2 interface. J Chem Phys 2022; 156:214106. [DOI: 10.1063/5.0091145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The Ni5Ga3 alloy supported on ZrO2 is a promising catalyst for the reduction of CO2 due to its higher selectivity to methanol at ambient pressure, e.g., activity comparable to industrial catalysts. However, our atomistic understanding of the role of the cooperative effects induced by the Ni5Ga3 alloy formation and its Ni5Ga3/ZrO2 interface in the CO2 reduction is still far from satisfactory. In this work, we tackle these questions by employing density functional theory calculations to investigate the adsorption properties of key CO2 reduction intermediates (CO2, H2, cis-COOH, trans-COOH, HCOO, CO, HCO, and COH) on Ni8, Ga8, Ni5Ga3, (ZrO2)16, and Ni5Ga3/(ZrO2)16. We found that Ni containing clusters tended to assume wetting configurations on the (ZrO2)16 cluster, while the presence of Ga atoms weakens the adsorption energies on the oxide surface. We also observed that CO2 was better activated on the metal–oxide interfaces and on the oxide surface, where it was able to form CO3-like structures. Meanwhile, H2 activation was only observed on Ni sites, which indicates the importance of distinct adsorption sites that can favor different CO2 reduction steps. Moreover, the formation of the metal–oxide interface showed to be beneficial for the adsorption of COOH isomers and unfavorable for the adsorption of HCOO.
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Affiliation(s)
- Rafael A. De Sousa
- São Carlos Institute of Chemistry, University of São Paulo, P.O. Box 780, 13560-970 São Carlos, São Paulo, Brazil
| | - Vivianne K. Ocampo-Restrepo
- São Carlos Institute of Chemistry, University of São Paulo, P.O. Box 780, 13560-970 São Carlos, São Paulo, Brazil
| | - Lucas G. Verga
- São Carlos Institute of Chemistry, University of São Paulo, P.O. Box 780, 13560-970 São Carlos, São Paulo, Brazil
| | - Juarez L. F. Da Silva
- São Carlos Institute of Chemistry, University of São Paulo, P.O. Box 780, 13560-970 São Carlos, São Paulo, Brazil
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6
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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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7
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Wang Y, Li L, Cui C, Da. Costa P, Hu C. The effect of adsorbed oxygen species on carbon-resistance of Ni-Zr catalyst modified by Al and Mn for dry reforming of methane. Catal Today 2022. [DOI: 10.1016/j.cattod.2021.03.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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8
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9
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Kim SM, Armutlulu A, Liao WC, Hosseini D, Stoian D, Chen Z, Abdala PM, Copéret C, Müller C. Structural insight into an atomic layer deposition (ALD) grown Al 2O 3 layer on Ni/SiO 2: impact on catalytic activity and stability in dry reforming of methane. Catal Sci Technol 2021; 11:7563-7577. [PMID: 34912540 PMCID: PMC8630620 DOI: 10.1039/d1cy01149a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 10/24/2021] [Indexed: 11/21/2022]
Abstract
The development of stable Ni-based dry reforming of methane (DRM) catalysts is a key challenge owing to the high operating temperatures of the process and the propensity of Ni for promoting carbon deposition. In this work, Al2O3-coated Ni/SiO2 catalysts have been developed by employing atomic layer deposition (ALD). The structure of the catalyst at each individual preparation step was characterized in detail through a combination of in situ XAS-XRD, ex situ 27Al NMR and Raman spectroscopy. Specifically, in the calcination step, the ALD-grown Al2O3 layer reacts with the SiO2 support and Ni, forming aluminosilicate and NiAl2O4. The Al2O3-coated Ni/SiO2 catalyst exhibits an improved stability for DRM when compared to the benchmark Ni/SiO2 and Ni/Al2O3 catalysts. In situ XAS-XRD during DRM together with ex situ Raman spectroscopy and TEM of the spent catalysts confirm that the ALD-grown Al2O3 layer suppresses the sintering of Ni, in turn reducing also coke formation significantly. In addition, the formation of an amorphous aluminosilicate phase by the reaction of the ALD-grown Al2O3 layer with the SiO2 support inhibited catalysts deactivation via NiAl2O4 formation, in contrast to the reference Ni/Al2O3 system. The in-depth structural characterization of the catalysts provided an insight into the structural dynamics of the ALD-grown Al2O3 layer, which reacts both with the support and the active metal, allowing to rationalize the high stability of the catalyst under the harsh DRM conditions.
