1
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Hsieh TE, Frisch J, Wilks RG, Papp C, Bär M. Impact of Catalysis-Relevant Oxidation and Annealing Treatments on Nanostructured GaRh Alloys. ACS APPLIED MATERIALS & INTERFACES 2024; 16:19858-19865. [PMID: 38591845 DOI: 10.1021/acsami.4c02286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/10/2024]
Abstract
In this study, we examine the surface-derived electronic and chemical structures of nanostructured GaRh alloys as a model system for supported catalytically active liquid metal solutions (SCALMS), a novel catalyst candidate for dehydrogenation reactions that are important for the petrochemical and hydrogen energy industry. It is reported that under ambient conditions, SCALMS tends to form a gallium oxide shell, which can be removed by an activation treatment at elevated temperatures and hydrogen flow to enhance the catalytic reactivity. We prepared a 7 at. % Rh containing the GaRh sample and interrogated the evolution of the surface chemical and electronic structure by photoelectron spectroscopy (complemented by scanning electron microscopy) upon performing surface oxidation and (activation treatment mimicking) annealing treatments in ultrahigh vacuum conditions. The initially pronounced Rh 4d and Fermi level-derived states in the valence band spectra disappear upon oxidation (due to formation of a GaOx shell) but reemerge upon annealing, especially for temperatures of 600 °C and above, i.e., when the GaOx shell is efficiently being removed and the Ga matrix is expected to be liquid. At the same temperature, new spectroscopic features at both the high and low binding energy sides of the Rh 3d5/2 spectra are observed, which we attribute to new GaRh species with depleted and enriched Rh contents, respectively. A liquefied and GaOx-free surface is also expected for GaRh SCALMS at reaction conditions, and thus the revealed high-temperature properties of the GaRh alloy provide insights about respective catalysts at work.
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Affiliation(s)
- Tzung-En Hsieh
- Department Interface Design, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (HZB), 12489 Berlin, Germany
| | - Johannes Frisch
- Department Interface Design, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (HZB), 12489 Berlin, Germany
- Energy Materials In-situ Laboratory Berlin (EMIL), HZB, 12489 Berlin, Germany
| | - Regan G Wilks
- Department Interface Design, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (HZB), 12489 Berlin, Germany
- Energy Materials In-situ Laboratory Berlin (EMIL), HZB, 12489 Berlin, Germany
| | - Christian Papp
- Freie Universität Berlin, Physical and Theoretical Chemistry, 14195Berlin, Germany
| | - Marcus Bär
- Department Interface Design, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (HZB), 12489 Berlin, Germany
- Department of Chemistry and Pharmacy, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91058 Erlangen, Germany
- Energy Materials In-situ Laboratory Berlin (EMIL), HZB, 12489 Berlin, Germany
- Department X-ray Spectroscopy at Interfaces of Thin Films, Helmholtz-Institute Erlangen-Nürnberg for Renewable Energy (HI ERN), 12489 Berlin, Germany
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2
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Tian Y, Gao M, Xie H, Xu S, Ye M, Liu Z. Spatiotemporal Heterogeneity of Temperature and Catalytic Activation within Individual Catalyst Particles. J Am Chem Soc 2024; 146:4958-4972. [PMID: 38334752 DOI: 10.1021/jacs.3c14305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2024]
Abstract
Temperature is a critical parameter in chemical conversion, significantly affecting the reaction kinetics and thermodynamics. Measuring temperature inside catalyst particles of industrial interest (∼micrometers to millimeters), which is crucial for understanding the evolution of chemical dynamics at catalytic active sites during reaction and advancing catalyst designs, however, remains a big challenge. Here, we propose an approach combining two-photon confocal microscopy and state-of-the-art upconversion luminescence (UL) imaging to measure the spatiotemporal-resolved temperature within individual catalyst particles in the industrially significant methanol-to-hydrocarbons reaction. Specifically, catalyst particles containing zeolites and functional nanothermometers were fabricated using microfluidic chips. Our experimental results directly demonstrate that the zeolite density and particle size can alter the temperature distribution within a single catalyst particle. Importantly, the observed temperature heterogeneity plays a decisive role in the activation of the reaction intermediate and the utilization of active sites. We expect that this work opens a venue for unveiling the reaction mechanism and kinetics within industrial catalyst particles by considering temperature heterogeneity.
