1
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Talukdar H, Saikia G, Das A, Sultana SY, Islam NS. Organic-Solvent-Free Oxidation of Styrene, Phenol and Sulfides with H2O2 over Eco-Friendly Niobium and Tantalum Based Heterogeneous Catalysts. J IND ENG CHEM 2023. [DOI: 10.1016/j.jiec.2023.01.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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2
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de Macedo V, de Lima ROP, Piva DH. Efficient Dry Impregnation of Zirconium into H‐ZSM‐5 Zeolites. Eur J Inorg Chem 2022. [DOI: 10.1002/ejic.202200240] [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)
- Vinícius de Macedo
- Graduate Program of Chemical Engineering Federal University of São Carlos Washington Luis Highway, km 235 13565-905 Sao Carlos SP Brazil
| | - Rafael O. P. de Lima
- Research Centre on Advanced Materials and Energy Federal University of São Carlos Washington Luis Highway, km 235 13565-905 Sao Carlos SP Brazil
| | - Diogenes H. Piva
- Laboratoire Catalyse et Spectrochimie Université de Caen 6 boulevard du Maréchal Juin 14050 Caen France
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3
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Talukdar H, Gogoi SR, Saikia G, Sultana SY, Ahmed K, Islam NS. A sustainable approach towards solventless organic oxidations catalyzed by polymer immobilized Nb(V)-peroxido compounds with H2O2 as oxidant. MOLECULAR CATALYSIS 2021. [DOI: 10.1016/j.mcat.2021.111988] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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4
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Maksimchuk NV, Evtushok VY, Zalomaeva OV, Maksimov GM, Ivanchikova ID, Chesalov YA, Eltsov IV, Abramov PA, Glazneva TS, Yanshole VV, Kholdeeva OA, Errington RJ, Solé-Daura A, Poblet JM, Carbó JJ. Activation of H 2O 2 over Zr(IV). Insights from Model Studies on Zr-Monosubstituted Lindqvist Tungstates. ACS Catal 2021. [DOI: 10.1021/acscatal.1c02485] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
| | - Vasilii Yu. Evtushok
- Boreskov Institute of Catalysis, Pr. Lavrentieva 5, Novosibirsk 630090, Russia
- Novosibirsk State University, Pirogova Street 2, Novosibirsk 630090, Russia
| | - Olga V. Zalomaeva
- Boreskov Institute of Catalysis, Pr. Lavrentieva 5, Novosibirsk 630090, Russia
| | | | | | - Yuriy A. Chesalov
- Boreskov Institute of Catalysis, Pr. Lavrentieva 5, Novosibirsk 630090, Russia
| | - Ilia V. Eltsov
- Novosibirsk State University, Pirogova Street 2, Novosibirsk 630090, Russia
| | - Pavel A. Abramov
- Nikolaev Institute of Inorganic Chemistry, Pr. Lavrentieva 3, Novosibirsk 630090, Russia
| | - Tatyana S. Glazneva
- Boreskov Institute of Catalysis, Pr. Lavrentieva 5, Novosibirsk 630090, Russia
| | - Vadim V. Yanshole
- Novosibirsk State University, Pirogova Street 2, Novosibirsk 630090, Russia
- International Tomography Center SB RAS, Institutskaya Street 3a, Novosibirsk 630090, Russia
| | - Oxana A. Kholdeeva
- Boreskov Institute of Catalysis, Pr. Lavrentieva 5, Novosibirsk 630090, Russia
| | - R. John Errington
- Chemistry, School of Natural and Environmental Sciences, Newcastle University, Bedson Building, Newcastle upon Tyne NE1 7RU, U.K
| | - Albert Solé-Daura
- Department de Química Física I Inorgànica, Universitat Rovira i Virgili, Tarragona 43005, Spain
| | - Josep M. Poblet
- Department de Química Física I Inorgànica, Universitat Rovira i Virgili, Tarragona 43005, Spain
| | - Jorge J. Carbó
- Department de Química Física I Inorgànica, Universitat Rovira i Virgili, Tarragona 43005, Spain
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5
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Marchesi S, Guidotti M, Marchese L, Evangelisti C, Carniato F, Bisio C. Bifunctional Europium(III) and Niobium(V)-Containing Saponite Clays for the Simultaneous Optical Detection and Catalytic Oxidative Abatement of Blister Chemical Warfare Agents. Chemistry 2021; 27:4723-4730. [PMID: 33368657 DOI: 10.1002/chem.202005454] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Indexed: 01/29/2023]
Abstract
For the first time, the co-presence in the saponite structure of luminescent EuIII and catalytic NbV metal sites was exploited for the simultaneous detection and catalytic abatement of sulfur-containing blister chemical warfare agents. Metal centers were introduced in structural positions of the saponite (in the interlayer space or inside the inorganic framework) following two different synthetic methodologies. The functionalized saponites were able to reveal the presence of a sulfur mustard simulant (2-chloroethyl)ethyl sulfide (CEES) after few seconds of contact time and more than 80 % of the substrate was catalytically decomposed after 24 h in the presence of aqueous hydrogen peroxide.