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Affiliation(s)
- Sung Min Kim
- Department of Mechanical and Process Engineering, ETH Zurich Leonhardstrasse 27 8092 Zurich Switzerland
| | - Andac Armutlulu
- Department of Mechanical and Process Engineering, ETH Zurich Leonhardstrasse 27 8092 Zurich Switzerland
| | - Wei-Chih Liao
- Department of Chemistry and Applied Sciences, ETH Zurich Vladimir Prelog Weg 1-5 8093 Zurich Switzerland
| | - Davood Hosseini
- Department of Mechanical and Process Engineering, ETH Zurich Leonhardstrasse 27 8092 Zurich Switzerland
| | - Dragos Stoian
- Swiss-Norwegian Beamlines, ESRF BP 220 Grenoble 38043 France
| | - Zixuan Chen
- Department of Mechanical and Process Engineering, ETH Zurich Leonhardstrasse 27 8092 Zurich Switzerland
| | - Paula M Abdala
- Department of Mechanical and Process Engineering, ETH Zurich Leonhardstrasse 27 8092 Zurich Switzerland
| | - Christophe Copéret
- Department of Chemistry and Applied Sciences, ETH Zurich Vladimir Prelog Weg 1-5 8093 Zurich Switzerland
| | - Christoph Müller
- Department of Mechanical and Process Engineering, ETH Zurich Leonhardstrasse 27 8092 Zurich Switzerland
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10
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Taherian Z, Shahed Gharahshiran V, Khataee A, Orooji Y. Anti-coking freeze-dried NiMgAl catalysts for dry and steam reforming of methane. J IND ENG CHEM 2021. [DOI: 10.1016/j.jiec.2021.07.032] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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11
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Ahmad YH, Mohamed AT, Kumar A, Al-Qaradawi SY. Solution combustion synthesis of Ni/La 2O 3 for dry reforming of methane: tuning the basicity via alkali and alkaline earth metal oxide promoters. RSC Adv 2021; 11:33734-33743. [PMID: 35497540 PMCID: PMC9042257 DOI: 10.1039/d1ra05511a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Accepted: 10/11/2021] [Indexed: 11/21/2022] Open
Abstract
The production of syngas via dry reforming of methane (DRM) has drawn tremendous research interest, ascribed to its remarkable economic and environmental impacts. Herein, we report the synthesis of K, Na, Cs, Li, and Mg-promoted Ni/La2O3 using solution combustion synthesis (SCS). The properties of the catalysts were determined by N2 physisorption experiments, scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), X-ray photoelectron spectrometry (XPS), and H2-TPR (temperature programmed reduction). In addition, their catalytic performance towards DRM was evaluated at 700 °C. The results demonstrated that all catalysts exhibited porous structures with high specific surface area, in particular, Mg-promoted Ni/La2O3 (Mg–Ni–La2O3) which depicted the highest surface area and highest pore volume (54.2 m2 g−1, 0.36 cm3 g−1). Furthermore, Mg–Ni–La2O3 exhibited outstanding catalytic performance in terms of activity and chemical stability compared to its counterparts. For instance, at a gas hourly space velocity (GHSV) of 30 000 mL g−1 h−1, it afforded 83.2% methane conversion and 90.8% CO2 conversion at 700 °C with no detectable carbon deposition over an operating period of 100 h. The superb DRM catalytic performance of Mg–Ni–La2O3 was attributed to the high specific surface area/porosity, strong metal-support interaction (MSI), and enhanced basicity, in particular the strong basic sites compared to other promoted catalysts. These factors remarkably enhance the catalytic performance and foster resistance to coke deposition. Alkali and alkaline earth metal oxides-promoted Ni/La2O3 catalysts synthesized by solution combustion synthesis revealed enhanced catalytic performance towards dry reforming of methane.![]()
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Affiliation(s)
- Yahia H Ahmad
- Department of Chemistry and Earth Sciences, College of Arts and Sciences, Qatar University Doha 2713 Qatar
| | - Assem T Mohamed
- Department of Chemistry and Earth Sciences, College of Arts and Sciences, Qatar University Doha 2713 Qatar
| | - A Kumar
- Department of Chemical Engineering, College of Engineering, Qatar University Doha 2713 Qatar
| | - Siham Y Al-Qaradawi
- Department of Chemistry and Earth Sciences, College of Arts and Sciences, Qatar University Doha 2713 Qatar
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12
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Zhang X, Deng J, Pupucevski M, Impeng S, Yang B, Chen G, Kuboon S, Zhong Q, Faungnawakij K, Zheng L, Wu G, Zhang D. High-Performance Binary Mo–Ni Catalysts for Efficient Carbon Removal during Carbon Dioxide Reforming of Methane. ACS Catal 2021. [DOI: 10.1021/acscatal.1c02124] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Xiaoyu Zhang
- State Key Laboratory of Advanced Special Steel, School of Materials Science and Engineering, International Joint Laboratory of Catalytic Chemistry, Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Jiang Deng
- State Key Laboratory of Advanced Special Steel, School of Materials Science and Engineering, International Joint Laboratory of Catalytic Chemistry, Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Max Pupucevski
- Department of Chemical and Biological Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, United States
| | - Sarawoot Impeng
- National Nanotechnology Center, National Science and Technology Development Agency, Pathum Thani 12120, Thailand
| | - Bo Yang
