1
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Qiao Y, Cao W, Qian SJ, Yao Z, Wang YG. Solvation enhanced long-range proton transfer in aqueous phase for glycolaldehyde hydrogenation over Ru/C catalyst. J Chem Phys 2024; 160:074705. [PMID: 38375907 DOI: 10.1063/5.0185491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Accepted: 01/23/2024] [Indexed: 02/21/2024] Open
Abstract
The catalytic hydrogenation of biomass-derived chemicals is essential in chemical industry due to the growing demand for sustainable and renewable energy sources. In this study, we present a comprehensive theoretical investigation regarding the hydrogenation of glycolaldehyde to ethylene glycol over a Ru/C catalyst by employing density functional theory and ab initio molecular dynamics simulations. With inclusion of explicit solvation, we have demonstrated that the glycolaldehyde hydrogenation is significantly improved due to the fast proton transfer through the hydrogen bond network. The enhanced activity could be attributed to the participation of the solvent water as the hydrogen source and the highly positively charged state of a Ru cluster in an aqueous phase, which are critical for the activation of aldehyde groups and proton-assisted hydrogenation. Overall, our findings provide valuable insights into glycolaldehyde hydrogenation over Ru/C catalysts in the aqueous phase, highlighting the importance of solvation effects in the biomass conversion.
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Affiliation(s)
- Ying Qiao
- Department of Chemistry and Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Wei Cao
- Department of Chemistry and Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Sheng-Jie Qian
- Department of Chemistry and Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Zhen Yao
- Department of Chemistry and Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Yang-Gang Wang
- Department of Chemistry and Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
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2
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Cao W, Xia GJ, Yao Z, Zeng KH, Qiao Y, Wang YG. Aldehyde Hydrogenation by Pt/TiO 2 Catalyst in Aqueous Phase: Synergistic Effect of Oxygen Vacancy and Solvent Water. JACS AU 2023; 3:143-153. [PMID: 36711102 PMCID: PMC9875238 DOI: 10.1021/jacsau.2c00560] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 12/06/2022] [Accepted: 12/08/2022] [Indexed: 06/18/2023]
Abstract
The aldehyde hydrogenation for stabilizing and upgrading biomass is typically performed in aqueous phase with supported metal catalysts. By combining density functional theory calculations and ab initio molecular dynamics simulations, the model reaction of formaldehyde hydrogenation with a Pt/TiO2 catalyst is investigated with explicit solvent water molecules. In aqueous phase, both the O vacancy (Ov) on support and solvent molecules could donate charges to a Pt cluster, where the Ov could dominantly reduce the Pt cluster from positive to negative. During the formaldehyde hydrogenation, the water molecules could spontaneously protonate the O in the aldehyde group by acid/base exchange, generating the OH* at the metal-support interface by long-range proton transfer. By comparing the stoichiometric and reduced TiO2 support, it is found that the further hydrogenation of OH* is hard on the positively charged Pt cluster over stoichiometric TiO2. However, with the presence of Ov on reduced support, the OH* hydrogenation could become not only exergonic but also kinetically more facile, which prohibits the catalyst from poisoning. This mechanism suggests that both the proton transfer from solvent water molecules and the easier OH* hydrogenation from Ov could synergistically promote aldehyde hydrogenation. That means, even for such simple hydrogenation in water, the catalytic mechanism could explicitly relate to all of the metal cluster, oxide support, and solvent waters. Considering the ubiquitous Ov defects in reducible oxide supports and the common aqueous environment, this synergistic effect may not be exclusive to Pt/TiO2, which can be crucial for supported metal catalysts in biomass conversion.
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3
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Mechanistic classification and benchmarking of polyolefin depolymerization over silica-alumina-based catalysts. Nat Commun 2022; 13:4850. [PMID: 35977921 PMCID: PMC9385622 DOI: 10.1038/s41467-022-32563-y] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 08/05/2022] [Indexed: 11/29/2022] Open
Abstract
Carbon-carbon bond cleavage mechanisms play a key role in the selective deconstruction of alkanes and polyolefins. Here, we show that the product distribution, which encompasses carbon range and formation of unsaturated and isomerization products, serves as a distinctive feature that allows the reaction pathways of different catalysts to be classified. Co, Ni, or Ru nanoparticles immobilized on amorphous silica-alumina, Zeo-Y and ZSM-5, were evaluated as catalysts in the deconstruction of n-hexadecane model substrate with hydrogen to delineate between different mechanisms, i.e., monofunctional- (acid site dominated) or bifunctional-hydrocracking (acid site & metal site) versus hydrogenolysis (metal site dominated), established from the product distributions. The ZSM-5-based catalysts were further studied in the depolymerization of polyethylene. Based on these studies, the catalysts are plotted on an activity-mechanism map that functions as an expandable basis to benchmark catalytic activity and to identify optimal catalysts that afford specific product distributions. The systematic approach reported here should facilitate the acceleration of catalyst discovery for polyolefin depolymerization. Product distributions have been used to classify the depolymerization pathways of polyolefins catalyzed by silica-alumina-based catalysts to construct an activity-mechanism map as a benchmarking tool to facilitate catalyst discovery.
