1
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Guo Y, Zhao L, Bi M, Zhang B, Guo K, Miao L, Cai C, Chen L, Shi X, Cheng W. Molecular volume-controlled shape-selective catalysis for synthesis of cinnamate over microporous zeolites. MOLECULAR CATALYSIS 2023. [DOI: 10.1016/j.mcat.2023.113042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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2
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Bickel E, Gounder R. Hydrocarbon Products Occluded within Zeolite Micropores Impose Transport Barriers that Regulate Brønsted Acid-Catalyzed Propene Oligomerization. JACS AU 2022; 2:2585-2595. [PMID: 36465546 PMCID: PMC9709944 DOI: 10.1021/jacsau.2c00462] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 10/03/2022] [Accepted: 10/06/2022] [Indexed: 06/17/2023]
Abstract
Brønsted acid zeolites catalyze alkene oligomerization to heavier hydrocarbon products of varied size and branching. Propene dimerization rates decrease monotonically with increasing crystallite size for MFI zeolites synthesized with fixed H+-site density, revealing the strong influence of intrazeolite transport limitations on measured rates, which has gone unrecognized in previous studies. Transient changes in dimerization rates upon step-changes in reactant pressure (150-470 kPa C3H6) or temperature (483-523 K) reveal that intrazeolite diffusion limitations become more severe under reaction conditions that favor the formation of heavier products. Together with effectiveness factor formalisms, these data reveal that product and reactant diffusion, and consequently oligomerization rates and selectivity, are governed by the composition of hydrocarbon products that accumulate within zeolitic micropores during alkene oligomerization. This occluded organic phase strongly influences rates and selectivities of alkene oligomerization on medium-pore zeolites (MFI, MEL, TON). Recognizing the coupled influences of kinetic factors and intrazeolite transport limitations imposed by occluded reaction products provides opportunities to competently tailor rates and selectivity in alkene oligomerization and other molecular chain-growth reactions through judicious selection of zeolite topology and reaction conditions.
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3
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Sturman M, Oelgemöller M. Process Parameters in the Electrochemical Reduction of Carbon Dioxide to Ethylene. CHEMBIOENG REVIEWS 2021. [DOI: 10.1002/cben.202100004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Michael Sturman
- James Cook University College of Science and Engineering 1 James Cook Drive 4811 Townsville Queensland Australia
| | - Michael Oelgemöller
- James Cook University College of Science and Engineering 1 James Cook Drive 4811 Townsville Queensland Australia
- Ghent University Department of Organic and Macromolecular Chemistry Krijgslaan 281 S4 9000 Gent Belgium
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4
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5
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Villaescusa LA, Li J, Gao Z, Sun J, Camblor MA. IDM‐1: A Zeolite with Intersecting Medium and Extra‐Large Pores Built as an Expansion of Zeolite MFI. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202001740] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Luis A. Villaescusa
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM) Universitat de València-Universitat Politècnica de València Camino de Vera s/n 46022 Valencia Spain
- CIBER de Bioingeniería Biomateriales y Nanomedicina (CIBER-BBN) Spain
- Departamento de Química Universitat Politècnica de València Camí de Vera s/n 46022 Valencia Spain
| | - Jian Li
- College of Chemistry and Molecular Engineering Beijing National Laboratory for Molecular Sciences Peking University 5 Yiheyuan Road Beijing 100871 China
- Berzelii Center EXSELENT on Porous Materials Department of Materials and Environmental Chemistry Stockholm University 10691 Stockholm Sweden
| | - Zihao Gao
- Instituto de Ciencia de Materiales de Madrid Consejo Superior de Investigaciones Científicas (ICMM-CSIC) c/Sor Juana Inés de la Cruz 3 28049 Madrid Spain
| | - Junliang Sun
- College of Chemistry and Molecular Engineering Beijing National Laboratory for Molecular Sciences Peking University 5 Yiheyuan Road Beijing 100871 China
- Berzelii Center EXSELENT on Porous Materials Department of Materials and Environmental Chemistry Stockholm University 10691 Stockholm Sweden
| | - Miguel A. Camblor
- Instituto de Ciencia de Materiales de Madrid Consejo Superior de Investigaciones Científicas (ICMM-CSIC) c/Sor Juana Inés de la Cruz 3 28049 Madrid Spain
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6