- State Key Laboratory of Advanced Special Steel, School of Materials Science and Engineering, International Joint Laboratory of Catalytic Chemistry, Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Guorong Chen
- State Key Laboratory of Advanced Special Steel, School of Materials Science and Engineering, International Joint Laboratory of Catalytic Chemistry, Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Sanchai Kuboon
- National Nanotechnology Center, National Science and Technology Development Agency, Pathum Thani 12120, Thailand
| | - Qingdong Zhong
- State Key Laboratory of Advanced Special Steel, School of Materials Science and Engineering, International Joint Laboratory of Catalytic Chemistry, Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Kajornsak Faungnawakij
- National Nanotechnology Center, National Science and Technology Development Agency, Pathum Thani 12120, Thailand
| | - Lirong Zheng
- Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Gang Wu
- Department of Chemical and Biological Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, United States
| | - Dengsong Zhang
- State Key Laboratory of Advanced Special Steel, School of Materials Science and Engineering, International Joint Laboratory of Catalytic Chemistry, Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, China
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13
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Wang Y, Wang Y, Li L, Cui C, Liu X, Da. Costa P, Hu C. Syngas Production via CO 2 Reforming of Methane over Aluminum-Promoted NiO-10Al 2O 3-ZrO 2 Catalyst. ACS OMEGA 2021; 6:22383-22394. [PMID: 34497927 PMCID: PMC8412958 DOI: 10.1021/acsomega.1c03174] [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: 06/17/2021] [Accepted: 08/09/2021] [Indexed: 06/13/2023]
Abstract
CO2 reforming of methane was studied at medium temperature (700 °C) using a GSHV of 48,000 h-1 over nickel catalysts supported on ZrO2 promoted by alumina. The catalysts were prepared by a one-step synthesis method and characterized by BET, H2-TPR, XRD, XPS, TEM, Raman spectroscopy, and TGA. The NiO-10Al2O3-ZrO2 catalyst exhibited higher catalytic performance in comparison with the NiO-ZrO2 catalyst. The enhancement of catalytic activity in dry reforming could be associated with the alterations in surface properties due to Al promotion. First, the Al promoter could modify the structure of ZrO2, leading to an increase of its pore volume and pore diameter. Second, the NiO-10Al2O3-ZrO2 catalyst exhibited high resistance to sintering. Third, the NiO-10Al2O3-ZrO2 catalyst showed high suppression to the loss of nickel during a long-term catalytic test. Finally, the addition of Al could inhibit the reduction of ZrO2 during the reduction and reaction, endowing further the stability.
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Affiliation(s)
- Ye Wang
- College
of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, P. R. China
- Sorbonne
Université, Institut Jean Le Rond d’Alembert,
CNRS, 2 Place de la Gare de Ceinture, Saint-Cyr-L’Ecole 78210, France
| | - Yannan Wang
- Key
Laboratory of Green Chemistry and Technology, Ministry of Education,
College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, P. R. China
| | - Li Li
- Key
Laboratory of Green Chemistry and Technology, Ministry of Education,
College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, P. R. China
| | - Chaojun Cui
- College
of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, P. R. China
| | - Xudong Liu
- Key
Laboratory of Green Chemistry and Technology, Ministry of Education,
College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, P. R. China
| | - Patrick Da. Costa
- Sorbonne
Université, Institut Jean Le Rond d’Alembert,
CNRS, 2 Place de la Gare de Ceinture, Saint-Cyr-L’Ecole 78210, France
| | - Changwei Hu
- College
of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, P. R. China
- Key
Laboratory of Green Chemistry and Technology, Ministry of Education,
College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, P. R. China
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14
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The Effect of ZrO2 as Different Components of Ni-Based Catalysts for CO2 Reforming of Methane and Combined Steam and CO2 Reforming of Methane on Catalytic Performance with Coke Formation. Catalysts 2021. [DOI: 10.3390/catal11080984] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The role of ZrO2 as different components in Ni-based catalysts for CO2 reforming of methane (CRM) has been investigated. The 10 wt.% Ni supported catalysts were prepared with ZrO2 as a support using a co-impregnation method. As a promoter (1 wt.% ZrO2) and a coactive component (10 wt.% ZrO2), the catalysts with ZrO2 were synthesized using a co-impregnation method. To evaluate the effect of the interaction, the Ni catalyst with ZrO2 as a coactive component was prepared by a sequential impregnation method. The results revealed that the activity, the selectivity, and the anti-coking ability of the catalyst depend upon the ZrO2 content, the Ni-ZrO2 interaction, basicity, and oxygen mobility of each catalyst resulting in different Ni dispersion and oxygen transfer pathway from ZrO2 to Ni. According to the characterization and catalytic activation results, the Ni catalyst with low ZrO2 content (as a promoter) presented highest selectivity toward CO owning to the high number of weak and moderate basic sites that enhance the CO2 activation-dissociation. The lowest activity (CH4 conversion ≈ 40% and CO2 conversion ≈ 39%) with the relatively high quantity of total coke formation (the weight loss of the spent catalyst in TGA curve ≈ 22%) of the Ni catalyst with ZrO2 as a support is ascribed to the lowest Ni dispersion due to the poor Ni-ZrO2 interaction and less oxygen transfer from ZrO2 to the deposited carbon on the Ni surface. The effect of a poor Ni-ZrO2 interaction on the catalytic activity was deducted by decreasing ZrO2 content to 10 wt.