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Campbell E, Sazanovich IV, Towrie M, Watson MJ, Lezcano-Gonzalez I, Beale AM. Methanol-to-Olefins Studied by UV Raman Spectroscopy as Compared to Visible Wavelength: Capitalization on Resonance Enhancement. J Phys Chem Lett 2024; 15:6826-6834. [PMID: 38916593 PMCID: PMC11229064 DOI: 10.1021/acs.jpclett.4c00865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 05/21/2024] [Accepted: 05/29/2024] [Indexed: 06/26/2024]
Abstract
Resonance Raman spectroscopy can provide insights into complex reaction mechanisms by selectively enhancing the signals of specific molecular species. In this work, we demonstrate that, by changing the excitation wavelength, Raman bands of different intermediates in the methanol-to-hydrocarbons reactions can be identified. We show in particular how UV excitation enhances signals from short-chain olefins and cyclopentadienyl cations during the induction period, while visible excitation better detects later-stage aromatics. However, visible excitation is prone to fluorescence that can obscure Raman signals, and hence, we show how fast fluorescence rejection techniques like Kerr gating are necessary for extracting useful information from visible excitation measurements.
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Affiliation(s)
- Emma Campbell
- Cardiff
Catalysis Institute School of Chemistry, Cardiff University, Cardiff CF10 3AT, U.K.
- Research
Complex at Harwell (RCaH), Harwell, Didcot, Oxfordshire OX11
0FA, U.K.
| | - Igor V. Sazanovich
- Central
Laser Facility, Research Complex at Harwell, Rutherford Appleton Laboratories, Harwell
Campus, Didcot OX11 0QX, U.K.
| | - Michael Towrie
- Central
Laser Facility, Research Complex at Harwell, Rutherford Appleton Laboratories, Harwell
Campus, Didcot OX11 0QX, U.K.
| | - Michael J. Watson
- Johnson
Matthey Technology Centre, P O Box 1, Belasis Avenue, Billingham TS23 1LB, U.K.
| | - Ines Lezcano-Gonzalez
- Department
of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, U.K.
- Research
Complex at Harwell (RCaH), Harwell, Didcot, Oxfordshire OX11
0FA, U.K.
| | - Andrew M. Beale
- Department
of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, U.K.
- Research
Complex at Harwell (RCaH), Harwell, Didcot, Oxfordshire OX11
0FA, U.K.
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2
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Yu S, Liu Z, Lyu JM, Guo CM, Yang XY, Jiang P, Wang YL, Hu ZY, Sun MH, Li Y, Chen LH, Su BL. Engineering surface framework TiO 6 single sites for unprecedented deep oxidative desulfurization. Natl Sci Rev 2024; 11:nwae085. [PMID: 38577670 PMCID: PMC10989657 DOI: 10.1093/nsr/nwae085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 02/14/2024] [Accepted: 03/05/2024] [Indexed: 04/06/2024] Open
Abstract
Catalytic oxidative desulfurization (ODS) using titanium silicate catalysts has emerged as an efficient technique for the complete removal of organosulfur compounds from automotive fuels. However, the precise control of highly accessible and stable-framework Ti active sites remains highly challenging. Here we reveal for the first time by using density functional theory calculations that framework hexa-coordinated Ti (TiO6) species of mesoporous titanium silicates are the most active sites for ODS and lead to a lower-energy pathway of ODS. A novel method to achieve highly accessible and homogeneously distributed framework TiO6 active single sites at the mesoporous surface has been developed. Such surface framework TiO6 species exhibit an exceptional ODS performance. A removal of 920 ppm of benzothiophene is achieved at 60°C in 60 min, which is 1.67 times that of the best catalyst reported so far. For bulky molecules such as 4,6-dimethyldibenzothiophene (DMDBT), it takes only 3 min to remove 500 ppm of DMDBT at 60°C with our catalyst, which is five times faster than that with the current best catalyst. Such a catalyst can be easily upscaled and could be used for concrete industrial application in the ODS of bulky organosulfur compounds with minimized energy consumption and high reaction efficiency.