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4
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Shangguan J, Hensley AJ, Morgenstern L, Li Z, McEwen JS, Ma W, Cathy China YH. Brønsted Acidity of H-adatoms at Protic Solvent-Transition Metal Interfaces and its Kinetic Consequences in Electrophilic Addition Reactions. J Catal 2021. [DOI: 10.1016/j.jcat.2021.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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5
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Potts DS, Bregante DT, Adams JS, Torres C, Flaherty DW. Influence of solvent structure and hydrogen bonding on catalysis at solid-liquid interfaces. Chem Soc Rev 2021; 50:12308-12337. [PMID: 34569580 DOI: 10.1039/d1cs00539a] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Solvent molecules interact with reactive species and alter the rates and selectivities of catalytic reactions by orders of magnitude. Specifically, solvent molecules can modify the free energies of liquid phase and surface species via solvation, participating directly as a reactant or co-catalyst, or competitively binding to active sites. These effects carry consequences for reactions relevant for the conversion of renewable or recyclable feedstocks, the development of distributed chemical manufacturing, and the utilization of renewable energy to drive chemical reactions. First, we describe the quantitative impact of these effects on steady-state catalytic turnover rates through a rate expression derived for a generic catalytic reaction (A → B), which illustrates the functional dependence of rates on each category of solvent interaction. Second, we connect these concepts to recent investigations of the effects of solvents on catalysis to show how interactions between solvent and reactant molecules at solid-liquid interfaces influence catalytic reactions. This discussion demonstrates that the design of effective liquid phase catalytic processes benefits from a clear understanding of these intermolecular interactions and their implications for rates and selectivities.
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Affiliation(s)
- David S Potts
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.
| | - Daniel T Bregante
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.
| | - Jason S Adams
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.
| | - Chris Torres
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.
| | - David W Flaherty
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.
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6
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Hensley AJ, Bray J, Shangguan J, Chin YH(C, McEwen JS. Catalytic consequences of hydrogen addition events and solvent-adsorbate interactions during guaiacol-H2 reactions at the H2O-Ru(0 0 0 1) interface. J Catal 2021. [DOI: 10.1016/j.jcat.2020.09.034] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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7
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Shangguan J, Hensley AJR, Gradiski MV, Pfriem N, McEwen JS, Morris RH, Chin YHC. The Role of Protons and Hydrides in the Catalytic Hydrogenolysis of Guaiacol at the Ruthenium Nanoparticle–Water Interface. ACS Catal 2020. [DOI: 10.1021/acscatal.0c01963] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Junnan Shangguan
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto M5S 3E5, Canada
| | - Alyssa J. R. Hensley
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto M5S 3E5, Canada
- The Gene & Linda Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman Washington 99164, United States
| | | | - Niklas Pfriem
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto M5S 3E5, Canada
| | - Jean-Sabin McEwen
- The Gene & Linda Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman Washington 99164, United States
- Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
- Department of Physics and Astronomy, Washington State University, Pullman, Washington 99164, United States
- Department of Biological Systems Engineering, Washington State University, Pullman, Washington 99164, United States
| | - Robert H. Morris
- Department of Chemistry, University of Toronto, Toronto M5S 3H6, Canada
| | - Ya-Huei Cathy Chin
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto M5S 3E5, Canada
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8
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Ma R, Yang T, Gao J, Kou J, Chen JZ, He Y, Miller JT, Li D. Composition Tuning of Ru-Based Phosphide for Enhanced Propane Selective Dehydrogenation. ACS Catal 2020. [DOI: 10.1021/acscatal.0c01667] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Rui Ma
- State Key Laboratory of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, China
- Davidson School of Chemical Engineering, Purdue University, 480 Stadium Mall Drive, West Lafayette, Indiana 47907, United States
| | - Tianxing Yang
- State Key Laboratory of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Junxian Gao
- Davidson School of Chemical Engineering, Purdue University, 480 Stadium Mall Drive, West Lafayette, Indiana 47907, United States
| | - Jiajing Kou
- Davidson School of Chemical Engineering, Purdue University, 480 Stadium Mall Drive, West Lafayette, Indiana 47907, United States
- State Key Laboratory of Multiphase Flow in Power Engineering (SKLMF), Xi’an Jiaotong University, 28 Xianning West Road, Xi’an, Shaanxi 710049, China