% (as a coactive component) and 1 wt.% (as a promoter). Although Ni catalysts with 1 wt.% and 10 wt.% ZrO2 provided similar oxygen mobility, the lack of oxygen transfer to coke during CRM process on the Ni surface was still indicated by the growth of carbon filament when the catalyst was prepared by co-impregnation method. When the catalyst was prepared by a sequential impregnation, the intimate interaction of Ni and ZrO2 for oxygen transfer was successfully developed through a ZrO2-Al2O3 composite. The interaction in this catalyst enhanced the catalytic activity (CH4 conversion ≈ 54% and CO2 conversion ≈ 50%) and the oxygen transport for carbon oxidation (the weight loss of the spent catalyst in TGA curve ≈ 7%) for CRM process. The Ni supported catalysts with ZrO2 as a promoter prepared by co-impregnation and with ZrO2 as a coactive component prepared by a sequential impregnation were tested in combined steam and CO2 reforming of methane (CSCRM). The results revealed that the ZrO2 promoter provided a greater carbon resistance (coke = 1.213 mmol·g−1) with the subtraction of CH4 and CO2 activities (CH4 conversion ≈ 28% and CO2 conversion ≈ %) due to the loss of active sites to the H2O activation-dissociation. Thus, the H2O activation-dissociation was promoted more efficiently on the basic sites than on the vacancy sites in CSCRM.
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15
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The structural effect of Ni/ZrO2 on the formation and the reactivity of the carbon formed from methane decomposition. CHEMICAL ENGINEERING SCIENCE: X 2021. [DOI: 10.1016/j.cesx.2021.100104] [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] Open
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16
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Zhang M, Zhang J, Zhou Z, Zhang Q, Tan Y, Han Y. Effects of calcination atmosphere on the performance of the co‐precipitated
Ni
/
ZrO
2
catalyst in dry reforming of methane. CAN J CHEM ENG 2021. [DOI: 10.1002/cjce.24129] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Meng Zhang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences Taiyuan China
- University of Chinese Academy of Sciences Beijing China
| | - Junfeng Zhang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences Taiyuan China
| | - Zeling Zhou
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences Taiyuan China
- University of Chinese Academy of Sciences Beijing China
| | - Qingde Zhang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences Taiyuan China
| | - Yisheng Tan
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences Taiyuan China
| | - Yizhuo Han
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences Taiyuan China
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17
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Wang F, Han K, Xu L, Yu H, Shi W. Ni/SiO2 Catalyst Prepared by Strong Electrostatic Adsorption for a Low-Temperature Methane Dry Reforming Reaction. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.0c06020] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Fagen Wang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
- Shandong Key Laboratory of Biochemical Analysis; College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Kaihang Han
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Leilei Xu
- School of Environmental Science and Engineering, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Collaborative Innovation Center of the Atmospheric Environment and Equipment Technology, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Hao Yu
- College of Chemical and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Weidong Shi
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
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18
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Jiang C, Loisel E, Cullen DA, Dorman JA, Dooley KM. On the enhanced sulfur and coking tolerance of Ni-Co-rare earth oxide catalysts for the dry reforming of methane. J Catal 2021. [DOI: 10.1016/j.jcat.2020.11.028] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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19
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Smart Designs of Anti-Coking and Anti-Sintering Ni-Based Catalysts for Dry Reforming of Methane: A Recent Review. REACTIONS 2020. [DOI: 10.3390/reactions1020013] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Dry reforming of methane (DRM) reaction has drawn much interest due to the reduction of greenhouse gases and production of syngas. Coking and sintering have hindered the large-scale operations of Ni-based catalysts in DRM reactions at high temperatures. Smart designs of Ni-based catalysts are comprehensively summarized in fourth aspects: surface regulation, oxygen defects, interfacial engineering, and structural optimization. In each part, details of the designs and anti-deactivation mechanisms are elucidated, followed by a summary of the main points and the recommended strategies to improve the catalytic performance, energy efficiency, and utilization rate.