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Affiliation(s)
- Shen Yu
- Laboratory of Living Materials at the State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
| | - Zhan Liu
- Laboratory of Living Materials at the State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
- Nanostructure Research Center, Wuhan University of Technology, Wuhan 430070, China
| | - Jia-Min Lyu
- Laboratory of Living Materials at the State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
| | - Chun-Mu Guo
- Laboratory of Living Materials at the State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
| | - Xiao-Yu Yang
- Laboratory of Living Materials at the State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
| | - Peng Jiang
- Laboratory of Living Materials at the State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
| | - Yi-Long Wang
- School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan 430070, China
| | - Zhi-Yi Hu
- Laboratory of Living Materials at the State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
- Nanostructure Research Center, Wuhan University of Technology, Wuhan 430070, China
| | - Ming-Hui Sun
- Laboratory of Living Materials at the State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
| | - Yu Li
- Laboratory of Living Materials at the State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
| | - Li-Hua Chen
- Laboratory of Living Materials at the State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
| | - Bao-Lian Su
- Laboratory of Living Materials at the State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
- Laboratory of Inorganic Materials Chemistry, University of Namur, Namur B-5000, Belgium
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3
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Yang J, Liu S, Liu Y, Zhou L, Wen H, Wei H, Shen R, Wu X, Jiang J, Li B. Review and perspectives on TS-1 catalyzed propylene epoxidation. iScience 2024; 27:109064. [PMID: 38375219 PMCID: PMC10875142 DOI: 10.1016/j.isci.2024.109064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2024] Open
Abstract
Titanium silicate zeolite (TS-1) is widely used in the research on selective oxidations of organic substrates by H2O2. Compared with the chlorohydrin process and the hydroperoxidation process, the TS-1 catalyzed hydroperoxide epoxidation of propylene oxide (HPPO) has advantages in terms of by-products and environmental friendliness. This article reviews the latest progress in propylene epoxidation catalyzed by TS-1, including the HPPO process and gas phase epoxidation. The preparation and modification of TS-1 for green and sustainable production are summarized, including the use of low-cost feedstocks, the development of synthetic routes, strategies to enhance mass transfer in TS-1 crystal and the enhancement of catalytic performance after modification. In particular, this article summarizes the catalytic mechanisms and advanced characterization techniques for propylene epoxidation in recent years. Finally, the present situation, development prospect and challenge of propylene epoxidation catalyzed by TS-1 were prospected.
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Affiliation(s)
- Jimei Yang
- College of Chemistry, Zhengzhou University, 100 Science Road, Zhengzhou 450001, P.R. China
| | - Shuling Liu
- College of Chemistry, Zhengzhou University, 100 Science Road, Zhengzhou 450001, P.R. China
| | - Yanyan Liu
- College of Chemistry, Zhengzhou University, 100 Science Road, Zhengzhou 450001, P.R. China
- College of Science, Henan Agricultural University, 63 Nongye Road, Zhengzhou 450002, P.R. China
- Institute of Chemical Industry of Forest Products, CAF, National Engineering Lab for Biomass Chemical Utilization, Nanjing 210042, P.R. China
| | - Limin Zhou
- College of Chemistry, Zhengzhou University, 100 Science Road, Zhengzhou 450001, P.R. China
- Institute of Chemical Industry of Forest Products, CAF, National Engineering Lab for Biomass Chemical Utilization, Nanjing 210042, P.R. China
| | - Hao Wen
- College of Chemistry, Zhengzhou University, 100 Science Road, Zhengzhou 450001, P.R. China
| | - Huijuan Wei
- College of Chemistry, Zhengzhou University, 100 Science Road, Zhengzhou 450001, P.R. China
| | - Ruofan Shen
- College of Chemistry, Zhengzhou University, 100 Science Road, Zhengzhou 450001, P.R. China
| | - Xianli Wu
- College of Chemistry, Zhengzhou University, 100 Science Road, Zhengzhou 450001, P.R. China
| | - Jianchun Jiang
- Institute of Chemical Industry of Forest Products, CAF, National Engineering Lab for Biomass Chemical Utilization, Nanjing 210042, P.R. China
| | - Baojun Li
- College of Chemistry, Zhengzhou University, 100 Science Road, Zhengzhou 450001, P.R. China
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4