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Affiliation(s)
- Yu Tian
- National Engineering Research Center of Lower-Carbon Catalysis Technology, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 10049, People's Republic of China
| | - Mingbin Gao
- National Engineering Research Center of Lower-Carbon Catalysis Technology, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People's Republic of China
| | - Hua Xie
- National Engineering Research Center of Lower-Carbon Catalysis Technology, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People's Republic of China
| | - Shuliang Xu
- National Engineering Research Center of Lower-Carbon Catalysis Technology, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People's Republic of China
| | - Mao Ye
- National Engineering Research Center of Lower-Carbon Catalysis Technology, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People's Republic of China
| | - Zhongmin Liu
- National Engineering Research Center of Lower-Carbon Catalysis Technology, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 10049, People's Republic of China
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3
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Shi Z, Bhan A. Metrics of Performance Relevant in Methanol-to-Hydrocarbons Catalysis. J Catal 2023. [DOI: 10.1016/j.jcat.2023.03.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/15/2023]
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4
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Liutkova A, Zhang H, Simons JFM, Mezari B, Mirolo M, Garcia GA, Hensen EJM, Kosinov N. Ca Cations Impact the Local Environment inside HZSM-5 Pores during the Methanol-to-Hydrocarbons Reaction. ACS Catal 2023; 13:3471-3484. [PMID: 36970466 PMCID: PMC10028611 DOI: 10.1021/acscatal.3c00059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 02/10/2023] [Indexed: 02/25/2023]
Abstract
The methanol-to-hydrocarbons (MTH) process is an industrially relevant method to produce valuable light olefins such as propylene. One of the ways to enhance propylene selectivity is to modify zeolite catalysts with alkaline earth cations. The underlying mechanistic aspects of this type of promotion are not well understood. Here, we study the interaction of Ca2+ with reaction intermediates and products formed during the MTH reaction. Using transient kinetic and spectroscopic tools, we find strong indications that the selectivity differences between Ca/ZSM-5 and HZSM-5 are related to the different local environment inside the pores due to the presence of Ca2+. In particular, Ca/ZSM-5 strongly retains water, hydrocarbons, and oxygenates, which occupy as much as 10% of the micropores during the ongoing MTH reaction. This change in the effective pore geometry affects the formation of hydrocarbon pool components and in this way directs the MTH reaction toward the olefin cycle.
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Affiliation(s)
- Anna Liutkova
- Laboratory of Inorganic Materials and Catalysis, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Hao Zhang
- Laboratory of Inorganic Materials and Catalysis, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Jérôme F. M. Simons
- Laboratory of Inorganic Materials and Catalysis, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Brahim Mezari
- Laboratory of Inorganic Materials and Catalysis, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Marta Mirolo
- ESRF, The European Synchrotron, 71 Avenue des Martyrs, CS40220, 38043 Grenoble, Cedex 9, France
| | - Gustavo A. Garcia
- Synchrotron SOLEIL, L’Orme des Merisiers, St Aubin, B.P. 48, 91192 Gif sur Yvette, France
| | - Emiel J. M. Hensen
- Laboratory of Inorganic Materials and Catalysis, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Nikolay Kosinov
- Laboratory of Inorganic Materials and Catalysis, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
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5
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Elucidation of radical- and oxygenate-driven paths in zeolite-catalysed conversion of methanol and methyl chloride to hydrocarbons. Nat Catal 2022; 5:605-614. [PMID: 35892076 PMCID: PMC7613158 DOI: 10.1038/s41929-022-00808-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 05/18/2022] [Indexed: 11/08/2022]
Abstract
Understanding hydrocarbon generation in the zeolite-catalysed conversions of methanol and methyl chloride requires advanced spectroscopic approaches to distinguish the complex mechanisms governing C-C bond formation, chain growth and the deposition of carbonaceous species. Here operando photoelectron photoion coincidence (PEPICO) spectroscopy enables the isomer-selective identification of pathways to hydrocarbons of up to C14 in size, providing direct experimental evidence of methyl radicals in both reactions and ketene in the methanol-to-hydrocarbons reaction. Both routes converge to C5 molecules that transform into aromatics. Operando PEPICO highlights distinctions in the prevalence of coke precursors, which is supported by electron paramagnetic resonance measurements, providing evidence of differences in the representative molecular structure, density and distribution of accumulated carbonaceous species. Radical-driven pathways in the methyl chloride-to-hydrocarbons reaction(s) accelerate the formation of extended aromatic systems, leading to fast deactivation. By contrast, the generation of alkylated species through oxygenate-driven pathways in the methanol-to-hydrocarbons reaction extends the catalyst lifetime. The findings demonstrate the potential of the presented methods to provide valuable mechanistic insights into complex reaction networks.