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Affiliation(s)
- Stefano Marchesi
- Dipartimento di Scienze e Innovazione Tecnologica, Università del Piemonte Orientale "Amedeo Avogadro", Viale Teresa Michel 11, 15121, Alessandria, Italy
| | - Matteo Guidotti
- CNR-SCITEC-Istituto di Scienze e Tecnologie Chimiche "G. Natta", Via C. Golgi 19, 20133, Milano, Italy
| | - Leonardo Marchese
- Dipartimento di Scienze e Innovazione Tecnologica, Università del Piemonte Orientale "Amedeo Avogadro", Viale Teresa Michel 11, 15121, Alessandria, Italy
| | - Claudio Evangelisti
- CNR-ICCOM Istituto di Chimica dei Composti OrganoMetallici, via G. Moruzzi 1, 56124, Pisa, Italy
| | - Fabio Carniato
- Dipartimento di Scienze e Innovazione Tecnologica, Università del Piemonte Orientale "Amedeo Avogadro", Viale Teresa Michel 11, 15121, Alessandria, Italy
| | - Chiara Bisio
- Dipartimento di Scienze e Innovazione Tecnologica, Università del Piemonte Orientale "Amedeo Avogadro", Viale Teresa Michel 11, 15121, Alessandria, Italy.,CNR-SCITEC-Istituto di Scienze e Tecnologie Chimiche "G. Natta", Via C. Golgi 19, 20133, Milano, Italy
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6
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Solvothermal synthesis of Co-substituted phosphomolybdate acid encapsulated in the UiO-66 framework for catalytic application in olefin epoxidation. CHINESE JOURNAL OF CATALYSIS 2021. [DOI: 10.1016/s1872-2067(20)63665-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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7
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Ardagh MA, Bregante DT, Flaherty DW, Notestein JM. Controlled Deposition of Silica on Titania-Silica to Alter the Active Site Surroundings on Epoxidation Catalysts. ACS Catal 2020. [DOI: 10.1021/acscatal.0c02937] [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)
- M. Alexander Ardagh
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois 60208, United States
| | - Daniel T. Bregante
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - David W. Flaherty
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Justin M. Notestein
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois 60208, United States
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8
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Barbosa López AL, Castro IM. Niobium-Titanium-Based Photocatalysts: Its Potentials for Free Cyanide Oxidation in Residual Aqueous Effluent. Front Chem 2020; 8:99. [PMID: 32266202 PMCID: PMC7099047 DOI: 10.3389/fchem.2020.00099] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2019] [Accepted: 02/03/2020] [Indexed: 11/13/2022] Open
Abstract
Organic compounds are employed as additives to increase the dissolution speed of gold, in concentrations around 1 g/L when using cyanidation, thereby forming a residual aqueous effluent with high amounts of free cyanides and organic compounds, which generate metallic complexes difficult to degrade. To increase the photodegradation efficiency, promising niobium and titanium porous materials are proposed as photocatalysts, due to their role in simultaneous oxidation and reduction reactions. In the process of cyanide oxidation, NbO5 0.3H2O was doped with titanium oxalate (IV) of 0.5, 1, and 1.5%; and HTiNbO5 were synthesized, from the mixture of NbO5 with TiO2 Degussa-P25, by coprecipitation, impregnation, and solid state. The determination of its elemental composition, morphological and textural properties were carried out by using various XRD techniques, Raman spectroscopy, SEM/EDS and acidity by pyridine. The experiments of photocatalytic oxidation of cyanide used one semibatch reactor with ultraviolet irradiation 125 W in a pH range of 9.5–12. The catalyst with the highest percentage of degradation was HTiNbO5 93.7%, which is attributed to the microstructure of the double layer and Lewis acidity sites, followed by NbTi-1% 92.9% and the Nb2O5.3H2O 82.4%, being the majority product cyanate, proposing its mechanism of reaction. Characterization experiments indicated Nb-O-Ti bridges that have been associated with the control of redox properties of the niobium species and Ti-O-Nb = O, which could be generating a greater number of e–H +pairs, increasing the photocatalytic activity. It is considered that the method of synthesis has a strong influence in changing the morphology of the particles such as porosity, specific surface and factors such as the acidity of niobium–based catalysts, which are important to achieving efficiency in degradation. Niobium-Titanium photocatalysts proved to be an excellent new breakthrough in Advanced Oxidation Technologies (AOT), to eliminate cyanide in wastewater from mining activities.
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Affiliation(s)
- Aida Liliana Barbosa López
- Laboratory of Catalysis Research and New Materials (LICATUC), Department of Chemical, Exact and Natural Science Faculty, University of Cartagena, Cartagena, Colombia
| | - Isel M Castro
- Laboratory of Catalysis Research and New Materials (LICATUC), Department of Chemical, Exact and Natural Science Faculty, University of Cartagena, Cartagena, Colombia
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9
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Carniato F, Gatti G, Bisio C. An overview of the recent synthesis and functionalization methods of saponite clay. NEW J CHEM 2020. [DOI: 10.1039/d0nj00253d] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
In this overview, a summary on the most common intercalation compounds based on saponite clays is reported. The attention is also focused on the one-pot methods for the production of functional saponite clays for different applications.