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Qin Q, Liu H, Guo Y, Wang B, Zhu J, Ma J. Insights into the mechanism of the solvolysis of propylene oxide over titanium silicalite-1: a theoretical study. Phys Chem Chem Phys 2023; 25:21358-21375. [PMID: 37530074 DOI: 10.1039/d3cp01696j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/03/2023]
Abstract
In order to probe into the mechanism of solvolysis (alcoholysis/hydrolysis) of propylene oxide (PO), the formation of propylene glycol (PG), 1-methoxy-2-propanol (PPM) and 2-methoxy-1-propanol (SPM) over the TS-1 catalyst with tetrahedral Ti and Ti/defect sites was systematically discussed using an embedded quantum mechanical/molecular mechanics (QM/MM) approach. The results showed that the activity of PO solvolysis is closely related to the ring-opening ability of active substances, and the ring-opening ability is in the following order: Si-O(H)-Ti > Ti-OH > 5MR Ti-OOH > Ti-OCH3 (tetrahedral Ti site); 3MR Ti-OOH > Ti-OH > 5MR Ti-OOH > Ti-OCH3 (Ti/defect site). At the tetrahedral site, the concerted mechanism is the dominant pathway for PO ring opening to form PPM, while a competitive relationship exists between stepwise and concerted mechanisms to form PG and SPM. Si-O(H)-Ti exhibits excellent PO ring-opening activity because of its strong Brønsted acidity, but it is difficult to form. At the Ti/defect site, the stepwise mechanism via PO ring opening with 3MR Ti-OOH and then successive hydrolysis/alcoholysis to form product is the dominant pathway. The overall energy barrier of the optimal route is relatively lower as compared to the tetrahedral Ti site. This work opens up a new path for providing more information on the detailed mechanism in the solvolysis of PO over the TS-1 catalyst from a theoretical point of view.
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Affiliation(s)
- Qiaoyun Qin
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin University, No. 90, Weijin Road, Nankai District, Tianjin, 300072, China.
- Key Laboratory for Green Chemical Technology of Ministry of Education, R&D Center for Petrochemical Technology, Tianjin University, Tianjin 300072, China
| | - Hongxia Liu
- School of Chemistry and Chemical Engineering, Wuhan Textile University, Wuhan, 430200, China
| | - Yanke Guo
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin University, No. 90, Weijin Road, Nankai District, Tianjin, 300072, China.
- Key Laboratory for Green Chemical Technology of Ministry of Education, R&D Center for Petrochemical Technology, Tianjin University, Tianjin 300072, China
| | - Baohe Wang
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin University, No. 90, Weijin Road, Nankai District, Tianjin, 300072, China.
- Key Laboratory for Green Chemical Technology of Ministry of Education, R&D Center for Petrochemical Technology, Tianjin University, Tianjin 300072, China
| | - Jing Zhu
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin University, No. 90, Weijin Road, Nankai District, Tianjin, 300072, China.
- Key Laboratory for Green Chemical Technology of Ministry of Education, R&D Center for Petrochemical Technology, Tianjin University, Tianjin 300072, China
| | - Jing Ma
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin University, No. 90, Weijin Road, Nankai District, Tianjin, 300072, China.
- Key Laboratory for Green Chemical Technology of Ministry of Education, R&D Center for Petrochemical Technology, Tianjin University, Tianjin 300072, China
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5
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Lätsch L, Kaul CJ, Yakimov AV, Müller IB, Hassan A, Perrone B, Aghazada S, Berkson ZJ, De Baerdemaeker T, Parvulescu AN, Seidel K, Teles JH, Copéret C. NMR Signatures and Electronic Structure of Ti Sites in Titanosilicalite-1 from Solid-State 47/49Ti NMR Spectroscopy. J Am Chem Soc 2023. [PMID: 37418311 DOI: 10.1021/jacs.2c09867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/09/2023]
Abstract
Although titanosilicalite-1 (TS-1) is among the most successful oxidation catalysts used in industry, its active site structure is still debated. Recent efforts have mostly focused on understanding the role of defect sites and extraframework Ti. Here, we report the 47/49Ti signature of TS-1 and molecular analogues [Ti(OTBOS)4] and [Ti(OTBOS)3(OiPr)] using novel MAS CryoProbe to enhance the sensitivity. While the dehydrated TS-1 displays chemical shifts similar to those of molecular homologues, confirming the tetrahedral environment of Ti consistent with X-ray absorption spectroscopy, it is associated with a distribution of larger quadrupolar coupling constants, indicating an asymmetric environment. Detailed computational studies on cluster models highlights the high sensitivity of the NMR signatures (chemical shift and quadrupolar coupling constant) to small local structural changes. These calculations show that, while it will be difficult to distinguish mono- vs dinuclear sites, the sensitivity of the 47/49Ti NMR signature should enable distinguishing the Ti location among specific T site positions.