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6
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Jonscher C, Seifert M, Kretzschmar N, Marschall MS, Le Anh M, Doert T, Busse O, Weigand JJ. Origin of Morphology Change and Effect of Crystallization Time and Si/Al Ratio during Synthesis of Zeolite ZSM‐5. ChemCatChem 2022. [DOI: 10.1002/cctc.202101248] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Clemens Jonscher
- Technische Universität Dresden Faculty of Chemistry and Food Chemistry Mommsenstraße 4 01069 Dresden Germany
| | - Markus Seifert
- Technische Universität Dresden Faculty of Chemistry and Food Chemistry Mommsenstraße 4 01069 Dresden Germany
| | - Nils Kretzschmar
- Technische Universität Dresden Faculty of Chemistry and Food Chemistry Mommsenstraße 4 01069 Dresden Germany
| | - Mathias S. Marschall
- Technische Universität Dresden Faculty of Chemistry and Food Chemistry Mommsenstraße 4 01069 Dresden Germany
| | - Mai Le Anh
- Technische Universität Dresden Faculty of Chemistry and Food Chemistry Mommsenstraße 4 01069 Dresden Germany
| | - Thomas Doert
- Technische Universität Dresden Faculty of Chemistry and Food Chemistry Mommsenstraße 4 01069 Dresden Germany
| | - Oliver Busse
- Technische Universität Dresden Faculty of Chemistry and Food Chemistry Mommsenstraße 4 01069 Dresden Germany
| | - Jan J. Weigand
- Technische Universität Dresden Faculty of Chemistry and Food Chemistry Mommsenstraße 4 01069 Dresden Germany
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7
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Yeh B, Vicchio SP, Chheda S, Zheng J, Schmid J, Löbbert L, Bermejo-Deval R, Gutiérrez OY, Lercher JA, Lu CC, Neurock M, Getman RB, Gagliardi L, Bhan A. Site Densities, Rates, and Mechanism of Stable Ni/UiO-66 Ethylene Oligomerization Catalysts. J Am Chem Soc 2021; 143:20274-20280. [PMID: 34817993 DOI: 10.1021/jacs.1c09320] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Nickel-functionalized UiO-66 metal organic frameworks (MOFs) oligomerize ethylene in the absence of cocatalysts or initiators after undergoing ethylene-pressure-dependent transients and maintain stable oligomerization rates for >15 days on stream. Higher ethylene pressures shorten induction periods and engender more active sites for ethylene oligomerization; these sites exhibit invariant selectivity-conversion characteristics to justify that only one type of catalytic center is relevant for oligomerization. The number of active sites is estimated using in situ NO titration to disambiguate the effect of increased reaction rates upon exposure to increasing ethylene pressures. After accounting for augmented site densities with increasing ethylene pressures, ethylene oligomerization is first order in ethylene pressure from 100 to 1800 kPa with an activation energy of 81 kJ mol-1 at temperatures from 443-503 K on Ni/UiO-66. A representative Ni/UiO-66 cluster model that mimics high ethylene pressure process conditions is validated with ab initio thermodynamic analysis, and the Cossee-Arlman mechanism is posited based on comparisons between experimental and computed activation enthalpies from density functional theory calculations on these cluster models of Ni/UiO-66. The insights gained from experiment and theory help rationalize evolution in structure and stability for ethylene oligomerization Ni/UiO-66 MOF catalysts.