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Villaescusa LA, Li J, Gao Z, Sun J, Camblor MA. IDM‐1: A Zeolite with Intersecting Medium and Extra‐Large Pores Built as an Expansion of Zeolite MFI. Angew Chem Int Ed Engl 2020; 59:11283-11286. [DOI: 10.1002/anie.202001740] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Indexed: 11/11/2022]
Affiliation(s)
- Luis A. Villaescusa
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM) Universitat de València-Universitat Politècnica de València Camino de Vera s/n 46022 Valencia Spain
- CIBER de Bioingeniería Biomateriales y Nanomedicina (CIBER-BBN) Spain
- Departamento de Química Universitat Politècnica de València Camí de Vera s/n 46022 Valencia Spain
| | - Jian Li
- College of Chemistry and Molecular Engineering Beijing National Laboratory for Molecular Sciences Peking University 5 Yiheyuan Road Beijing 100871 China
- Berzelii Center EXSELENT on Porous Materials Department of Materials and Environmental Chemistry Stockholm University 10691 Stockholm Sweden
| | - Zihao Gao
- Instituto de Ciencia de Materiales de Madrid Consejo Superior de Investigaciones Científicas (ICMM-CSIC) c/Sor Juana Inés de la Cruz 3 28049 Madrid Spain
| | - Junliang Sun
- College of Chemistry and Molecular Engineering Beijing National Laboratory for Molecular Sciences Peking University 5 Yiheyuan Road Beijing 100871 China
- Berzelii Center EXSELENT on Porous Materials Department of Materials and Environmental Chemistry Stockholm University 10691 Stockholm Sweden
| | - Miguel A. Camblor
- Instituto de Ciencia de Materiales de Madrid Consejo Superior de Investigaciones Científicas (ICMM-CSIC) c/Sor Juana Inés de la Cruz 3 28049 Madrid Spain
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7
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Maximizing sinusoidal channels of HZSM-5 for high shape-selectivity to p-xylene. Nat Commun 2019; 10:4348. [PMID: 31554786 PMCID: PMC6761094 DOI: 10.1038/s41467-019-12285-4] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Accepted: 08/29/2019] [Indexed: 12/03/2022] Open
Abstract
The shape-selective catalysis enabled by zeolite micropore’s molecular-sized sieving is an efficient way to reduce the cost of chemical separation in the chemical industry. Although well studied since its discovery, HZSM-5′s shape-selective capability has never been fully exploited due to the co-existence of its different-sized straight channels and sinusoidal channels, which makes the shape-selective p-xylene production from toluene alkylation with the least m-xylene and o-xylene continue to be one of the few industrial challenges in the chemical industry. Rather than modifications which promote zeolite shape-selectivity at the cost of stability and reactivity loss, here inverse Al zoned HZSM-5 with sinusoidal channels predominantly opened to their external surfaces is constructed to maximize the shape-selectivity of HZSM-5 sinusoidal channels and reach > 99 % p-xylene selectivity, while keeping a very high activity and good stability ( > 220 h) in toluene methylation reactions. The strategy shows good prospects for shape-selective control of molecules with tiny differences in size. Full utilization of ZSM-5 shape-selectivity is restricted by crystal external surface acid sites and co-existence of two different sized channels. Here, the authors synthesize reverse Al zoned ZSM-5 with sinusoidal channel preferentially opened to its inert external surface to achieve 99.3% p-xylene selectivity.
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8
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Wu S, Yang X, Janiak C. Confinement Effects in Zeolite‐Confined Noble Metals. Angew Chem Int Ed Engl 2019; 58:12340-12354. [DOI: 10.1002/anie.201900013] [Citation(s) in RCA: 97] [Impact Index Per Article: 19.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2019] [Indexed: 01/02/2023]
Affiliation(s)
- Si‐Ming Wu
- State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingWuhan University of Technology (WHUT) Wuhan 430070 China
| | - Xiao‐Yu Yang
- State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingWuhan University of Technology (WHUT) Wuhan 430070 China
- Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai)(SMSEGL) & School of Chemical Engineering and TechnologySun Yat-sen University (SYSU) Zhuhai 519082 China
- School of Engineering and Applied SciencesHarvard University (HU) Cambridge MA 02138 USA
| | - Christoph Janiak
- Institut für Anorganische Chemie und StrukturchemieHeinrich-Heine-Universität Düsseldorf 40204 Düsseldorf Germany
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9
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De Prins M, Verheyen E, Vanbutsele G, Sree SP, Thomas K, Gilson JP, Vleugels J, Kirschhock CE, Martens JA. Catalytic activation of all-silica COK-14 zeolite through alumination and particle size reduction using wet ball milling. Catal Today 2019. [DOI: 10.1016/j.cattod.2019.03.016] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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10