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Al Abdulghani AJ, Park JH, Kozlov SM, Kang DC, AlSabban B, Pedireddy S, Aguilar-Tapia A, Ould-Chikh S, Hazemann JL, Basset JM, Cavallo L, Takanabe K. Methane dry reforming on supported cobalt nanoparticles promoted by boron. J Catal 2020. [DOI: 10.1016/j.jcat.2020.09.015] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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21
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Catalytic Performance of Lanthanum Promoted Ni/ZrO2 for Carbon Dioxide Reforming of Methane. Processes (Basel) 2020. [DOI: 10.3390/pr8111502] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Nickel catalysts supported on zirconium oxide and modified by various amounts of lanthanum with 10, 15, and 20 wt.% were synthesized for CO2 reforming of methane. The effect of La2O3 as a promoter on the stability of the catalyst, the amount of carbon formed, and the ratio of H2 to CO were investigated. In this study, we observed that promoting the catalyst with La2O3 enhanced catalyst activities. The conversions of the feed, i.e., methane and carbon dioxide, were in the order 10La2O3 > 15La2O3 > 20La2O3 > 0La2O3, with the highest conversions being about 60% and 70% for both CH4 and CO2 respectively. Brunauer–Emmett–Teller (BET) analysis showed that the surface area of the catalysts decreased slightly with increasing La2O3 doping. We observed that 10% La2O3 doping had the highest specific surface area (21.6 m2/g) and the least for the un-promoted sample. The higher surface areas of the promoted samples relative to the reference catalyst is an indication of the concentration of the metals at the mouths of the pores of the support. XRD analysis identified the different phases available, which ranged from NiO species to the monoclinic and tetragonal phases of ZrO2. Temperature programmed reduction (TPR) analysis showed that the addition of La2O3 lowered the activation temperature needed for the promoted catalysts. The structural changes in the morphology of the fresh catalyst were revealed by microscopic analysis. The elemental compositions of the catalyst, synthesized through energy dispersive X-ray analysis, were virtually the same as the calculated amount used for the synthesis. The thermogravimetric analysis (TGA) of spent catalysts showed that the La2O3 loading of 10 wt.% contributed to the gasification of carbon deposits and hence gave about 1% weight-loss after a reaction time of 7.5 h at 700 °C.
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Pauletto G, Vaccari A, Groppi G, Bricaud L, Benito P, Boffito DC, Lercher JA, Patience GS. FeCrAl as a Catalyst Support. Chem Rev 2020; 120:7516-7550. [DOI: 10.1021/acs.chemrev.0c00149] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Gianluca Pauletto
- Chemical Engineering Department, École Polytechnique de Montréal, 2900 Boulevard Édourd-Montpetit, Montréal H3T 1J4, Canada
- Department of Chemistry, Technical University of Munich, 4 Lichtenbergstr, 85747 Garching, Germany
| | - Angelo Vaccari
- Department of Industrial Chemistry “Toso Montanari”, University of Bologna, Viale Risorgimento 4, 41036 Bologna, Italy
| | - Gianpiero Groppi
- Laboratory of Catalysis and Catalytic Processes, Dipartimento di Energia, Politecnico di Milano, via La Masa 34, 20156 Milano, Italy
| | - Lauriane Bricaud
- Chemical Engineering Department, École Polytechnique de Montréal, 2900 Boulevard Édourd-Montpetit, Montréal H3T 1J4, Canada
- Ecole Nationale Superieure des Mines, 158 Cours Fauriel, 42023 St Etienne, France
| | - Patricia Benito
- Department of Industrial Chemistry “Toso Montanari”, University of Bologna, Viale Risorgimento 4, 41036 Bologna, Italy
| | - Daria C. Boffito
- Chemical Engineering Department, École Polytechnique de Montréal, 2900 Boulevard Édourd-Montpetit, Montréal H3T 1J4, Canada
| | - Johannes A. Lercher
- Department of Chemistry, Technical University of Munich, 4 Lichtenbergstr, 85747 Garching, Germany
- Pacific Northwest National Laboratory, Institute for Integrated Catalysis, 902 Battelle Boulevard, Richland, Washington 99352, United States
| | - Gregory S. Patience
- Chemical Engineering Department, École Polytechnique de Montréal, 2900 Boulevard Édourd-Montpetit, Montréal H3T 1J4, Canada
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23
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Wang Y, Zhao Q, Wang Y, Hu C, Da Costa P. One-Step Synthesis of Highly Active and Stable Ni–ZrOx for Dry Reforming of Methane. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c01416] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ye Wang
- Sorbonne Université, Institut Jean Le Rond d’Alembert, CNRS, 2 Place de la Gare de Ceinture, Saint-Cyr-L’Ecole 78210, France