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Affiliation(s)
- Lukas Lätsch
- ETH Zurich, Department of Chemistry and Applied Biosciences, Vladimir-Prelog Weg 2, CH-8093 Zurich, Switzerland
| | - Christoph J Kaul
- ETH Zurich, Department of Chemistry and Applied Biosciences, Vladimir-Prelog Weg 2, CH-8093 Zurich, Switzerland
| | - Alexander V Yakimov
- ETH Zurich, Department of Chemistry and Applied Biosciences, Vladimir-Prelog Weg 2, CH-8093 Zurich, Switzerland
| | - Imke B Müller
- BASF SE, Carl-Bosch-Straße 38, 67056 Ludwigshafen am Rhein, Germany
| | - Alia Hassan
- Bruker Switzerland, Industriestrasse 26, CH-8117 Fällanden, Switzerland
| | - Barbara Perrone
- Bruker Switzerland, Industriestrasse 26, CH-8117 Fällanden, Switzerland
| | - Sadig Aghazada
- ETH Zurich, Department of Chemistry and Applied Biosciences, Vladimir-Prelog Weg 2, CH-8093 Zurich, Switzerland
| | - Zachariah J Berkson
- ETH Zurich, Department of Chemistry and Applied Biosciences, Vladimir-Prelog Weg 2, CH-8093 Zurich, Switzerland
| | | | | | - Karsten Seidel
- BASF SE, Carl-Bosch-Straße 38, 67056 Ludwigshafen am Rhein, Germany
| | - J Henrique Teles
- BASF SE, Carl-Bosch-Straße 38, 67056 Ludwigshafen am Rhein, Germany
| | - Christophe Copéret
- ETH Zurich, Department of Chemistry and Applied Biosciences, Vladimir-Prelog Weg 2, CH-8093 Zurich, Switzerland
- Bruker Switzerland, Industriestrasse 26, CH-8117 Fällanden, Switzerland
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6
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Tang G, Li Y, Yang Z, Wang Y, Li G, Wang Y, Chai YM, Liu C. Preparation of Micron-Sized TS-1 Spherical Membrane Catalysts and Their Performance in the Epoxidation of Chloropropene. ACS OMEGA 2023; 8:19099-19108. [PMID: 37273603 PMCID: PMC10233838 DOI: 10.1021/acsomega.3c02538] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 05/04/2023] [Indexed: 06/06/2023]
Abstract
Titanium silica (TS-1) membrane catalysts grown on the surfaces of spherical substrates can both exploit the high catalytic performance and facilitate their separation from products after the reaction. In this work, a simple static crystallization method was used to perform the in situ construction of a TS-1 membrane on the surfaces of micron-sized spherical carriers. The shortcomings of the TS-1 membrane under static crystallization conditions were overcome by in situ dynamic crystallization, and the effect of rotation speed on the formation of the molecular sieve membrane was investigated. The results showed that the molecular sieve membrane was smooth and homogeneous, with a higher synthesis efficiency at a slow rotational speed. The micron TS-1 spherical membrane catalytic chloropropene epoxidation reaction was investigated in a fixed bed, and the conversion of hydrogen peroxide and selectivity of epichlorohydrin reached 99.4 and 96.8%, respectively. After being reused twice, the catalyst still maintained a stable catalytic performance.