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Affiliation(s)
- Si‐Ming Wu
- State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingWuhan University of Technology (WHUT) Wuhan 430070 China
| | - Xiao‐Yu Yang
- State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingWuhan University of Technology (WHUT) Wuhan 430070 China
- Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai)(SMSEGL) & School of Chemical Engineering and TechnologySun Yat-sen University (SYSU) Zhuhai 519082 China
- School of Engineering and Applied SciencesHarvard University (HU) Cambridge MA 02138 USA
| | - Christoph Janiak
- Institut für Anorganische Chemie und StrukturchemieHeinrich-Heine-Universität Düsseldorf 40204 Düsseldorf Germany
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11
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Affiliation(s)
- Douglas W. Ming
- National Aeronautics and Space Administration; Johnson Space Center; Houston Texas
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12
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Abstract
In the past decade or so, small-pore zeolites have received greater attention than large- and medium-pore molecular sieves that have historically dominated the literature. This is primarily due to the commercialization of two major catalytic processes, NOx exhaust removal and methanol conversion to light olefins, that take advantage of the properties of these materials with smaller apertures. Small-pore zeolites possess pores that are constructed of eight tetrahedral atoms (Si4+ and Al3+), each time linked by a shared oxygen These eight-member ring pores (8MR) provide small molecules access to the intracrystalline void space, e.g., to NOx during car exhaust cleaning (NOx removal) or to methanol en route to its conversion into light olefins, while restricting larger molecule entrance and departure that is critical to overall catalyst performance. In total, there are forty-four structurally different small-pore zeolites. Forty-one of these zeolites can be synthesized, and the first synthetic zeolite (KFI, 1948) was in fact a small-pore material. Although the field of 8MR zeolite chemistry has expanded in many directions, the progress in synthesis is framework-specific, leaving insights and generalizations difficult to realize. This review first focuses on the relevant synthesis details of all 8MR zeolites and provides some generalized findings and related insights. Next, catalytic applications where 8MR zeolites either have been commercialized or have dominated investigations are presented, with the aim of providing structure-activity relationships. The review ends with a summary that discusses (i) both synthetic and catalytic progress, (ii) a list of opportunities in the 8MR zeolite field, and (iii) a brief future outlook.
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Affiliation(s)
- Michiel Dusselier
- Center for Surface Chemistry and Catalysis , KU Leuven , Celestijnenlaan 200F , 3001 Heverlee , Belgium
| | - Mark E Davis
- Chemical Engineering , California Institute of Technology , Mail Code 210-41, Pasadena , California 91125 , United States
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13
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Tolborg S, Meier S, Saravanamurugan S, Fristrup P, Taarning E, Sádaba I. Shape-selective Valorization of Biomass-derived Glycolaldehyde using Tin-containing Zeolites. CHEMSUSCHEM 2016; 9:3054-3061. [PMID: 27562820 DOI: 10.1002/cssc.201600757] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Revised: 07/11/2016] [Indexed: 06/06/2023]
Abstract
A highly selective self-condensation of glycolaldehyde to different C4 molecules has been achieved using Lewis acidic stannosilicate catalysts in water at moderate temperatures (40-100 °C). The medium-sized zeolite pores (10-membered ring framework) in Sn-MFI facilitate the formation of tetrose sugars while hindering consecutive aldol reactions leading to hexose sugars. High yields of tetrose sugars (74 %) with minor amounts of vinyl glycolic acid (VGA), an α-hydroxyacid, are obtained using Sn-MFI with selectivities towards C4 products reaching 97 %. Tin catalysts having large pores or no pore structure (Sn-Beta, Sn-MCM-41, Sn-SBA-15, tin chloride) led to lower selectivities for C4 sugars due to formation of hexose sugars. In the case of Sn-Beta, VGA is the main product (30 %), illustrating differences in selectivity of the Sn sites in the different frameworks. Under optimized conditions, GA can undergo further conversion, leading to yields of up to 44 % of VGA using Sn-MFI in water. The use of Sn-MFI offers multiple possibilities for valorization of biomass-derived GA in water under mild conditions selectively producing C4 molecules.