- College of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, P. R. China
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, P. R. China
| | - Qing Zhao
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, P. R. China
| | - Yannan Wang
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, P. R. China
| | - Changwei Hu
- College of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, P. R. China
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, P. R. China
| | - Patrick Da Costa
- Sorbonne Université, Institut Jean Le Rond d’Alembert, CNRS, 2 Place de la Gare de Ceinture, Saint-Cyr-L’Ecole 78210, France
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Song Y, Ozdemir E, Ramesh S, Adishev A, Subramanian S, Harale A, Albuali M, Fadhel BA, Jamal A, Moon D, Choi SH, Yavuz CT. Dry reforming of methane by stable Ni-Mo nanocatalysts on single-crystalline MgO. Science 2020; 367:777-781. [PMID: 32054760 DOI: 10.1126/science.aav2412] [Citation(s) in RCA: 156] [Impact Index Per Article: 39.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 10/07/2019] [Accepted: 12/18/2019] [Indexed: 01/20/2023]
Abstract
Large-scale carbon fixation requires high-volume chemicals production from carbon dioxide. Dry reforming of methane could provide an economically feasible route if coke- and sintering-resistant catalysts were developed. Here, we report a molybdenum-doped nickel nanocatalyst that is stabilized at the edges of a single-crystalline magnesium oxide (MgO) support and show quantitative production of synthesis gas from dry reforming of methane. The catalyst runs more than 850 hours of continuous operation under 60 liters per unit mass of catalyst per hour reactive gas flow with no detectable coking. Synchrotron studies also show no sintering and reveal that during activation, 2.9 nanometers as synthesized crystallites move to combine into stable 17-nanometer grains at the edges of MgO crystals above the Tammann temperature. Our findings enable an industrially and economically viable path for carbon reclamation, and the "Nanocatalysts On Single Crystal Edges" technique could lead to stable catalyst designs for many challenging reactions.
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Affiliation(s)
- Youngdong Song
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141 Korea
| | - Ercan Ozdemir
- Graduate School of EEWS, KAIST, Daejeon, 34141 Korea.,Institute of Nanotechnology, Gebze Technical University, Kocaeli, 41400 Turkey
| | | | | | | | - Aadesh Harale
- Research and Development Center, Saudi Aramco, Dhahran, 31311 Saudi Arabia
| | - Mohammed Albuali
- Research and Development Center, Saudi Aramco, Dhahran, 31311 Saudi Arabia
| | - Bandar Abdullah Fadhel
- Research and Development Center, Saudi Aramco, Dhahran, 31311 Saudi Arabia.,Saudi-Aramco-KAIST CO2 Management Center, KAIST, Daejeon, 34141 Korea
| | - Aqil Jamal
- Research and Development Center, Saudi Aramco, Dhahran, 31311 Saudi Arabia.,Saudi-Aramco-KAIST CO2 Management Center, KAIST, Daejeon, 34141 Korea
| | - Dohyun Moon
- Pohang Accelerator Laboratory, Pohang, 37673 Korea
| | - Sun Hee Choi
- Pohang Accelerator Laboratory, Pohang, 37673 Korea
| | - Cafer T Yavuz
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141 Korea. .,Graduate School of EEWS, KAIST, Daejeon, 34141 Korea.,Saudi-Aramco-KAIST CO2 Management Center, KAIST, Daejeon, 34141 Korea.,Department of Chemistry, KAIST, Daejeon, 34141 Korea
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25
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Kong W, Fu Y, Zhang J, Sun Y. Stabilized Ni nanoparticles derived from silicate via hydrothermal method for carbon dioxide reforming of methane. Chem Phys Lett 2020. [DOI: 10.1016/j.cplett.2019.137027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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26
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Abstract
Yttrium-doped NiO–ZrOm catalyst was found to be novel for carbon resistance in the CO2 reforming of methane. Yttrium-free and -doped NiO–ZrOm catalysts were prepared by a one-step urea hydrolysis method and characterized by Brunauer-Emmett-Teller (BET), TPR-H2, CO2-TPD, XRD, TEM and XPS. Yttrium-doped NiO–ZrOm catalyst resulted in higher interaction between Ni and ZrOm, higher distribution of weak and medium basic sites, and smaller Ni crystallite size, as compared to the Y-free NiO–ZrOm catalyst after reaction. The DRM catalytic tests were conducted at 700 °C for 8 h, leading to a significant decrease of activity and selectivity for the yttrium-doped NiO–ZrOm catalyst. The carbon deposition after the DRM reaction on yttrium-doped NiO–ZrOm catalyst was lower than on yttrium-free NiO–ZrOm catalyst, which indicated that yttrium could promote the inhibition of carbon deposition during the DRM process.