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Affiliation(s)
| | - Yichuan Li
- . Tel.: +86-532-86984686. Fax: +86-532-86981787
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7
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Suib SL, Přech J, Szaniawska E, Čejka J. Recent Advances in Tetra- (Ti, Sn, Zr, Hf) and Pentavalent (Nb, V, Ta) Metal-Substituted Molecular Sieve Catalysis. Chem Rev 2023; 123:877-917. [PMID: 36547404 DOI: 10.1021/acs.chemrev.2c00509] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Metal substitution of molecular sieve systems is a major driving force in developing novel catalytic processes to meet current demands of green chemistry concepts and to achieve sustainability in the chemical industry and in other aspects of our everyday life. The advantages of metal-substituted molecular sieves include high surface areas, molecular sieving effects, confinement effects, and active site and morphology variability and stability. The present review aims to comprehensively and critically assess recent advances in the area of tetra- (Ti, Sn, Zr, Hf) and pentavalent (V, Nb, Ta) metal-substituted molecular sieves, which are mainly characterized for their Lewis acidic active sites. Metal oxide molecular sieve materials with properties similar to those of zeolites and siliceous molecular sieve systems are also discussed, in addition to relevant studies on metal-organic frameworks (MOFs) and some composite MOF systems. In particular, this review focuses on (i) synthesis aspects determining active site accessibility and local environment; (ii) advances in active site characterization and, importantly, quantification; (iii) selective redox and isomerization reaction applications; and (iv) photoelectrocatalytic applications.
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Affiliation(s)
- Steven L Suib
- Departments of Chemistry and Chemical and Biomolecular Engineering, and Institute of Materials Science, University of Connecticut, Storrs, Connecticut 06269-3060, United States
| | - Jan Přech
- Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University in Prague, Hlavova 8, 128 43 Prague 2, Czech Republic
| | - Ewelina Szaniawska
- Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University in Prague, Hlavova 8, 128 43 Prague 2, Czech Republic
| | - Jiří Čejka
- Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University in Prague, Hlavova 8, 128 43 Prague 2, Czech Republic
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8
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Wang B, Guo Y, Zhu J, Ma J, Qin Q. A review on titanosilicate-1 (TS-1) catalysts: Research progress of regulating titanium species. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2022.214931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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9
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Wang J, Shen X, Zhang Y, Lu J, Liu M, Ling L, Liao J, Chang L, Xie K. Synthesis of the Hierarchical TS-1 Using TritonX Homologues for Hydroxylation of Benzene. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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10
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Hydrothermal Modification of TS-1 Zeolites with Organic Amines and Salts to Construct Highly Selective Catalysts for Cyclopentene Epoxidation. Catalysts 2022. [DOI: 10.3390/catal12101241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
Developing efficient heterogeneous catalysts for cyclic olefins epoxidation is highly attractive for meeting the growing need for various cyclic epoxides. Herein, hierarchical TS-1 zeolite with relatively abundant mesopores and less amount of surface hydroxyl groups was obtained by hydrothermal modification of an as-synthesized TS-1 zeolite with a mixed solution of ammonia, tetrapropylammonium bromide (TPABr) and KCl. The post-modified TS-1 zeolite exhibited much higher catalytic activity (52% conversion) and epoxide selectivity (98%) for the epoxidation of cyclopentene than the conventional TS-1 zeolites. The excellent catalytic activity of the hierarchical TS-1 could be mainly assigned to the enhancement of the mass transport ability and the accessibility of the active Ti species, while the improvement of epoxidation selectivity may be mainly related to the introduction of a certain amount of K+ that can effectively modulate the coordination environment of Ti species as well as the polarity of the zeolite. This work demonstrated that a highly active and selective catalyst for the H2O2-mediated cyclopentene epoxidation could be obtained by concurrently generating mesopore and extinguishing the unfavorable defective hydroxyl groups through the simple hydrothermal treatment of the conventional TS-1 zeolite with a mixed base/salt solution.