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Affiliation(s)
- Fabio Carniato
- Dipartimento di Scienze e Innovazione Tecnologica
- Università degli Studi del Piemonte Orientale” Amedeo Avogadro”
- 15121-Alessandria
- Italy
| | - Giorgio Gatti
- Dipartimento di Scienze e Innovazione Tecnologica
- Università degli Studi del Piemonte Orientale” Amedeo Avogadro”
- 15121-Alessandria
- Italy
| | - Chiara Bisio
- Dipartimento di Scienze e Innovazione Tecnologica
- Università degli Studi del Piemonte Orientale” Amedeo Avogadro”
- 15121-Alessandria
- Italy
- CNR-SCITEC Istituto di Scienze e Tecnologie Chimiche “G. Natta”
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10
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Kholdeeva OA, Ivanchikova ID, Maksimchuk NV, Skobelev IY. H2O2-based selective epoxidations: Nb-silicates versus Ti-silicates. Catal Today 2019. [DOI: 10.1016/j.cattod.2018.04.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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11
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Maksimchuk NV, Ivanchikova ID, Maksimov GM, Eltsov IV, Evtushok VY, Kholdeeva OA, Lebbie D, Errington RJ, Solé-Daura A, Poblet JM, Carbó JJ. Why Does Nb(V) Show Higher Heterolytic Pathway Selectivity Than Ti(IV) in Epoxidation with H2O2? Answers from Model Studies on Nb- and Ti-Substituted Lindqvist Tungstates. ACS Catal 2019. [DOI: 10.1021/acscatal.9b01326] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Nataliya V. Maksimchuk
- Boreskov Institute of Catalysis, Prospekt Lavrentieva 5, Novosibirsk 630090, Russia
- Novosibirsk State University, Pirogova Street 2, Novosibirsk 630090, Russia
| | - Irina D. Ivanchikova
- Boreskov Institute of Catalysis, Prospekt Lavrentieva 5, Novosibirsk 630090, Russia
| | - Gennadii M. Maksimov
- Boreskov Institute of Catalysis, Prospekt Lavrentieva 5, Novosibirsk 630090, Russia
| | - Ilia V. Eltsov
- Novosibirsk State University, Pirogova Street 2, Novosibirsk 630090, Russia
| | - Vasilii Yu. Evtushok
- Boreskov Institute of Catalysis, Prospekt Lavrentieva 5, Novosibirsk 630090, Russia
- Novosibirsk State University, Pirogova Street 2, Novosibirsk 630090, Russia
| | - Oxana A. Kholdeeva
- Boreskov Institute of Catalysis, Prospekt Lavrentieva 5, Novosibirsk 630090, Russia
- Novosibirsk State University, Pirogova Street 2, Novosibirsk 630090, Russia
| | - Daniel Lebbie
- Chemistry, School of Natural and Environmental Sciences, Bedson Building, Newcastle University, Newcastle upon Tyne NE1 7RU, U.K
| | - R. John Errington
- Chemistry, School of Natural and Environmental Sciences, Bedson Building, Newcastle University, Newcastle upon Tyne NE1 7RU, U.K
| | - Albert Solé-Daura
- Departament de Química Física i Inorgànica, Universitat Rovira i Virgili, 43005 Tarragona, Spain
| | - Josep M. Poblet
- Departament de Química Física i Inorgànica, Universitat Rovira i Virgili, 43005 Tarragona, Spain
| | - Jorge J. Carbó
- Departament de Química Física i Inorgànica, Universitat Rovira i Virgili, 43005 Tarragona, Spain
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12
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Epoxidation of Karanja (Millettia pinnata) Oil Methyl Esters in the Presence of Hydrogen Peroxide over a Simple Niobium-Containing Catalyst. Catalysts 2019. [DOI: 10.3390/catal9040344] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
The synthesis, characterization and catalytic performance of a conceptually simple, novel NbOx-SiO2 catalyst are here described. The niobium(V)-silica catalyst was prepared starting from cheap and viable reactants, by alkaline deposition of NH4Nb(C2O4)2·H2O in the presence of fructose as a stabilizer and subsequent calcination. The NbOx-SiO2 solid (0.95 Nb wt.%) was tested in the liquid-phase epoxidation with aqueous hydrogen peroxide of methyl oleate, as a model substrate. It was then tested in the epoxidation of a mixture of methyl esters (FAMEs) obtained by transesterification with methanol and purification of karanja oil, extracted from the autochthonous Indian variety of Millettia pinnata tree. The catalyst showed a promising performance in terms of methyl oleate conversion (up to 75%) and selectivity to epoxide (up to 82%). It was then tested on the FAME mixture from karanja oil, where interesting conversion values were attained (up to 70%), although with lower selectivities and yields to the mixture of desired epoxidized FAMEs. The solid withstood four catalytic cycles overall, during which a non-negligible surface reorganization of the Nb(V) sites was observed. However, this restructuring did not negatively affect the performance of the catalysts in terms of conversion or selectivity.
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13
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Zhao T, Shen S, Liu X, Guo Y, Pao CW, Chen JL, Wang Y. Morphology-maintaining synthesis of NbN and its catalytic performance in epoxidation. Catal Sci Technol 2019. [DOI: 10.1039/c9cy00890j] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
A strategy for the synthesis of NbN with different morphologies was provided and the reactivity for epoxidation was investigated.