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Li H, Cheng S, He Y, Javed M, Yang G, Yang R, Tsubaki N. A Study on the Effect of pH Value of Impregnation Solution in Nickel Catalyst Preparation for Methane Dry Reforming Reaction. ChemistrySelect 2019. [DOI: 10.1002/slct.201901910] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Hangjie Li
- Department of Applied ChemistryGraduate School of EngineeringUniversity of Toyama, Gofuku 3190 Toyama 930–8555 Japan
- Zhejiang Provincial Key Lab. for Chem. & Bio. Processing Technology of Farm ProductsSchool of Biological and Chemical EngineeringZhejiang University of Science and Technology Hangzhou 310023 PR China
| | - Shilin Cheng
- Zhejiang Provincial Key Lab. for Chem. & Bio. Processing Technology of Farm ProductsSchool of Biological and Chemical EngineeringZhejiang University of Science and Technology Hangzhou 310023 PR China
| | - Yingluo He
- Department of Applied ChemistryGraduate School of EngineeringUniversity of Toyama, Gofuku 3190 Toyama 930–8555 Japan
| | - Mudassar Javed
- Zhejiang Provincial Key Lab. for Chem. & Bio. Processing Technology of Farm ProductsSchool of Biological and Chemical EngineeringZhejiang University of Science and Technology Hangzhou 310023 PR China
| | - Guohui Yang
- Department of Applied ChemistryGraduate School of EngineeringUniversity of Toyama, Gofuku 3190 Toyama 930–8555 Japan
| | - Ruiqin Yang
- Zhejiang Provincial Key Lab. for Chem. & Bio. Processing Technology of Farm ProductsSchool of Biological and Chemical EngineeringZhejiang University of Science and Technology Hangzhou 310023 PR China
| | - Noritatsu Tsubaki
- Department of Applied ChemistryGraduate School of EngineeringUniversity of Toyama, Gofuku 3190 Toyama 930–8555 Japan
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28
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Influence of the support on the activity of a supported nickel-promoted molybdenum carbide catalyst for dry reforming of methane. J Catal 2019. [DOI: 10.1016/j.jcat.2019.05.024] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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29
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Li L, Yan K, Chen J, Feng T, Wang F, Wang J, Song Z, Ma C. Fe-rich biomass derived char for microwave-assisted methane reforming with carbon dioxide. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 657:1357-1367. [PMID: 30677902 DOI: 10.1016/j.scitotenv.2018.12.097] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Revised: 12/07/2018] [Accepted: 12/07/2018] [Indexed: 06/09/2023]
Abstract
Microwave-assisted methane reforming with carbon dioxide was dealt with in this work, using a Fe-rich biomass-derived char by one-step preparation. The main factors on the reforming reaction and stability of this catalyst were evaluated, together with a series of characterization on the produced gas and the used char. The char obtained from biomass pyrolysis with Fe2O3 addition of 10% exhibited the best performance on dry reforming reaction. A target CH4 conversion of 95% over this char was realized at 800 °C. Moreover, H2/CO ratio achieved with this char was prone to approach the stoichiometric value. Compared to CO2 conversion, CH4 conversion was more promoted with the increase of CO2/CH4 ratio. The variation of CO2/CH4 ratio also leaded to a noticeable changes on H2/CO ratio. More importantly, the selected char presented a satisfied stability, evidenced by the total decrease of 4.8% for CH4 conversion and 3.1% for CO2 conversion in the test of 160 min. This was contributed to a depressed in-situ carbon consumption and a moderate deterioration of porous structure. Gaseous products obtained with the appropriate char in a long run had a syngas content of 88.79% and H2/CO ratio of 0.92 on average.