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Affiliation(s)
- Søren Tolborg
- Department of Chemistry, Technical University of Denmark, Kemitorvet, 2800-, Kgs. Lyngby, Denmark
- New Business R&D, Haldor Topsøe A/S, Haldor Topsøes Allé 1, 2800-, Kgs. Lyngby, Denmark
| | - Sebastian Meier
- Department of Chemistry, Technical University of Denmark, Kemitorvet, 2800-, Kgs. Lyngby, Denmark
| | - Shunmugavel Saravanamurugan
- Department of Chemistry, Technical University of Denmark, Kemitorvet, 2800-, Kgs. Lyngby, Denmark
- Center of Innovative and Applied Bioprocessing (CIAB), Mohali, 160071-, Punjab, India
| | - Peter Fristrup
- Department of Chemistry, Technical University of Denmark, Kemitorvet, 2800-, Kgs. Lyngby, Denmark
| | - Esben Taarning
- New Business R&D, Haldor Topsøe A/S, Haldor Topsøes Allé 1, 2800-, Kgs. Lyngby, Denmark
| | - Irantzu Sádaba
- New Business R&D, Haldor Topsøe A/S, Haldor Topsøes Allé 1, 2800-, Kgs. Lyngby, Denmark
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14
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Liu C, Liu J, Yang S, Cao C, Song W. Palladium Nanoparticles Encapsulated in a Silicalite-1 Zeolite Shell for Size-Selective Catalysis in Liquid-Phase Solution. ChemCatChem 2016. [DOI: 10.1002/cctc.201501383] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Chang Liu
- Beijing National Laboratory for Molecular Sciences; Laboratory of Molecular Nanostructures and Nanotechnology; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 P.R. China
| | - Jian Liu
- Beijing National Laboratory for Molecular Sciences; Laboratory of Molecular Nanostructures and Nanotechnology; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 P.R. China
| | - Shuliang Yang
- Beijing National Laboratory for Molecular Sciences; Laboratory of Molecular Nanostructures and Nanotechnology; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 P.R. China
| | - Changyan Cao
- Beijing National Laboratory for Molecular Sciences; Laboratory of Molecular Nanostructures and Nanotechnology; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 P.R. China
| | - Weiguo Song
- Beijing National Laboratory for Molecular Sciences; Laboratory of Molecular Nanostructures and Nanotechnology; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 P.R. China
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15
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Kalamaras C, Palomas D, Bos R, Horton A, Crimmin M, Hellgardt K. Selective Oxidation of Methane to Methanol Over Cu- and Fe-Exchanged Zeolites: The Effect of Si/Al Molar Ratio. Catal Letters 2016. [DOI: 10.1007/s10562-015-1664-7] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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16
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Ennaert T, Van Aelst J, Dijkmans J, De Clercq R, Schutyser W, Dusselier M, Verboekend D, Sels BF. Potential and challenges of zeolite chemistry in the catalytic conversion of biomass. Chem Soc Rev 2016; 45:584-611. [DOI: 10.1039/c5cs00859j] [Citation(s) in RCA: 497] [Impact Index Per Article: 62.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
This review emphasizes the progress, potential and future challenges in zeolite catalysed biomass conversions and relates these to concepts established in existing petrochemical processes.
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Affiliation(s)
- Thijs Ennaert
- Centre for Surface Chemistry and Catalysis
- Faculty of Bioscience Engineering
- Heverlee
- Belgium
| | - Joost Van Aelst
- Centre for Surface Chemistry and Catalysis
- Faculty of Bioscience Engineering
- Heverlee
- Belgium
| | - Jan Dijkmans
- Centre for Surface Chemistry and Catalysis
- Faculty of Bioscience Engineering
- Heverlee
- Belgium
| | - Rik De Clercq
- Centre for Surface Chemistry and Catalysis
- Faculty of Bioscience Engineering
- Heverlee
- Belgium
| | - Wouter Schutyser
- Centre for Surface Chemistry and Catalysis
- Faculty of Bioscience Engineering
- Heverlee
- Belgium
| | - Michiel Dusselier
- Centre for Surface Chemistry and Catalysis
- Faculty of Bioscience Engineering
- Heverlee
- Belgium
| | - Danny Verboekend
- Centre for Surface Chemistry and Catalysis
- Faculty of Bioscience Engineering
- Heverlee
- Belgium
| | - Bert F. Sels
- Centre for Surface Chemistry and Catalysis
- Faculty of Bioscience Engineering
- Heverlee
- Belgium
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17
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Van Aelst J, Philippaerts A, Bartholomeeusen E, Fayad E, Thibault-Starzyk F, Lu J, Schryvers D, Ooms R, Verboekend D, Jacobs P, Sels B. Towards biolubricant compatible vegetable oils by pore mouth hydrogenation with shape-selective Pt/ZSM-5 catalysts. Catal Sci Technol 2016. [DOI: 10.1039/c6cy00498a] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Pore mouth hydrogenation of vegetable oil with Pt/ZSM-5 is confirmed by the similar intermediately melting product selectivity for various crystal sizes.