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Affiliation(s)
- Benjamin Yeh
- Department of Chemical Engineering and Materials Science, University of Minnesota-Twin Cities, 421 Washington Avenue SE, Minneapolis, Minnesota 55455, United States
| | - Stephen P Vicchio
- Department of Chemical and Biomolecular Engineering, Clemson University, Clemson, South Carolina 29634-0909, United States
| | - Saumil Chheda
- Department of Chemical Engineering and Materials Science, University of Minnesota-Twin Cities, 421 Washington Avenue SE, Minneapolis, Minnesota 55455, United States.,Department of Chemistry, Chemical Theory Center, and Supercomputing Institute, University of Minnesota-Twin Cities, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, United States
| | - Jian Zheng
- Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Julian Schmid
- Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Laura Löbbert
- Department of Chemistry and Catalysis Research Center, Technical University of Munich, 85748 Garching, Germany
| | - Ricardo Bermejo-Deval
- Department of Chemistry and Catalysis Research Center, Technical University of Munich, 85748 Garching, Germany
| | - Oliver Y Gutiérrez
- Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Johannes A Lercher
- Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, Washington 99352, United States.,Department of Chemistry and Catalysis Research Center, Technical University of Munich, 85748 Garching, Germany
| | - Connie C Lu
- Department of Chemistry, Chemical Theory Center, and Supercomputing Institute, University of Minnesota-Twin Cities, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, United States
| | - Matthew Neurock
- Department of Chemical Engineering and Materials Science, University of Minnesota-Twin Cities, 421 Washington Avenue SE, Minneapolis, Minnesota 55455, United States
| | - Rachel B Getman
- Department of Chemical and Biomolecular Engineering, Clemson University, Clemson, South Carolina 29634-0909, United States
| | - Laura Gagliardi
- Department of Chemistry, Chemical Theory Center, and Supercomputing Institute, University of Minnesota-Twin Cities, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, United States.,Department of Chemistry, The University of Chicago, Chicago, Illinois 60637, United States
| | - Aditya Bhan
- Department of Chemical Engineering and Materials Science, University of Minnesota-Twin Cities, 421 Washington Avenue SE, Minneapolis, Minnesota 55455, United States
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8
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Taylor CN, Urban-Klaehn J, Le TT, Zaleski R, Rimer JD, Gering KL. Catalyst Deactivation Probed by Positron Annihilation Spectroscopy. ACS Catal 2021. [DOI: 10.1021/acscatal.1c04521] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Chase N. Taylor
- Idaho National Laboratory, Idaho Falls, Idaho 83401, United States
| | | | - Thuy T. Le
- Chemical and Biomolecular Engineering, University of Houston, Houston, Texas 77204, United States
| | - Radoslaw Zaleski
- Maria Curie-Sklodowska University, Institute of Physics, Lublin 20-031, Poland
| | - Jeffrey D. Rimer
- Chemical and Biomolecular Engineering, University of Houston, Houston, Texas 77204, United States
| | - Kevin L. Gering
- Idaho National Laboratory, Idaho Falls, Idaho 83401, United States
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9
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Le TT, Shilpa K, Lee C, Han S, Weiland C, Bare SR, Dauenhauer PJ, Rimer JD. Core-shell and egg-shell zeolite catalysts for enhanced hydrocarbon processing. J Catal 2021. [DOI: 10.1016/j.jcat.2021.11.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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10
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Bhusari AA, Mazumdar B, Rathod AP. Synthesis and characterization of bio catalyst prepared from dairy waste for lactic acid esterification. INTERNATIONAL JOURNAL OF CHEMICAL REACTOR ENGINEERING 2021. [DOI: 10.1515/ijcre-2021-0098] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Dairy byproduct is known for its valuable chemical and nutritional content possessing high market potential. Notwithstanding, it is tractable to exploit its utilization. The waste generated is organic and having huge energy potential. The objective of current research is to synthesize novel catalyst from a dairy based solid waste called Ghee Residue by chemical activation process and deploy it for the production of iso-butyl lactate. Surface identity of catalyst was furnished using Brunauer-Emmet Teller (BET) method and Fourier Transform Infrared Spectroscopy (FTIR). Effect of variables like reaction time, temperature of reaction and loading of catalyst on lactic acid conversion were studied. In addition to this, reaction kinetics modelling was performed using 2nd order pseudo-homogeneous approach. It was inferred that, both internal as well as external resistance of mass transfer could not offer any influence on overall rate of reaction in this esterification. Optimum condition for esterification reaction was at 368 K with 3% catalyst loading giving the highest conversion around 74%. The energy of activation for the present system using synthesized catalyst was 41.5 kJ/mol and found to be lower in comparison with the other catalysts. Although, the activity of GRC declined gradually less than 10% from the activity of the several reaction cycle.