| | - Johnny Zhu Chen
- Davidson School of Chemical Engineering, Purdue University, 480 Stadium Mall Drive, West Lafayette, Indiana 47907, United States
| | - Yufei He
- State Key Laboratory of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Jeffrey T. Miller
- Davidson School of Chemical Engineering, Purdue University, 480 Stadium Mall Drive, West Lafayette, Indiana 47907, United States
| | - Dianqing Li
- State Key Laboratory of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, China
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9
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Zheng Y, Tang Z, Podkolzin SG. Catalytic Platinum Nanoparticles Decorated with Subnanometer Molybdenum Clusters for Biomass Processing. Chemistry 2020; 26:5174-5179. [DOI: 10.1002/chem.202000139] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Revised: 02/15/2020] [Indexed: 11/11/2022]
Affiliation(s)
- Yiteng Zheng
- Department of Chemical Engineering and Materials Science Stevens Institute of Technology Hoboken New Jersey 07030 USA
| | - Ziyu Tang
- Department of Chemical Engineering and Materials Science Stevens Institute of Technology Hoboken New Jersey 07030 USA
| | - Simon G. Podkolzin
- Department of Chemical Engineering and Materials Science Stevens Institute of Technology Hoboken New Jersey 07030 USA
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10
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Chen Y, Zhai Z, Liu J, Zhang J, Geng Z, Lyu H. Exploring the reaction mechanism of ethanol synthesis from acetic acid over a Ni 2In(100) surface. Phys Chem Chem Phys 2020; 22:7564-7576. [DOI: 10.1039/d0cp00241k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Incremental insights on the mechanism of ethanol synthesis from acetic acid and the unique effect on the inhibition of C–C bond breaking on the Ni2In(100) surface.
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Affiliation(s)
- Yifei Chen
- Key Laboratory for Green Chemical Technology of Ministry of Education
- R&D Center for Petrochemical Technology
- Tianjin University
- Tianjin 300072
- China
| | - Ziwei Zhai
- Key Laboratory for Green Chemical Technology of Ministry of Education
- R&D Center for Petrochemical Technology
- Tianjin University
- Tianjin 300072
- China
| | - Jiatao Liu
- Key Laboratory for Green Chemical Technology of Ministry of Education
- R&D Center for Petrochemical Technology
- Tianjin University
- Tianjin 300072
- China
| | - Jia Zhang
- Key Laboratory for Green Chemical Technology of Ministry of Education
- R&D Center for Petrochemical Technology
- Tianjin University
- Tianjin 300072
- China
| | - Zhongfeng Geng
- Key Laboratory for Green Chemical Technology of Ministry of Education
- R&D Center for Petrochemical Technology
- Tianjin University
- Tianjin 300072
- China
| | - Huisheng Lyu
- Key Laboratory for Green Chemical Technology of Ministry of Education
- R&D Center for Petrochemical Technology
- Tianjin University
- Tianjin 300072
- China
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11
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Gutiérrez-Rubio S, Moreno I, Serrano DP, Coronado JM. Hydrotreating of Guaiacol and Acetic Acid Blends over Ni 2P/ZSM-5 Catalysts: Elucidating Molecular Interactions during Bio-Oil Upgrading. ACS OMEGA 2019; 4:21516-21528. [PMID: 31867548 PMCID: PMC6921622 DOI: 10.1021/acsomega.9b03221] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 11/18/2019] [Indexed: 06/10/2023]
Abstract
Catalytic hydrodeoxygenation (HDO) is an effective technology for upgrading pyrolysis bio-oils. Although, in the past years, this process has been extensively studied, the relevance of the cross-reactivity between the numerous chemical components of bio-oil has been scarcely explored. However, molecular coupling can be beneficial for improving the bio-oil characteristics. With the aim of gaining a better understanding of these interactions, this work investigates the catalytic hydrodeoxygenation of mixtures of two typical components of pyrolysis bio-oils: guaiacol and acetic acid. The catalytic tests were carried out employing a bifunctional catalyst based on nickel phosphide (Ni2P) deposited over a commercial nanocrystalline ZSM-5 zeolite. The influence of both hydrogen availability and temperature on the activity and product distribution, was evaluated by carrying out reactions under different H2 pressures (40-10 bar) and temperatures (between 260 and 300 °C). Using blends of both substrates, a partial inhibition of guaiacol HDO occurred because of the competence of acetic acid for the catalytic active sites. Nevertheless, positive interactions were also observed, mainly esterification and acylation reactions, which could enhance the bio-oil stability by reducing acidity, lowering the oxygen content, and increasing the chain length of the components. In this respect, formation of acetophenones, which can be further hydrogenated to yield ethyl phenols, is of particular interest for biorefinery applications. Increasing the temperature results in an increment of conversion but a decrease in the yield of fully deoxygenated molecules due to the production of higher proportion of catechol and related products. Additional experiments performed in the absence of hydrogen revealed that esterification reactions are homogeneously self-catalyzed by acetic acid, while acylation processes are mainly catalyzed by the acidic sites of the zeolitic support.