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18
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De Clercq R, Dusselier M, Christiaens C, Dijkmans J, Iacobescu RI, Pontikes Y, Sels BF. Confinement Effects in Lewis Acid-Catalyzed Sugar Conversion: Steering Toward Functional Polyester Building Blocks. ACS Catal 2015. [DOI: 10.1021/acscatal.5b01344] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Rik De Clercq
- Center
for Surface Chemistry and Catalysis, KU Leuven, Kasteelpark Arenberg
23, 3001 Leuven, Belgium
| | - Michiel Dusselier
- Center
for Surface Chemistry and Catalysis, KU Leuven, Kasteelpark Arenberg
23, 3001 Leuven, Belgium
| | - Charles Christiaens
- Center
for Surface Chemistry and Catalysis, KU Leuven, Kasteelpark Arenberg
23, 3001 Leuven, Belgium
| | - Jan Dijkmans
- Center
for Surface Chemistry and Catalysis, KU Leuven, Kasteelpark Arenberg
23, 3001 Leuven, Belgium
| | - Remus Ion Iacobescu
- Department
of Materials Science, KU Leuven, Kasteelpark Arenberg 44, 3001 Leuven, Belgium
| | - Yiannis Pontikes
- Department
of Materials Science, KU Leuven, Kasteelpark Arenberg 44, 3001 Leuven, Belgium
| | - Bert F. Sels
- Center
for Surface Chemistry and Catalysis, KU Leuven, Kasteelpark Arenberg
23, 3001 Leuven, Belgium
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19
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Dusselier M, Van Wouwe P, Dewaele A, Jacobs PA, Sels BF. Shape-selective zeolite catalysis for bioplastics production. Science 2015; 349:78-80. [DOI: 10.1126/science.aaa7169] [Citation(s) in RCA: 228] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Biodegradable and renewable polymers, such as polylactic acid, are benign alternatives for petrochemical-based plastics. Current production of polylactic acid via its key building block lactide, the cyclic dimer of lactic acid, is inefficient in terms of energy, time, and feedstock use. We present a direct zeolite-based catalytic process, which converts lactic acid into lactide. The shape-selective properties of zeolites are essential to attain record lactide yields, outperforming those of the current multistep process by avoiding both racemization and side-product formation. The highly productive process is strengthened by facile recovery and practical reactivation of the catalyst, which remains structurally fit during at least six consecutive reactions, and by the ease of solvent and side-product recycling.
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20
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Kang S, Chun J, Park N, Lee SM, Kim HJ, Son SU. Hydrophobic zeolites coated with microporous organic polymers: adsorption behavior of ammonia under humid conditions. Chem Commun (Camb) 2015; 51:11814-7. [DOI: 10.1039/c5cc03470a] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
ZSM-5 nanoparticles coated with microporous organic polymers showed 88% retention of ammonia adsorption capacity at 43% RH.
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Affiliation(s)
- Sungah Kang
- Department of Chemistry and Department of Energy Science
- Sungkyunkwan University
- Suwon 440-746
- Korea
| | - Jiseul Chun
- Department of Chemistry and Department of Energy Science
- Sungkyunkwan University
- Suwon 440-746
- Korea
| | - Nojin Park
- Department of Chemistry and Department of Energy Science
- Sungkyunkwan University
- Suwon 440-746
- Korea
| | - Sang Moon Lee
- Department of Chemistry and Department of Energy Science
- Sungkyunkwan University
- Suwon 440-746
- Korea
| | - Hae Jin Kim
- Korea Basic Science Institute
- Daejeon 350-333
- Korea
| | - Seung Uk Son
- Department of Chemistry and Department of Energy Science
- Sungkyunkwan University
- Suwon 440-746
- Korea
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21
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Affiliation(s)
- Emil Lindbäck
- Centre for Analysis and Synthesis, Department of Chemistry, Lund University, P.O. Box 124, S‐221 00 Lund (Sweden)
| | - Sami Dawaigher
- Centre for Analysis and Synthesis, Department of Chemistry, Lund University, P.O. Box 124, S‐221 00 Lund (Sweden)
| | - Kenneth Wärnmark
- Centre for Analysis and Synthesis, Department of Chemistry, Lund University, P.O. Box 124, S‐221 00 Lund (Sweden)
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22
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Zhou J, Liu Z, Wang Y, Gao H, Li L, Yang W, Xie Z, Tang Y. Enhanced accessibility and utilization efficiency of acid sites in hierarchical MFI zeolite catalyst for effective diffusivity improvement. RSC Adv 2014. [DOI: 10.1039/c4ra03986f] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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23
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Vandegehuchte BD, Thybaut JW, Marin GB. Unraveling Diffusion and Other Shape Selectivity Effects in ZSM5 Using n-Hexane Hydroconversion Single-Event Microkinetics. Ind Eng Chem Res 2014. [DOI: 10.1021/ie500164q] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- B. D. Vandegehuchte
- Laboratory for Chemical Technology, Ghent University, Technologiepark 914, Ghent B-9052, Belgium
| | - J. W. Thybaut
- Laboratory for Chemical Technology, Ghent University, Technologiepark 914, Ghent B-9052, Belgium
| | - G. B. Marin
- Laboratory for Chemical Technology, Ghent University, Technologiepark 914, Ghent B-9052, Belgium
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24