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11
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Yang G, Qiu Z, Peng S, Nan M, Li L, Hou Y, Chen X. Seed-Assisted Synthesis of Hierarchically Structured Nano-Sized Ti-β Zeolites for the Efficient Epoxidation Reaction of Alkenes. Inorg Chem 2022; 61:4887-4894. [PMID: 35286079 DOI: 10.1021/acs.inorgchem.1c03652] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The development of nano-sized titanosilicate zeolites with hierarchical structures is crucial in promoting the efficient epoxidation of alkenes. In the present work, nano-sized hierarchical Ti-β (*BEA) zeolites with high crystal yield are prepared by a one-pot nanoseed-assisted approach. The influence of seed size on the resultant Ti-β zeolites is investigated by complementary characterizations, including X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FT-IR), N2 adsorption/desorption, UV-vis diffuse reflectance spectroscopy (DRS), and UV Raman spectroscopy. The possible process for the formation of hierarchical Ti-β nanocrystals with the assistance of nanoseeds in the synthesis gel is proposed. Consequentially, the nano-sized hierarchical material prepared by the nanoseed-assisted method shows excellent mass transportation and accessibility to active sites by reducing particle size and constructing hierarchical porosity, hence showing a remarkably enhanced catalytic activity and selectivity in the epoxidation reaction of alkenes. This work will shed light on the efficient preparation of nano-sized titanosilicate zeolites.
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Affiliation(s)
- Guoju Yang
- State Key Laboratory of Inorganic Synthesis & Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Ziyi Qiu
- State Key Laboratory of Inorganic Synthesis & Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Sainan Peng
- School of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Changchun 130022, P. R. China
| | - Maiyan Nan
- State Key Laboratory of Inorganic Synthesis & Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Lin Li
- Electron Microscopy Center, Jilin University, 2699 Qianjin Street, Changchun 130012, P. R. China
| | - Ying Hou
- State Key Laboratory of Inorganic Synthesis & Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Xiaoxin Chen
- State Key Laboratory of Inorganic Synthesis & Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, P. R. China
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12
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Preparation and Catalytic Performance in Propylene Epoxidation of Hydrophobic Hierarchical Porous TS-1 Zeolite. Catal Letters 2022. [DOI: 10.1007/s10562-021-03805-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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13
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Lin H, Zhang J, Duan Q, Yang K, Liao W, Qi S, Lü H, Zhu Z. Dealumination-controlled strategy mediates Ti–Y zeolite with cooperative active sites for selective oxidations. Catal Sci Technol 2022. [DOI: 10.1039/d2cy00808d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Hierarchical Ti–Y zeolite, with dual active sites containing framework-substituted Ti and tri-coordinated Al species, was successfully constructed via a dealumination-controlled strategy, which synergistically catalyzed selective oxidations.
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Affiliation(s)
- Haoyi Lin
- College of Chemistry and Chemical Engineering, Yantai University, 30 Qingquan Road, Yantai 264005, Shandong, China
| | - Jiaxing Zhang
- College of Chemistry and Chemical Engineering, Yantai University, 30 Qingquan Road, Yantai 264005, Shandong, China
| | - Qingxu Duan
- College of Chemistry and Chemical Engineering, Yantai University, 30 Qingquan Road, Yantai 264005, Shandong, China
| | - Kaixuan Yang
- College of Chemistry and Chemical Engineering, Yantai University, 30 Qingquan Road, Yantai 264005, Shandong, China
| | - Weiping Liao
- College of Chemistry and Chemical Engineering, Yantai University, 30 Qingquan Road, Yantai 264005, Shandong, China
| | - Shixue Qi
- College of Chemistry and Chemical Engineering, Yantai University, 30 Qingquan Road, Yantai 264005, Shandong, China
| | - Hongying Lü
- College of Chemistry and Chemical Engineering, Yantai University, 30 Qingquan Road, Yantai 264005, Shandong, China
| | - Zhiguo Zhu
- College of Chemistry and Chemical Engineering, Yantai University, 30 Qingquan Road, Yantai 264005, Shandong, China
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14