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Affiliation(s)
- Tiaohao Zhao
- Shanghai Key Laboratory of Functional Materials Chemistry
- Research Institute of Industrial Catalysis
- School of Chemistry and Molecular Engineering
- East China University of Science and Technology
- Shanghai
| | - Shanshan Shen
- Shanghai Key Laboratory of Functional Materials Chemistry
- Research Institute of Industrial Catalysis
- School of Chemistry and Molecular Engineering
- East China University of Science and Technology
- Shanghai
| | - Xiaohui Liu
- Shanghai Key Laboratory of Functional Materials Chemistry
- Research Institute of Industrial Catalysis
- School of Chemistry and Molecular Engineering
- East China University of Science and Technology
- Shanghai
| | - Yong Guo
- Shanghai Key Laboratory of Functional Materials Chemistry
- Research Institute of Industrial Catalysis
- School of Chemistry and Molecular Engineering
- East China University of Science and Technology
- Shanghai
| | - Chih-Wen Pao
- National Synchrotron Radiation Research Centre
- Hsinchu
- Taiwan
| | - Jeng-Lung Chen
- National Synchrotron Radiation Research Centre
- Hsinchu
- Taiwan
| | - Yanqin Wang
- Shanghai Key Laboratory of Functional Materials Chemistry
- Research Institute of Industrial Catalysis
- School of Chemistry and Molecular Engineering
- East China University of Science and Technology
- Shanghai
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14
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Zalomaeva OV, Maksimchuk NV, Maksimov GM, Kholdeeva OA. Thioether Oxidation with H2O2Catalyzed by Nb-Substituted Polyoxotungstates: Mechanistic Insights. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201801108] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Olga V. Zalomaeva
- Boreskov Institute of Catalysis; Pr. Lavrentieva 5 630090 Novosibirsk Russia
| | - Nataliya V. Maksimchuk
- Boreskov Institute of Catalysis; Pr. Lavrentieva 5 630090 Novosibirsk Russia
- Novosibirsk State University; Pirogova str. 2 630090 Novosibirsk Russia
| | | | - Oxana A. Kholdeeva
- Boreskov Institute of Catalysis; Pr. Lavrentieva 5 630090 Novosibirsk Russia
- Novosibirsk State University; Pirogova str. 2 630090 Novosibirsk Russia
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15
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Wawrzynczak A, Nowak I, Feliczak-Guzik A. Toward Exploiting the Behavior of Niobium-Containing Mesoporous Silicates vs. Polyoxometalates in Catalysis. Front Chem 2018; 6:560. [PMID: 30525023 PMCID: PMC6258736 DOI: 10.3389/fchem.2018.00560] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Accepted: 10/29/2018] [Indexed: 11/13/2022] Open
Abstract
Classification of polyoxometalates (POMs) is based on their chemical composition, basically represented by two general formulae: a) [MmOy]p- b) [XxMmOy]q-, where M is the main transition metal, O is the oxygen atom and X can be a non-metal atom such as Si. Additionally, in the most cases, the structure of the polyoxometalates is derived from a combination of octahedral units MO6 with a central metal atom M and the oxygen atoms placed at their corners. In such octahedra, oxygen atoms allow the condensation between two octahedral units, while one oxygen atom (or max. two atoms) makes double bond with the central metal atom and is not shared with other metal atoms within the complex (terminal oxygens). On the other hand, niobium-containing mesoporous silicates contain mainly MO4 tetrahedra and reveal superior activity in heterogeneous catalysis. Thus, the proper coordination of niobium is crucial for the catalytic activity and will be deeply discussed. The similarity in the catalytic behavior of niobium-polyoxometalates and heterogeneous niobium single-site catalysts in selective oxidations will be demonstrated.
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Affiliation(s)
| | - Izabela Nowak
- Faculty of Chemistry, Adam Mickiewicz University in Poznań, Poznań, Poland
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16
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Maksimchuk NV, Maksimov GM, Evtushok VY, Ivanchikova ID, Chesalov YA, Maksimovskaya RI, Kholdeeva OA, Solé-Daura A, Poblet JM, Carbó JJ. Relevance of Protons in Heterolytic Activation of H2O2 over Nb(V): Insights from Model Studies on Nb-Substituted Polyoxometalates. ACS Catal 2018. [DOI: 10.1021/acscatal.8b02761] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Nataliya V. Maksimchuk
- Boreskov Institute of Catalysis, Pr. Lavrentieva 5, Novosibirsk 630090, Russia
- Novosibirsk State University, Pirogova str. 2, Novosibirsk 630090, Russia
| | | | - Vasilii Yu. Evtushok
- Boreskov Institute of Catalysis, Pr. Lavrentieva 5, Novosibirsk 630090, Russia
- Novosibirsk State University, Pirogova str. 2, Novosibirsk 630090, Russia
| | | | - Yuriy A. Chesalov
- Boreskov Institute of Catalysis, Pr. Lavrentieva 5, Novosibirsk 630090, Russia
- Novosibirsk State University, Pirogova str. 2, Novosibirsk 630090, Russia
| | | | - Oxana A. Kholdeeva
- Boreskov Institute of Catalysis, Pr. Lavrentieva 5, Novosibirsk 630090, Russia
- Novosibirsk State University, Pirogova str. 2, Novosibirsk 630090, Russia
| | - Albert Solé-Daura
- Departament de Química Física i Inorgànica, Universitat Rovira i Virgili, 43005 Tarragona, Spain
| | - Josep M. Poblet
- Departament de Química Física i Inorgànica, Universitat Rovira i Virgili, 43005 Tarragona, Spain
| | - Jorge J. Carbó
- Departament de Química Física i Inorgànica, Universitat Rovira i Virgili, 43005 Tarragona, Spain
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17
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Mesoporous Niobium Oxyhydroxide Catalysts for Cyclohexene Epoxidation Reactions. APPLIED SCIENCES-BASEL 2018. [DOI: 10.3390/app8060881] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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18
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Ma W, Yuan H, Wang H, Zhou Q, Kong K, Li D, Yao Y, Hou Z. Identifying Catalytically Active Mononuclear Peroxoniobate Anion of Ionic Liquids in the Epoxidation of Olefins. ACS Catal 2018. [DOI: 10.1021/acscatal.7b04443] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Wenbao Ma
- Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, East China University of Science and Technology, Shanghai 200237, People’s Republic of China
| | - Haiyang Yuan
- Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, East China University of Science and Technology, Shanghai 200237, People’s Republic of China
| | - Haifeng Wang
- Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, East China University of Science and Technology, Shanghai 200237, People’s Republic of China
| | - Qingqing Zhou
- Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, East China University of Science and Technology, Shanghai 200237, People’s Republic of China
| | - Kang Kong
- Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, East China University of Science and Technology, Shanghai 200237, People’s Republic of China
| | - Difan Li
- Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, East China University of Science and Technology, Shanghai 200237, People’s Republic of China
| | - Yefeng Yao
- Physics Department and Shanghai Key Laboratory of Magnetic Resonance, East China Normal University, Shanghai 200062, People’s Republic of China
| | - Zhenshan Hou
- Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, East China University of Science and Technology, Shanghai 200237, People’s Republic of China
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19
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Gawarecka A, Wróblewska A. Limonene oxidation over Ti-MCM-41 and Ti-MWW catalysts with t-butyl hydroperoxide as the oxidant. REACTION KINETICS MECHANISMS AND CATALYSIS 2018. [DOI: 10.1007/s11144-018-1401-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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20
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Bregante DT, Thornburg NE, Notestein JM, Flaherty DW. Consequences of Confinement for Alkene Epoxidation with Hydrogen Peroxide on Highly Dispersed Group 4 and 5 Metal Oxide Catalysts. ACS Catal 2018. [DOI: 10.1021/acscatal.7b03986] [Citation(s) in RCA: 75] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Daniel T. Bregante
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
| | - Nicholas E. Thornburg
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois 60208, United States
| | - Justin M. Notestein
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois 60208, United States
| | - David W. Flaherty
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
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Metal-Incorporated Mesoporous Silicates: Tunable Catalytic Properties and Applications. Molecules 2018; 23:molecules23020263. [PMID: 29382121 PMCID: PMC6017901 DOI: 10.3390/molecules23020263] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Revised: 01/22/2018] [Accepted: 01/24/2018] [Indexed: 11/17/2022] Open
Abstract
A relatively new class of three-dimensional ordered mesoporous silicates, KIT-6, incorporated with Earth-abundant metals such as Zr, Nb, and W (termed as M-KIT-6), show remarkable tunability of acidity and metal dispersion depending on the metal content, type, and synthetic method. The metal-incorporation is carried out using one-pot synthesis procedures that are amenable to easy scale-up. By such tuning, M-KIT-6 catalysts are shown to provide remarkable activity and selectivity in industrially-significant reactions, such as alcohol dehydration, ethylene epoxidation, and metathesis of 2-butene and ethylene. We review how the catalytic properties of M-KIT-6 materials may be tailored depending on the application to optimize performance.
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22
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Evangelisti C, Guidotti M, Tiozzo C, Psaro R, Maksimchuk N, Ivanchikova I, Shmakov AN, Kholdeeva O. Titanium-silica catalyst derived from defined metallic titanium cluster precursor: Synthesis and catalytic properties in selective oxidations. Inorganica Chim Acta 2018. [DOI: 10.1016/j.ica.2017.06.059] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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23
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Samantaray MK, Pump E, Bendjeriou-Sedjerari A, D’Elia V, Pelletier JDA, Guidotti M, Psaro R, Basset JM. Surface organometallic chemistry in heterogeneous catalysis. Chem Soc Rev 2018; 47:8403-8437. [DOI: 10.1039/c8cs00356d] [Citation(s) in RCA: 108] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Surface organometallic chemistry has been reviewed with a special focus on environmentally relevant transformations (C–H activation, CO2conversion, oxidation).
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Affiliation(s)
- Manoja K. Samantaray
- King Abdullah University of Science and Technology (KAUST), KAUST Catalysis Center (KCC)
- Thuwal
- Saudi Arabia
| | - Eva Pump
- King Abdullah University of Science and Technology (KAUST), KAUST Catalysis Center (KCC)
- Thuwal
- Saudi Arabia
| | | | - Valerio D’Elia
- Department of Materials Science and Engineering, School of Molecular Science and Engineering, Vidyasirimedhi Institute of Science and Technology
- WangChan
- Thailand
| | - Jérémie D. A. Pelletier
- King Abdullah University of Science and Technology (KAUST), KAUST Catalysis Center (KCC)
- Thuwal
- Saudi Arabia
| | - Matteo Guidotti
- CNR – Institute of Molecular Sciences and Technologies
- 20133 Milano
- Italy
| | - Rinaldo Psaro
- CNR – Institute of Molecular Sciences and Technologies
- 20133 Milano
- Italy
| | - Jean-Marie Basset
- King Abdullah University of Science and Technology (KAUST), KAUST Catalysis Center (KCC)
- Thuwal
- Saudi Arabia
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24
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Influence of ligand substitution on molybdenum catalysts with tridentate Schiff base ligands for the organic solvent-free oxidation of limonene using aqueous TBHP as oxidant. MOLECULAR CATALYSIS 2017. [DOI: 10.1016/j.mcat.2017.09.033] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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25
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Ivanchikova ID, Skobelev IY, Maksimchuk NV, Paukshtis EA, Shashkov MV, Kholdeeva OA. Toward understanding the unusual reactivity of mesoporous niobium silicates in epoxidation of C C bonds with hydrogen peroxide. J Catal 2017. [DOI: 10.1016/j.jcat.2017.09.011] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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26
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Thornburg NE, Notestein JM. Rate and Selectivity Control in Thioether and Alkene Oxidation with H
2
O
2
over Phosphonate‐Modified Niobium(V)–Silica Catalysts. ChemCatChem 2017. [DOI: 10.1002/cctc.201700526] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Nicholas E. Thornburg
- Department of Chemical and Biological Engineering Northwestern University 2145 Sheridan Rd. Evanston IL 60208 USA
| | - Justin M. Notestein
- Department of Chemical and Biological Engineering Northwestern University 2145 Sheridan Rd. Evanston IL 60208 USA