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Verheyen E, Jo C, Kurttepeli M, Vanbutsele G, Gobechiya E, Korányi TI, Bals S, Van Tendeloo G, Ryoo R, Kirschhock CE, Martens JA. Molecular shape-selectivity of MFI zeolite nanosheets in n-decane isomerization and hydrocracking. J Catal 2013. [DOI: 10.1016/j.jcat.2012.12.017] [Citation(s) in RCA: 121] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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25
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Hammond C, Dimitratos N, Jenkins RL, Lopez-Sanchez JA, Kondrat SA, Hasbi ab Rahim M, Forde MM, Thetford A, Taylor SH, Hagen H, Stangland EE, Kang JH, Moulijn JM, Willock DJ, Hutchings GJ. Elucidation and Evolution of the Active Component within Cu/Fe/ZSM-5 for Catalytic Methane Oxidation: From Synthesis to Catalysis. ACS Catal 2013. [DOI: 10.1021/cs3007999] [Citation(s) in RCA: 101] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ceri Hammond
- Cardiff Catalysis Institute,
School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff, CF10 3AT, United Kingdom
| | - Nikolaos Dimitratos
- Cardiff Catalysis Institute,
School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff, CF10 3AT, United Kingdom
| | - Robert L. Jenkins
- Cardiff Catalysis Institute,
School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff, CF10 3AT, United Kingdom
| | - Jose Antonio Lopez-Sanchez
- Cardiff Catalysis Institute,
School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff, CF10 3AT, United Kingdom
| | - Simon A. Kondrat
- Cardiff Catalysis Institute,
School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff, CF10 3AT, United Kingdom
| | - Mohd Hasbi ab Rahim
- Cardiff Catalysis Institute,
School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff, CF10 3AT, United Kingdom
| | - Michael M. Forde
- Cardiff Catalysis Institute,
School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff, CF10 3AT, United Kingdom
| | - Adam Thetford
- Cardiff Catalysis Institute,
School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff, CF10 3AT, United Kingdom
| | - Stuart H. Taylor
- Cardiff Catalysis Institute,
School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff, CF10 3AT, United Kingdom
| | - Henk Hagen
- Dow Benelux B.V., Herbert H. Dowweg 5, 4542 NM HOEK, Postbus 48, 4530 AA Terneuzen,
The Netherlands
| | - Eric E. Stangland
- Corporate R&D, The Dow Chemical Company, Midland, Michigan 48674, United States
| | - Joo H. Kang
- Corporate R&D, The Dow Chemical Company, Midland, Michigan 48674, United States
| | - Jacob M. Moulijn
- Cardiff Catalysis Institute,
School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff, CF10 3AT, United Kingdom
| | - David J. Willock
- Cardiff Catalysis Institute,
School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff, CF10 3AT, United Kingdom
| | - Graham J. Hutchings
- Cardiff Catalysis Institute,
School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff, CF10 3AT, United Kingdom
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Liu Y, Zhou X, Pang X, Jin Y, Meng X, Zheng X, Gao X, Xiao FS. Improvedpara-Xylene Selectivity inmeta-Xylene Isomerization Over ZSM-5 Crystals with Relatively Longb-Axis Length. ChemCatChem 2013. [DOI: 10.1002/cctc.201200691] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Erős G, Nagy K, Mehdi H, Pápai I, Nagy P, Király P, Tárkányi G, Soós T. Catalytic Hydrogenation with Frustrated Lewis Pairs: Selectivity Achieved by Size-Exclusion Design of Lewis Acids. Chemistry 2011; 18:574-85. [DOI: 10.1002/chem.201102438] [Citation(s) in RCA: 139] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2011] [Indexed: 11/06/2022]
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Chiang H, Bhan A. Catalytic consequences of hydroxyl group location on the kinetics of n-hexane hydroisomerization over acidic zeolites. J Catal 2011. [DOI: 10.1016/j.jcat.2011.07.006] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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29
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Inorganic molecular sieves: Preparation, modification and industrial application in catalytic processes. Coord Chem Rev 2011. [DOI: 10.1016/j.ccr.2011.03.014] [Citation(s) in RCA: 494] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Jae J, Tompsett GA, Foster AJ, Hammond KD, Auerbach SM, Lobo RF, Huber GW. Investigation into the shape selectivity of zeolite catalysts for biomass conversion. J Catal 2011. [DOI: 10.1016/j.jcat.2011.01.019] [Citation(s) in RCA: 699] [Impact Index Per Article: 53.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Verraedt E, Pendela M, Adams E, Hoogmartens J, Martens JA. Controlled release of chlorhexidine from amorphous microporous silica. J Control Release 2009; 142:47-52. [PMID: 19804804 DOI: 10.1016/j.jconrel.2009.09.022] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2009] [Revised: 09/18/2009] [Accepted: 09/25/2009] [Indexed: 10/20/2022]
Abstract
A new system for the controlled release of the antiseptic chlorhexidine is presented. Amorphous microporous silica (AMS) excipient material was synthesized via an acid catalyzed sol-gel method and shaped as powder or coating. Chlorhexidine diacetate was introduced into the pores of the AMS silica via the incipient wetness impregnation method. This silica reservoir maintained a slow release of chlorhexidine over more than 7days. Chlorhexidine release was controlled by configurational diffusion in the AMS pores having free diameters of less than 1nm. The release of chlorhexidine was fine tuned by adapting particle size and pore diameter. Controlled release of chlorhexidine from an AMS coating on silicon wafer was demonstrated.