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Affiliation(s)
- Santiago Gutiérrez-Rubio
- Thermochemical
Processes Unit, IMDEA Energy Institute, Avda. Ramón de la Sagra 3, Móstoles, Madrid 28935, Spain
| | - Inés Moreno
- Thermochemical
Processes Unit, IMDEA Energy Institute, Avda. Ramón de la Sagra 3, Móstoles, Madrid 28935, Spain
- Chemical
and Environmental Engineering Group, ESCET, Universidad Rey Juan Carlos, c/Tulipán
s/n, Móstoles, Madrid 28933, Spain
| | - David P. Serrano
- Thermochemical
Processes Unit, IMDEA Energy Institute, Avda. Ramón de la Sagra 3, Móstoles, Madrid 28935, Spain
- Chemical
and Environmental Engineering Group, ESCET, Universidad Rey Juan Carlos, c/Tulipán
s/n, Móstoles, Madrid 28933, Spain
| | - Juan M. Coronado
- Thermochemical
Processes Unit, IMDEA Energy Institute, Avda. Ramón de la Sagra 3, Móstoles, Madrid 28935, Spain
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12
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Cai H, Schimmenti R, Nie H, Mavrikakis M, Chin YHC. Mechanistic Role of the Proton–Hydride Pair in Heteroarene Catalytic Hydrogenation. ACS Catal 2019. [DOI: 10.1021/acscatal.9b01997] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Haiting Cai
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario M5S 3E5, Canada
| | - Roberto Schimmenti
- Department of Chemical and Biological Engineering, University of Wisconsin—Madison, Madison, Wisconsin 53706, United States
| | - Haoyu Nie
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario M5S 3E5, Canada
| | - Manos Mavrikakis
- Department of Chemical and Biological Engineering, University of Wisconsin—Madison, Madison, Wisconsin 53706, United States
| | - Ya-Huei Cathy Chin
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario M5S 3E5, Canada
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13
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Cao J, Ding S, Wang H, Han J, Ge Q, Zhu X. Conversion of C2–4 Carboxylic Acids to Hydrocarbons on HZSM-5: Effect of Carbon Chain Length. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b01755] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jianpeng Cao
- Collaborative Innovation Center of Chemical Science and Engineering, Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Shuang Ding
- Collaborative Innovation Center of Chemical Science and Engineering, Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Hua Wang
- Collaborative Innovation Center of Chemical Science and Engineering, Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Jinyu Han
- Collaborative Innovation Center of Chemical Science and Engineering, Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Qingfeng Ge
- Collaborative Innovation Center of Chemical Science and Engineering, Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Department of Chemistry and Biochemistry, Southern Illinois University, Carbondale, Illinois 62901, United States
| | - Xinli Zhu
- Collaborative Innovation Center of Chemical Science and Engineering, Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
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14
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Shi H. Valorization of Biomass‐derived Small Oxygenates: Kinetics, Mechanisms and Site Requirements of H2‐involved Hydrogenation and Deoxygenation Pathways over Heterogeneous Catalysts. ChemCatChem 2019. [DOI: 10.1002/cctc.201801828] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Hui Shi
- Department of Chemistry, Catalysis Research CenterTechnical University Munich Lichtenbergstrasse 4 85747 Garching Germany
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15
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Shangguan J, Pfriem N, Chin YH(C. Mechanistic details of C O bond activation in and H-addition to guaiacol at water-Ru cluster interfaces. J Catal 2019. [DOI: 10.1016/j.jcat.2018.11.036] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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16
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Shangguan J, Chin YHC. Kinetic Significance of Proton–Electron Transfer during Condensed Phase Reduction of Carbonyls on Transition Metal Clusters. ACS Catal 2019. [DOI: 10.1021/acscatal.8b03470] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Junnan Shangguan
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario M5S 3E5, Canada
| | - Ya-Huei Cathy Chin
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario M5S 3E5, Canada
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17
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Chen Y, Zhai Z, Liu J, Zhang J, Geng Z, Lyu H. The synergistic effects of Cu clusters and In2O3 on ethanol synthesis from acetic acid hydrogenation. Phys Chem Chem Phys 2019; 21:23906-23915. [DOI: 10.1039/c9cp04766b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Reaction cycle of acetic acid hydrogenation to ethanol on a Cu4/In2O3(110) surface.