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Affiliation(s)
- Amol A. Bhusari
- Department of Chemical Engineering , National Institute of Technology , Raipur , India
| | - Bidyut Mazumdar
- Department of Chemical Engineering , National Institute of Technology , Raipur , India
| | - Ajit P. Rathod
- Department of Chemical Engineering , Visvesvaraya National Institute of Technology , Nagpur , India
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11
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Parikh AP, Parikh VP, Parikh PA. Comparison of catalyst life and performance employing the conversion capacity concept. INT J CHEM KINET 2021. [DOI: 10.1002/kin.21523] [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)
| | | | - Parimal A. Parikh
- Chemical Engineering Department SV National Institute of Technology Surat India
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12
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Seifert M, Jonscher C, Haufe LA, Weigand JJ. Deactivation Kinetics of ZSM‐5 by Coke in Ethanol‐to‐Hydrocarbons Process. CHEM-ING-TECH 2021. [DOI: 10.1002/cite.202000228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Markus Seifert
- Technische Universität Dresden Faculty of Chemistry and Food Chemistry 01062 Dresden Germany
| | - Clemens Jonscher
- Technische Universität Dresden Faculty of Chemistry and Food Chemistry 01062 Dresden Germany
| | - Liane A. Haufe
- Technische Universität Dresden Faculty of Chemistry and Food Chemistry 01062 Dresden Germany
| | - Jan J. Weigand
- Technische Universität Dresden Faculty of Chemistry and Food Chemistry 01062 Dresden Germany
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13
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Foley BL, Johnson BA, Bhan A. Kinetic Evaluation of Deactivation Pathways in Methanol-to-Hydrocarbon Catalysis on HZSM-5 with Formaldehyde, Olefinic, Dieneic, and Aromatic Co-Feeds. ACS Catal 2021. [DOI: 10.1021/acscatal.0c05335] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Brandon L. Foley
- Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, United States
- Department of Chemical Engineering and Materials Science, University of Minnesota-Twin Cities, 421 Washington Avenue SE, Minneapolis, Minnesota 55455, United States
| | - Blake A. Johnson
- Department of Chemical Engineering and Materials Science, University of Minnesota-Twin Cities, 421 Washington Avenue SE, Minneapolis, Minnesota 55455, United States
| | - Aditya Bhan
- Department of Chemical Engineering and Materials Science, University of Minnesota-Twin Cities, 421 Washington Avenue SE, Minneapolis, Minnesota 55455, United States
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14
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Valecillos J, Elordi G, Aguayo AT, Castaño P. The intrinsic effect of co-feeding water on the formation of active/deactivating species in the methanol-to-hydrocarbons reaction on ZSM-5 zeolite. Catal Sci Technol 2021. [DOI: 10.1039/d0cy02497j] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Water is formed and added in the conversion of methanol to hydrocarbons, slowing down both the reaction and deactivation rates. The retained species that are reaction intermediates and coke precursors are swept/desorbed, particularly those on silanol sites.