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Affiliation(s)
- E Verraedt
- Centre of Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Heverlee, Belgium
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Bejblová M, Procházková D, Cejka J. Acylation reactions over zeolites and mesoporous catalysts. CHEMSUSCHEM 2009; 2:486-499. [PMID: 19350610 DOI: 10.1002/cssc.200900007] [Citation(s) in RCA: 96] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Molecular sieves are highly active and selective catalysts with industrial potential for acylation reactions. Zeolites are the catalysts of choice when shape selectivity influences the preferential formation of some products, while high conversions are achieved over mesoporous catalysts with enhanced diffusion rates of reactants and products. In this Minireview, we focus on the understanding of the relationship among the structure of molecular sieve, type and concentration of acid sites and activity/selectivity in various acylations of aromatic and olefinic hydrocarbons. The products of these acylation reactions are important compounds for the pharmaceutical industry, fragrance and flavor materials, dyes, polymers, agrochemicals, and other applications.
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Affiliation(s)
- Martina Bejblová
- J. Heyrovský Institute of Physical Chemistry, Prague, Czech Republic
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Affiliation(s)
- Gabor A. Somorjai
- Department of Chemistry, University of California, Berkeley, CA 94720 (USA)
- Materials Sciences Division and Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720 (USA)
| | - Jeong Y. Park
- Materials Sciences Division and Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720 (USA)
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Affiliation(s)
- Gabor A. Somorjai
- Department of Chemistry, University of California, Berkeley, CA 94720 (USA)
- Materials Sciences Division and Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720 (USA)
| | - Jeong Y. Park
- Materials Sciences Division and Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720 (USA)
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Smit B, Maesen TLM. Molecular Simulations of Zeolites: Adsorption, Diffusion, and Shape Selectivity. Chem Rev 2008; 108:4125-84. [DOI: 10.1021/cr8002642] [Citation(s) in RCA: 586] [Impact Index Per Article: 36.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Berend Smit
- Department of Chemical Engineering, University of California, Berkeley, California 94720-1462, Van’t Hoff Institute for Molecular Sciences, University of Amsterdam, Nieuwe Achtergracht 166, 1018 WV Amsterdam, The Netherlands, and Centre Européen de Calcul Atomique et Moléculaire (CECAM), Ecole Normale Supérieure, 46 Allée d’Italie, 69007 Lyon France
| | - Theo L. M. Maesen
- Chevron, Energy Technology Company, 100 Chevron Way, Richmond, California 94802-0627
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38
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Chassaing S, Sani Souna Sido A, Alix A, Kumarraja M, Pale P, Sommer J. “Click Chemistry” in Zeolites: Copper(I) Zeolites as New Heterogeneous and Ligand-Free Catalysts for the Huisgen [3+2] Cycloaddition. Chemistry 2008; 14:6713-21. [DOI: 10.1002/chem.200800479] [Citation(s) in RCA: 205] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Somorjai GA, Park JY. Evolution of the surface science of catalysis from single crystals to metal nanoparticles under pressure. J Chem Phys 2008; 128:182504. [DOI: 10.1063/1.2888970] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Whyte TE, Betta RAD. Zeolite Advances in the Chemical and Fuel Industries: A Technical Perspective. CATALYSIS REVIEWS-SCIENCE AND ENGINEERING 2007. [DOI: 10.1080/03602458208079663] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Akhmedov VM, Al‐Khowaiter SH. Recent Advances and Future Aspects in the Selective Isomerization of High n‐Alkanes. CATALYSIS REVIEWS-SCIENCE AND ENGINEERING 2007. [DOI: 10.1080/01614940601128427] [Citation(s) in RCA: 175] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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CUMMING KA, WOJCIECHOWSKI BW. Hydrogen Transfer, Coke Formation, and Catalyst Decay and Their Role in the Chain Mechanism of Catalytic Cracking. CATALYSIS REVIEWS-SCIENCE AND ENGINEERING 2006. [DOI: 10.1080/01614949608006455] [Citation(s) in RCA: 138] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Abstract
Intellectually, the advantages that flow from the availability of single-site heterogeneous catalysts (SSHC) are many. They facilitate the determination of the kinetics and mechanism of catalytic turnover-both experimentally and computationally-and make accessible the energetics of various intermediates (including short-lived transition states). These facts in turn offer a rational strategic principle for the design of new catalysts and the improvement of existing ones. It is generally possible to prepare soluble molecular fragments that circumscribe the single-site, thus enabling a direct comparison to be made, experimentally, between the catalytic performance of the same active site when functioning as a heterogeneous (continuous solid) as well as a homogeneous (dispersed molecular) catalyst. This approach also makes it possible to modify the immediate atomic environment as well as the central atomic structure of the active site. From the practical standpoint, SSHC exhibit very high selectivities leading to the production of sharply defined molecular products, just as do their homogeneous analogues. Given that mesoporous silicas with very large internal surface areas are ideal supports for SSHC, and that more than a quarter of the elements of the Periodic Table may be grafted as active sites onto such silicas, there is abundant scope for creating new catalytic opportunities.