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27
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28
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Guillo P, Lipschutz MI, Fasulo ME, Tilley TD. Tantalum–Polyhedral Oligosilsesquioxane Complexes as Structural Models and Functional Catalysts for Epoxidation. ACS Catal 2017. [DOI: 10.1021/acscatal.7b00020] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Pascal Guillo
- Department
of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
- Chemical
Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron
Road, Berkeley, California 94720, United States
| | - Michael I. Lipschutz
- Department
of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
| | - Meg E. Fasulo
- Department
of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
| | - T. Don Tilley
- Department
of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
- Chemical
Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron
Road, Berkeley, California 94720, United States
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29
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Costenaro D, Bisio C, Carniato F, Safronyuk SL, Kramar TV, Taran MV, Starodub MF, Katsev AM, Guidotti M. Physico-chemical Properties, Biological and Environmental Impact of Nb-saponites Catalysts for the Oxidative Degradation of Chemical Warfare Agents. ChemistrySelect 2017. [DOI: 10.1002/slct.201700042] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Daniele Costenaro
- Nano-SiSTeMI Interdisciplinary Centre; University of Eastern Piedmont “A. Avogadro”; Viale T. Michel 11 15121 Alessandria Italy
| | - Chiara Bisio
- Nano-SiSTeMI Interdisciplinary Centre; University of Eastern Piedmont “A. Avogadro”; Viale T. Michel 11 15121 Alessandria Italy
- Institute of Molecular Sciences and Technology - ISTM; National Research Council - CNR; via C. Golgi 19 20144 Milano Italy
| | - Fabio Carniato
- Nano-SiSTeMI Interdisciplinary Centre; University of Eastern Piedmont “A. Avogadro”; Viale T. Michel 11 15121 Alessandria Italy
| | - Sergey L. Safronyuk
- Medical Academy V.I. Vernadsky; Crimean Federal University; boulevard Lenina 5/7 295006 Simferopol
| | - Tatyana V. Kramar
- Medical Academy V.I. Vernadsky; Crimean Federal University; boulevard Lenina 5/7 295006 Simferopol
| | - Marina V. Taran
- National University of Life and Environmental Sciences of Ukraine; Heroyiv Oborony 15 Kyiv- 03041 Ukraine
| | - Mykola F. Starodub
- National University of Life and Environmental Sciences of Ukraine; Heroyiv Oborony 15 Kyiv- 03041 Ukraine
| | - Andrey M. Katsev
- Medical Academy V.I. Vernadsky; Crimean Federal University; boulevard Lenina 5/7 295006 Simferopol
| | - Matteo Guidotti
- Institute of Molecular Sciences and Technology - ISTM; National Research Council - CNR; via C. Golgi 19 20144 Milano Italy
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30
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Kyriienko PI, Larina OV, Popovych NO, Soloviev SO, Millot Y, Dzwigaj S. Effect of the niobium state on the properties of NbSiBEA as bifunctional catalysts for gas- and liquid-phase tandem processes. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.molcata.2016.06.024] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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31
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Ahn S, Thornburg NE, Li Z, Wang TC, Gallington LC, Chapman KW, Notestein JM, Hupp JT, Farha OK. Stable Metal–Organic Framework-Supported Niobium Catalysts. Inorg Chem 2016; 55:11954-11961. [DOI: 10.1021/acs.inorgchem.6b02103] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
| | | | | | | | - Leighanne C. Gallington
- X-ray Science Division, Advanced Photon
Source, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, Illinois 60439, United States
| | - Karena W. Chapman
- X-ray Science Division, Advanced Photon
Source, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, Illinois 60439, United States
| | | | | | - Omar K. Farha
- Department
of Chemistry, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
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32
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Thornburg NE, Nauert SL, Thompson AB, Notestein JM. Synthesis−Structure–Function Relationships of Silica-Supported Niobium(V) Catalysts for Alkene Epoxidation with H2O2. ACS Catal 2016. [DOI: 10.1021/acscatal.6b01796] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Nicholas E. Thornburg
- Department of Chemical and
Biological Engineering, Northwestern University, 2145 Sheridan Road, Technological
Institute E136, Evanston, Illinois 60208, United States
| | - Scott L. Nauert
- Department of Chemical and
Biological Engineering, Northwestern University, 2145 Sheridan Road, Technological
Institute E136, Evanston, Illinois 60208, United States
| | - Anthony B. Thompson
- Department of Chemical and
Biological Engineering, Northwestern University, 2145 Sheridan Road, Technological
Institute E136, Evanston, Illinois 60208, United States
| | - Justin M. Notestein
- Department of Chemical and
Biological Engineering, Northwestern University, 2145 Sheridan Road, Technological
Institute E136, Evanston, Illinois 60208, United States
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33
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Palumbo C, Ferrandi EE, Marchesi C, Monti D, Riva S, Psaro R, Guidotti M. One-pot Selective Dihydroxylation of Limonene Combining Metal and Enzyme Catalysis. ChemistrySelect 2016. [DOI: 10.1002/slct.201600529] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Chiara Palumbo
- CNR - Institute of Molecular Sciences and Technologies; via Golgi 19 20133 Milano Italy
| | - Erica E. Ferrandi
- CNR - Istituto di Chimica del Riconoscimento Molecolare; Via Mario Bianco, 9 20131 Milano Italy
| | - Carlotta Marchesi
- CNR - Istituto di Chimica del Riconoscimento Molecolare; Via Mario Bianco, 9 20131 Milano Italy
| | - Daniela Monti
- CNR - Istituto di Chimica del Riconoscimento Molecolare; Via Mario Bianco, 9 20131 Milano Italy
| | - Sergio Riva
- CNR - Istituto di Chimica del Riconoscimento Molecolare; Via Mario Bianco, 9 20131 Milano Italy
| | - Rinaldo Psaro
- CNR - Institute of Molecular Sciences and Technologies; via Golgi 19 20133 Milano Italy
| | - Matteo Guidotti
- CNR - Institute of Molecular Sciences and Technologies; via Golgi 19 20133 Milano Italy
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34