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Affiliation(s)
- José Valecillos
- Department of Chemical Engineering
- University of the Basque Country (UPV/EHU)
- Bilbao
- 48080 Spain
| | - Gorka Elordi
- Department of Chemical Engineering
- University of the Basque Country (UPV/EHU)
- Bilbao
- 48080 Spain
| | - Andrés T. Aguayo
- Department of Chemical Engineering
- University of the Basque Country (UPV/EHU)
- Bilbao
- 48080 Spain
| | - Pedro Castaño
- Department of Chemical Engineering
- University of the Basque Country (UPV/EHU)
- Bilbao
- 48080 Spain
- Multiscale Reaction Engineering KAUST Catalysis Center (KCC)
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15
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Razdan NK, Bhan A. Carbidic Mo is the sole kinetically-relevant active site for catalytic methane dehydroaromatization on Mo/H-ZSM-5. J Catal 2020. [DOI: 10.1016/j.jcat.2020.06.035] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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16
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Yao R, Herrera JE, Chen L, Chin YHC. Generalized Mechanistic Framework for Ethane Dehydrogenation and Oxidative Dehydrogenation on Molybdenum Oxide Catalysts. ACS Catal 2020. [DOI: 10.1021/acscatal.0c01073] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Rui Yao
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto M5S 3E5, Ontario, Canada
- Key Laboratory of Green Chemical Technology of Ministry of Education, R&D Center for Petrochemical Technology, Tianjin University, Tianjin 300072, China
| | - José E. Herrera
- Department of Chemical and Biochemical Engineering, Western University, London N6A 5B9, Ontario, Canada
| | - Lihang Chen
- Key Laboratory of Green Chemical Technology of Ministry of Education, R&D Center for Petrochemical Technology, Tianjin University, Tianjin 300072, China
| | - Ya-Huei Cathy Chin
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto M5S 3E5, Ontario, Canada
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17
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Sengar A, van Santen RA, Kuipers JA. Deactivation Kinetics of the Catalytic Alkylation Reaction. ACS Catal 2020. [DOI: 10.1021/acscatal.0c00932] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Aditya Sengar
- Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Rutger A. van Santen
- Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
- Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Johannes A.M. Kuipers
- Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
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18
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Beucher R, Cammarano C, Rodríguez-Castellón E, Hulea V. Direct Transformation of Ethylene to Propylene by Cascade Catalytic Reactions under Very Mild Conditions. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c00450] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Rémi Beucher
- UMR 5253, ICGM, CNRS, Univ Montpellier, ENSCM, Matériaux Avancés pour la Catalyse et la Santé, Institut Charles Gerhardt Montpellier, 34296 Montpellier, France
| | - Claudia Cammarano
- UMR 5253, ICGM, CNRS, Univ Montpellier, ENSCM, Matériaux Avancés pour la Catalyse et la Santé, Institut Charles Gerhardt Montpellier, 34296 Montpellier, France
| | - Enrique Rodríguez-Castellón
- Departamento de Química Inorgánica, Facultad de Ciencias, Universidad de Málaga, Campus de Teatinos s/n, 29071 Málaga, Spain
| | - Vasile Hulea
- UMR 5253, ICGM, CNRS, Univ Montpellier, ENSCM, Matériaux Avancés pour la Catalyse et la Santé, Institut Charles Gerhardt Montpellier, 34296 Montpellier, France
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19
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Influence of ethylene and acetylene on the rate and reversibility of methane dehydroaromatization on Mo/H-ZSM-5 catalysts. J Catal 2020. [DOI: 10.1016/j.jcat.2019.11.004] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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20
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Fang Z, Murayama H, Zhao Q, Liu B, Jiang F, Xu Y, Tokunaga M, Liu X. Selective mild oxidation of methane to methanol or formic acid on Fe–MOR catalysts. Catal Sci Technol 2019. [DOI: 10.1039/c9cy01640f] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Selective oxidation of methane to methanol or formic acid was achieved using mordenite (MOR)-supported iron catalysts with H2O2 as the oxidant.
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Affiliation(s)
- Zhihao Fang
- Department of Chemical Engineering
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi 214122
- P. R. China
| | - Haruno Murayama
- Department of Chemistry
- Graduate School of Science
- Kyushu University
- Fukuoka
- Japan
| | - Qi Zhao
- Department of Chemical Engineering
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi 214122
- P. R. China
| | - Bing Liu
- Department of Chemical Engineering
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi 214122
- P. R. China
| | - Feng Jiang
- Department of Chemical Engineering
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi 214122
- P. R. China
| | - Yuebing Xu
- Department of Chemical Engineering
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi 214122
- P. R. China
| | - Makoto Tokunaga
- Department of Chemistry
- Graduate School of Science
- Kyushu University
- Fukuoka
- Japan
| | - Xiaohao Liu
- Department of Chemical Engineering
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi 214122
- P. R. China
| |
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