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Affiliation(s)
- John Meurig Thomas
- Royal Institution of Great Britain, Davy Faraday Research Laboratory, 21 Albemarle Street, London W1S 4BS, UK.
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Rioux RM, Song H, Hoefelmeyer JD, Yang P, Somorjai GA. High-Surface-Area Catalyst Design: Synthesis, Characterization, and Reaction Studies of Platinum Nanoparticles in Mesoporous SBA-15 Silica. J Phys Chem B 2004; 109:2192-202. [PMID: 16851211 DOI: 10.1021/jp048867x] [Citation(s) in RCA: 332] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Platinum nanoparticles in the size range of 1.7-7.1 nm were produced by alcohol reduction methods. A polymer (poly(vinylpyrrolidone), PVP) was used to stabilize the particles by capping them in aqueous solution. The particles were characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM). TEM investigations demonstrate that the particles have a narrow size distribution. Mesoporous SBA-15 silica with 9-nm pores was synthesized by a hydrothermal process and used as a catalyst support. After incorporation into mesoporous SBA-15 silica using low-power sonication, the catalysts were calcined to remove the stabilizing polymer from the nanoparticle surface and reduced by H2. Pt particle sizes determined from selective gas adsorption measurements are larger than those determined by bulk techniques such as XRD and TEM. Room-temperature ethylene hydrogenation was chosen as a model reaction to probe the activity of the Pt/SBA-15 materials. The reaction was shown to be structure insensitive over a series of Pt/SBA-15 materials with particle sizes between 1.7 and 3.6 nm. The hydrogenolysis of ethane on Pt particles from 1.7 to 7.1 nm was weakly structure sensitive with smaller particles demonstrating higher specific activity. Turnover rates for ethane hydrogenolysis increased monotonically with increasing metal dispersion, suggesting that coordinatively unsaturated metal atoms present in small particles are more active for C2H6 hydrogenolysis than the low index planes that dominate in large particles. An explanation for the structure sensitivity is suggested, and the potential applications of these novel supported nanocatalysts for further studies of structure-activity and structure-selectivity relationships are discussed.
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Affiliation(s)
- R M Rioux
- Department of Chemistry, University of California, Berkeley, California 94720, USA
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McVicker GB, Feeley OC, Ziemiak JJ, Vaughan DEW, Strohmaier KC, Kliewer WR, Leta DP. Methylcyclohexane Ring-Contraction: A Sensitive Solid Acidity and Shape Selectivity Probe Reaction. J Phys Chem B 2004; 109:2222-6. [PMID: 16851214 DOI: 10.1021/jp040205k] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
In this paper we describe the utility of an acid-catalyzed isomerization reaction, specifically, ring-contraction of methylcyclohexane to an isomeric mixture of alkylcyclopentanes as a tool for characterizing the acidic properties of a wide range of platinum-loaded solid acids. Methylcyclohexane isomerization is particularly useful as a solid acidity probe reaction since it is a simple molecule containing one six-membered ring and a single methyl group substituent. As a solid acidity probe molecule methylcyclohexane has a number of advantages over cyclohexane. Ring-contraction of cyclohexane produces a single product, methlycyclopentane. Methylcyclohexane ring-contraction, in contrast, yields a richer and thus more informative product mixture including ethylcyclopentane, and five isomeric dimethylcyclopentanes. For the first time it will be shown that variations in the three primary descriptors of solid acids, acid site density, acid site strength, and shape selectivity, within a wide range of amorphous and crystalline solid acids can be simultaneously ranked using a single component probe reaction, namely, methylcyclohexane ring-contraction.
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Affiliation(s)
- Gary B McVicker
- Corporate Strategic Research Laboratories, ExxonMobil Research and Engineering Company, 1545 Route 22 East, Annandale, New Jersey 08801, USA.
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