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Yan W, Ramanathan A, Patel PD, Maiti SK, Laird BB, Thompson WH, Subramaniam B. Mechanistic insights for enhancing activity and stability of Nb-incorporated silicates for selective ethylene epoxidation. J Catal 2016. [DOI: 10.1016/j.jcat.2015.12.022] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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35
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Palumbo C, Tiozzo C, Ravasio N, Psaro R, Carniato F, Bisio C, Guidotti M. An efficient epoxidation of terminal aliphatic alkenes over heterogeneous catalysts: when solvent matters. Catal Sci Technol 2016. [DOI: 10.1039/c5cy01639h] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
With a peculiar combination of catalyst/oxidant/solvent, it is possible to obtain good yields and excellent selectivities in the epoxidation of 1-octene.
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Affiliation(s)
- C. Palumbo
- CNR-Istituto di Scienze e Tecnologie Molecolari
- Via C. Golgi 19
- 20133 Milano
- Italy
| | - C. Tiozzo
- CNR-Istituto di Scienze e Tecnologie Molecolari
- Via C. Golgi 19
- 20133 Milano
- Italy
| | - N. Ravasio
- CNR-Istituto di Scienze e Tecnologie Molecolari
- Via C. Golgi 19
- 20133 Milano
- Italy
| | - R. Psaro
- CNR-Istituto di Scienze e Tecnologie Molecolari
- Via C. Golgi 19
- 20133 Milano
- Italy
| | - F. Carniato
- Dipartimento di Scienze e Innovazione Tecnologica and Nano-SISTEMI Interdisciplinary Centre
- Università del Piemonte Orientale “A. Avogadro”
- 15121 Alessandria
- Italy
| | - C. Bisio
- CNR-Istituto di Scienze e Tecnologie Molecolari
- Via C. Golgi 19
- 20133 Milano
- Italy
- Dipartimento di Scienze e Innovazione Tecnologica and Nano-SISTEMI Interdisciplinary Centre
| | - M. Guidotti
- CNR-Istituto di Scienze e Tecnologie Molecolari
- Via C. Golgi 19
- 20133 Milano
- Italy
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36
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Mesoporous niobium-silicates prepared by evaporation-induced self-assembly as catalysts for selective oxidations with aqueous H 2 O 2. J Catal 2015. [DOI: 10.1016/j.jcat.2015.10.003] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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37
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Turco R, Aronne A, Carniti P, Gervasini A, Minieri L, Pernice P, Tesser R, Vitiello R, Di Serio M. Influence of preparation methods and structure of niobium oxide-based catalysts in the epoxidation reaction. Catal Today 2015. [DOI: 10.1016/j.cattod.2014.11.033] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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38
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Thornburg NE, Thompson AB, Notestein JM. Periodic Trends in Highly Dispersed Groups IV and V Supported Metal Oxide Catalysts for Alkene Epoxidation with H2O2. ACS Catal 2015. [DOI: 10.1021/acscatal.5b01105] [Citation(s) in RCA: 100] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Nicholas E. Thornburg
- Department of Chemical and
Biological Engineering, Technological Institute E136, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Anthony B. Thompson
- Department of Chemical and
Biological Engineering, Technological Institute E136, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Justin M. Notestein
- Department of Chemical and
Biological Engineering, Technological Institute E136, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
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39
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The stability of niobium-silica catalysts in repeated liquid-phase epoxidation tests: A comparative evaluation of in-framework and grafted mixed oxides. Inorganica Chim Acta 2015. [DOI: 10.1016/j.ica.2015.01.048] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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40
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Ramanathan A, Maheswari R, Subramaniam B. Facile Styrene Epoxidation with H2O2 over Novel Niobium Containing Cage Type Mesoporous Silicate, Nb-KIT-5. Top Catal 2015. [DOI: 10.1007/s11244-015-0372-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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41
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Bonon AJ, Kozlov YN, Bahú JO, Filho RM, Mandelli D, Shul’pin GB. Limonene epoxidation with H 2 O 2 promoted by Al 2 O 3 : Kinetic study, experimental design. J Catal 2014. [DOI: 10.1016/j.jcat.2014.08.004] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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42
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Tiozzo C, Bisio C, Carniato F, Guidotti M. Grafted non-ordered niobium-silica materials: Versatile catalysts for the selective epoxidation of various unsaturated fine chemicals. Catal Today 2014. [DOI: 10.1016/j.cattod.2014.02.027] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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43
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Thomas JM. Heterogeneous catalysis and the challenges of powering the planet, securing chemicals for civilised life, and clean efficient utilization of renewable feedstocks. CHEMSUSCHEM 2014; 7:1801-1832. [PMID: 24988917 DOI: 10.1002/cssc.201301202] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2013] [Indexed: 06/03/2023]
Abstract
This article reviews, first, the prospects, practices and principles of generating solar fuels. It does so with an analysis of recent progress in the light-driven emission of H2 (and other fuels) as well as O2 from water. To place this challenge in perspective, some current practices entailing the use of well-proven solid catalysts developed for fossil-based feedstocks, are described. The massive differences between proven methods of generating fuel and chemicals from non-renewable and from solar radiation are emphasized with the aid of numerous quantitative examples. Whilst it is acknowledged that a key action in reducing the liberation of greenhouse gases (GHG) is to tackle the challenge of decreasing their evolution in power generation and in the production of steel, aluminium and other bulk commodities (metals, alloys, concrete and ceramics), nevertheless much can be done to diminish the emission of CO2 (and to use it as feedstock) through the agency of new, designed solid catalysts and microalgae. Solar-thermal converters are also attractive alternatives, even though they are more likely to be used centrally rather than in small modular units like 'artificial leaves,' some of which are promising for the purposes of generating energy (and perhaps fuel) in a delocalized, modular manner.