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Affiliation(s)
- Yifei Chen
- Key Laboratory for Green Chemical Technology of Ministry of Education
- R&D Center for Petrochemical Technology
- Tianjin University
- Tianjin 300072
- China
| | - Ziwei Zhai
- Key Laboratory for Green Chemical Technology of Ministry of Education
- R&D Center for Petrochemical Technology
- Tianjin University
- Tianjin 300072
- China
| | - Jiatao Liu
- Key Laboratory for Green Chemical Technology of Ministry of Education
- R&D Center for Petrochemical Technology
- Tianjin University
- Tianjin 300072
- China
| | - Jia Zhang
- Key Laboratory for Green Chemical Technology of Ministry of Education
- R&D Center for Petrochemical Technology
- Tianjin University
- Tianjin 300072
- China
| | - Zhongfeng Geng
- Key Laboratory for Green Chemical Technology of Ministry of Education
- R&D Center for Petrochemical Technology
- Tianjin University
- Tianjin 300072
- China
| | - Huisheng Lyu
- Key Laboratory for Green Chemical Technology of Ministry of Education
- R&D Center for Petrochemical Technology
- Tianjin University
- Tianjin 300072
- China
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18
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19
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Louven Y, Schute K, Palkovits R. Ruthenium Catalyzed Reductive Transformation of Itaconic Acid and Ammonia Into 3‐ and 4‐Methyl‐pyrrolidone. ChemCatChem 2018. [DOI: 10.1002/cctc.201801751] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yannik Louven
- Institut für Technische und Makromolekulare Chemie (ITMC)RWTH Aachen University Worringerweg 2 Aachen 52074 Germany
| | - Kai Schute
- Institut für Technische und Makromolekulare Chemie (ITMC)RWTH Aachen University Worringerweg 2 Aachen 52074 Germany
| | - Regina Palkovits
- Institut für Technische und Makromolekulare Chemie (ITMC)RWTH Aachen University Worringerweg 2 Aachen 52074 Germany
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20
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Verma AM, Kishore N. Decomposition of acetic acid over Ru and Ru/MgO catalyst clusters under DFT framework. Chem Phys Lett 2018. [DOI: 10.1016/j.cplett.2018.09.030] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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21
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Chen H, Bai W, He Y, Pfefferle LD, Qi S, Wu Y. Catalytic Hydrogenation of Octanoic Acid in the Gaseous Phase on Ni Catalysts: The Effect of Support Species and Structure. Ind Eng Chem Res 2018. [DOI: 10.1021/acs.iecr.8b04141] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Hao Chen
- Department of Chemical Engineering, School of Chemical Engineering and Technology, Xi’an Jiaotong University, Xi’an, Shaanxi 710049, P.R. China
| | - Wenjie Bai
- Department of Chemical Engineering, School of Chemical Engineering and Technology, Xi’an Jiaotong University, Xi’an, Shaanxi 710049, P.R. China
| | - Yulian He
- Department of Chemical & Environmental Engineering, Yale University, New Haven, Connecticut 06520-8286, United States
| | - Lisa D. Pfefferle
- Department of Chemical & Environmental Engineering, Yale University, New Haven, Connecticut 06520-8286, United States
| | - Suitao Qi
- Department of Chemical Engineering, School of Chemical Engineering and Technology, Xi’an Jiaotong University, Xi’an, Shaanxi 710049, P.R. China
| | - Yulong Wu
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, P.R. China
- Key Laboratory of Advanced Reactor Engineering and Safety of Ministry of Education, Tsinghua University, Beijing 100084, P.R. China
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22
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Almithn A, Hibbitts D. Effects of Catalyst Model and High Adsorbate Coverages in ab Initio Studies of Alkane Hydrogenolysis. ACS Catal 2018. [DOI: 10.1021/acscatal.8b01114] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Abdulrahman Almithn
- Department of Chemical Engineering, University of Florida, Gainesville, Florida 32611, United States
| | - David Hibbitts