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Affiliation(s)
- Longzhi Li
- College of Mechanical and Electronic Engineering, Shandong University of Science and Technology, 266590, Qingdao, Shandong Province, China.
| | - Keshuo Yan
- College of Mechanical and Electronic Engineering, Shandong University of Science and Technology, 266590, Qingdao, Shandong Province, China
| | - Jian Chen
- College of Mechanical and Electronic Engineering, Shandong University of Science and Technology, 266590, Qingdao, Shandong Province, China
| | - Tai Feng
- College of Mechanical and Electronic Engineering, Shandong University of Science and Technology, 266590, Qingdao, Shandong Province, China
| | - Fumao Wang
- College of Mechanical and Electronic Engineering, Shandong University of Science and Technology, 266590, Qingdao, Shandong Province, China
| | - Jianwei Wang
- College of Mechanical and Electronic Engineering, Shandong University of Science and Technology, 266590, Qingdao, Shandong Province, China
| | - Zhanlong Song
- National Engineering Laboratory of Coal-fired Pollutants Emission Reduction, School of Energy and Power Engineering, Shandong University, 250061, Jinan, Shandong Province, China
| | - Chunyuan Ma
- National Engineering Laboratory of Coal-fired Pollutants Emission Reduction, School of Energy and Power Engineering, Shandong University, 250061, Jinan, Shandong Province, China
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30
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Design of Ni-ZrO2@SiO2 catalyst with ultra-high sintering and coking resistance for dry reforming of methane to prepare syngas. J CO2 UTIL 2018. [DOI: 10.1016/j.jcou.2018.08.003] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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31
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Lin C, Jang JB, Zhang L, Stach EA, Gorte RJ. Improved Coking Resistance of “Intelligent” Ni Catalysts Prepared by Atomic Layer Deposition. ACS Catal 2018. [DOI: 10.1021/acscatal.8b01598] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Chao Lin
- Department of Chemical and Biomolecular Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Joon Baek Jang
- Department of Chemical and Biomolecular Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Lihua Zhang
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Eric A. Stach
- Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Raymond J. Gorte
- Department of Chemical and Biomolecular Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
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Dossumov K, Yergaziyeva Y, Myltykbayeva L, Telbayeva M. Dry Reforming of Methane on Carriers and Oxide Catalysts to Synthesis-Gas. EURASIAN CHEMICO-TECHNOLOGICAL JOURNAL 2018. [DOI: 10.18321/ectj691] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
The catalytic activity of carriers: θ‒Al2O3, γ‒Al2O3, 5A, 4A, 3A and 13X and the oxides of metals of variable valency ‒ NiO, La2O3, CuO, MoO3, MgO, V2O5, WO3, CoO, Cr2O3, ZnO, ZrO2, CeO2, Fe2O3, supported on the effective carrier γ‒Al2O3 by the method of capillary impregnation of the support with solutions of nitric salts of metals were investigated in the process of carbon dioxide conversion of methane (DRM). The optimal technological regimes for the process were: the reaction temperature -800 °C, the space velocity of the initial reactants ‒ 1500 h-1 with a methane to carbon dioxide ratio equal to 1. It was found that among the studied catalysts the highest activity is shown by the NiO/γ‒Al2O3 catalyst, where the yields of hydrogen and carbon monoxide reaches 45.4 and 42.4% by volume, respectively, when methane conversion is 89%. The XRF method showed that the content of alumina and nickel oxide after the reaction remained unchanged at 96.7 and 3.0%, respectively. Scanning electron microscopy (SEM), transmission electron microscopy (TEM), small angle X-ray scattering (XRS) determined that nickel-containing NiO/γ‒Al2O3 catalyst form nickel nanoparticles (6.4‒10 and 50‒150 nm) and a uniform their distribution on the surface of the carrier takes place. These physical chemical characteristics have a positive effect on the activity of NiO/γ‒Al2O3 catalyst in the process of carbon dioxide conversion of methane to synthesis gas.
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Price CAH, Pastor-Pérez L, Ramirez Reina T, Liu J. Robust mesoporous bimetallic yolk–shell catalysts for chemical CO2 upgrading via dry reforming of methane. REACT CHEM ENG 2018. [DOI: 10.1039/c8re00058a] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new generation highly efficient and stable mesoporous ZnO/Ni@silica yolk–shell catalyst is designed for chemical CO2 recycling, to solve the coking and sintering issues of traditional catalysts.
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Affiliation(s)
| | - Laura Pastor-Pérez
- Department of Chemical Engineering and Process Engineering
- University of Surrey
- Guildford
- UK
- Laboratorio de Materiales Avanzados
| | - Tomas Ramirez Reina
- Department of Chemical Engineering and Process Engineering
- University of Surrey
- Guildford
- UK
| | - Jian Liu
- Department of Chemical Engineering and Process Engineering
- University of Surrey
- Guildford
- UK
- State Key Laboratory of Catalysis
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