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Affiliation(s)
- John Meurig Thomas
- Department of Materials Science and Metallurgy, University of Cambridge, 27 Charles Babbage Road, Cambridge, CB3 0FS (UK).
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44
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Forde MM, Kesavan L, Bin Saiman MI, He Q, Dimitratos N, Lopez-Sanchez JA, Jenkins RL, Taylor SH, Kiely CJ, Hutchings GJ. High activity redox catalysts synthesized by chemical vapor impregnation. ACS NANO 2014; 8:957-969. [PMID: 24341675 DOI: 10.1021/nn405757q] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
The use of precious metals in heterogeneous catalysis relies on the preparation of small nanoparticles that are stable under reaction conditions. To date, most conventional routes used to prepare noble metal nanoparticles have drawbacks related to surface contamination, particle agglomeration, and reproducibility restraints. We have prepared titania-supported palladium (Pd) and platinum (Pt) catalysts using a simplified vapor deposition technique termed chemical vapor impregnation (CVI) that can be performed in any standard chemical laboratory. These materials, composed of nanoparticles typically below 3 nm in size, show remarkable activity under mild conditions for oxidation and hydrogenation reactions of industrial importance. We demonstrate the preparation of bimetallic Pd-Pt homogeneous alloy nanoparticles by this new CVI method, which show synergistic effects in toluene oxidation. The versatility of our CVI methodology to be able to tailor the composition and morphology of supported nanoparticles in an easily accessible and scalable manner is further demonstrated by the synthesis of Pdshell-Aucore nanoparticles using CVI deposition of Pd onto preformed Au nanoparticles supported on titania (prepared by sol immobilization) in addition to the presence of monometallic Au and Pd nanoparticles.
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Affiliation(s)
- Michael M Forde
- Cardiff Catalysis Institute, School of Chemistry, Cardiff University , Main Building Park Place, Cardiff, CF10 3AT, United Kingdom , and
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45
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Carniti P, Gervasini A, Tiozzo C, Guidotti M. Niobium-Containing Hydroxyapatites as Amphoteric Catalysts: Synthesis, Properties, and Activity. ACS Catal 2014. [DOI: 10.1021/cs4010453] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Paolo Carniti
- Dipartimento
di Chimica, Università degli Studi di Milano, via Camillo
Golgi, 19, I-20133 Milano, Italy
| | - Antonella Gervasini
- Dipartimento
di Chimica, Università degli Studi di Milano, via Camillo
Golgi, 19, I-20133 Milano, Italy
- CIMaINa, Università degli Studi di Milano, via Celoria 16, I-20133 Milano, Italy
| | - Cristina Tiozzo
- CNR-Istituto di Scienze e Tecnologie Molecolari, via Camillo Golgi 19, I-20133 Milano, Italy
| | - Matteo Guidotti
- CNR-Istituto di Scienze e Tecnologie Molecolari, via Camillo Golgi 19, I-20133 Milano, Italy
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46
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Kholdeeva OA. Recent developments in liquid-phase selective oxidation using environmentally benign oxidants and mesoporous metal silicates. Catal Sci Technol 2014. [DOI: 10.1039/c4cy00087k] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
This Perspective article surveys recent advances in the synthesis of mesoporous transition-metal-containing silicate materials and their use for the liquid-phase selective oxidation of organic compounds with environmentally friendly oxidants – molecular oxygen, hydrogen peroxide and organic hydroperoxides.
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Affiliation(s)
- Oxana A. Kholdeeva
- Boreskov Institute of Catalysis
- Novosibirsk State University
- NovosibirskNovosibirsk, Russia, Russia
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47
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Marchetti F, Pampaloni G, Pinzino C, Zacchini S. Stable [M2F11]-(M = Nb, Ta) Salts of Protonated 1,3-Dimethoxybenzene. Eur J Inorg Chem 2013. [DOI: 10.1002/ejic.201300961] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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48
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Tiozzo C, Bisio C, Carniato F, Gallo A, Scott SL, Psaro R, Guidotti M. Niobium–silica catalysts for the selective epoxidation of cyclic alkenes: the generation of the active site by grafting niobocene dichloride. Phys Chem Chem Phys 2013; 15:13354-62. [DOI: 10.1039/c3cp51570b] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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