- Department of Chemical Engineering, University of Florida, Gainesville, Florida 32611, United States
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23
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Wei Q, Ma Q, Zuo P, Fan H, Qu S, Shen W. Hollow Structure and Electron Promotion Effect of Mesoporous Pd/CeO2
Catalyst for Enhanced Catalytic Hydrogenation. ChemCatChem 2018. [DOI: 10.1002/cctc.201701457] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Qinhong Wei
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry; Chinese Academy Sciences; No. 27 Taoyuan South Road Taiyuan 030001 P.R. China
| | - Qingxiang Ma
- State Key Laboratory of High-Efficiency Coal Utilization and Green Chemical Engineering; Ningxia University; Yinchuan 750021 P.R. China
| | - Pingping Zuo
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry; Chinese Academy Sciences; No. 27 Taoyuan South Road Taiyuan 030001 P.R. China
| | - Huailin Fan
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry; Chinese Academy Sciences; No. 27 Taoyuan South Road Taiyuan 030001 P.R. China
| | - Shijie Qu
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry; Chinese Academy Sciences; No. 27 Taoyuan South Road Taiyuan 030001 P.R. China
| | - Wenzhong Shen
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry; Chinese Academy Sciences; No. 27 Taoyuan South Road Taiyuan 030001 P.R. China
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Liu J, Hibbitts D, Iglesia E. Dense CO Adlayers as Enablers of CO Hydrogenation Turnovers on Ru Surfaces. J Am Chem Soc 2017; 139:11789-11802. [PMID: 28825476 DOI: 10.1021/jacs.7b04606] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
High CO* coverages lead to rates much higher than Langmuirian treatments predict because co-adsorbate interactions destabilize relevant transition states less than their bound precursors. This is shown here by kinetic and spectroscopic data-interpreted by rate equations modified for thermodynamically nonideal surfaces-and by DFT treatments of CO-covered Ru clusters and lattice models that mimic adlayer densification. At conditions (0.01-1 kPa CO; 500-600 K) which create low CO* coverages (0.3-0.8 ML from in situ infrared spectra), turnover rates are accurately described by Langmuirian models. Infrared bands indicate that adlayers nearly saturate and then gradually densify as pressure increases above 1 kPa CO, and rates become increasingly larger than those predicted from Langmuir treatments (15-fold at 25 kPa and 70-fold at 1 MPa CO). These strong rate enhancements are described here by adapting formalisms for reactions in nonideal and nearly incompressible media (liquids, ultrahigh-pressure gases) to handle the strong co-adsorbate interactions within the nearly incompressible CO* adlayer. These approaches show that rates are enhanced by densifying CO* adlayers because CO hydrogenation has a negative activation area (calculated by DFT), analogous to how increasing pressure enhances rates for liquid-phase reactions with negative activation volumes. Without these co-adsorbate effects and the negative activation area of CO activation, Fischer-Tropsch synthesis would not occur at practical rates. These findings and conceptual frameworks accurately treat dense surface adlayers and are relevant in the general treatment of surface catalysis as it is typically practiced at conditions leading to saturation coverages of reactants or products.
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Affiliation(s)
- Jianwei Liu
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum , Qingdao 266580, China.,Department of Chemical and Biomolecular Engineering, University of California , Berkeley, California 94720, United States
| | - David Hibbitts
- Department of Chemical and Biomolecular Engineering, University of California , Berkeley, California 94720, United States.,Department of Chemical Engineering, University of Florida , Gainesville, Florida 32611, United States
| | - Enrique Iglesia
- Department of Chemical and Biomolecular Engineering, University of California , Berkeley, California 94720, United States
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