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TS-1 zeolite with homogeneous distribution of Ti atoms in the framework: synthesis, crystallization mechanism and its catalytic performance. J Catal 2021. [DOI: 10.1016/j.jcat.2021.11.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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15
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Wang Y, Li L, Bai R, Gao S, Feng Z, Zhang Q, Yu J. Amino acid-assisted synthesis of TS-1 zeolites containing highly catalytically active TiO6 species. CHINESE JOURNAL OF CATALYSIS 2021. [DOI: 10.1016/s1872-2067(21)63882-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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16
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Pastukhova ZY, Levitin VV, Katsman EA, Bruk LG. Kinetics and Mechanism of Allyl Alcohol Epoxidation with Hydrogen Peroxide on a Titanium Silicalite Catalyst TS-1. Formulation and Discrimination between Hypothetical Mechanisms. KINETICS AND CATALYSIS 2021. [DOI: 10.1134/s0023158421050049] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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17
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Structured binder-free MWW-type titanosilicate with Si-rich shell for selective and durable propylene epoxidation. CHINESE JOURNAL OF CATALYSIS 2021. [DOI: 10.1016/s1872-2067(20)63759-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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18
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Tailoring Porosity and Titanium Species of TS-1 Zeolites via Organic Base-assisted Sequential Post-treatment. Chem Res Chin Univ 2021. [DOI: 10.1007/s40242-021-1272-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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19
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Wang G, Li Y, Lin L, Guo Y, Zhang C, Li G, Feng Z, Guo H. Liquid-Phase Epoxidation of Propylene with H 2O 2 over TS-1 Zeolite: Impurity Formation and Inhibition Study. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.1c02087] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Gang Wang
- State Key Laboratory of Fine Chemicals and School of Chemical Engineering, Dalian University of Technology, Dalian 116012, Liaoning, P. R. China
| | - Yue Li
- State Key Laboratory of Fine Chemicals and School of Chemical Engineering, Dalian University of Technology, Dalian 116012, Liaoning, P. R. China
| | - Long Lin
- State Key Laboratory of Fine Chemicals and School of Chemical Engineering, Dalian University of Technology, Dalian 116012, Liaoning, P. R. China
| | - Yitong Guo
- State Key Laboratory of Fine Chemicals and School of Chemical Engineering, Dalian University of Technology, Dalian 116012, Liaoning, P. R. China
| | - Chao Zhang
- State Key Laboratory of Fine Chemicals and School of Chemical Engineering, Dalian University of Technology, Dalian 116012, Liaoning, P. R. China
| | - Gang Li
- State Key Laboratory of Fine Chemicals and School of Chemical Engineering, Dalian University of Technology, Dalian 116012, Liaoning, P. R. China
| | - Zhaochi Feng
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, Liaoning, P. R. China
| | - Hongchen Guo
- State Key Laboratory of Fine Chemicals and School of Chemical Engineering, Dalian University of Technology, Dalian 116012, Liaoning, P. R. China
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20
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Piovano A, Signorile M, Braglia L, Torelli P, Martini A, Wada T, Takasao G, Taniike T, Groppo E. Electronic Properties of Ti Sites in Ziegler–Natta Catalysts. ACS Catal 2021. [DOI: 10.1021/acscatal.1c01735] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Alessandro Piovano
- Department of Chemistry, INSTM and NIS Centre, University of Torino, Via Giuria 7, 10125 Torino, Italy
- DPI, P.O.
Box 902, 5600 AX Eindhoven, The Netherlands
| | - Matteo Signorile
- Department of Chemistry, INSTM and NIS Centre, University of Torino, Via Giuria 7, 10125 Torino, Italy
| | | | | | - Andrea Martini
- Department of Chemistry, INSTM and NIS Centre, University of Torino, Via Giuria 7, 10125 Torino, Italy
- The Smart Materials Research Institute, Southern Federal University, Sladkova 178/24, 344090 Rostov-on-Don, Russia
| | - Toru Wada
- DPI, P.O.
Box 902, 5600 AX Eindhoven, The Netherlands
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Gentoku Takasao
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Toshiaki Taniike
- DPI, P.O.
Box 902, 5600 AX Eindhoven, The Netherlands
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Elena Groppo
- Department of Chemistry, INSTM and NIS Centre, University of Torino, Via Giuria 7, 10125 Torino, Italy
- DPI, P.O.
Box 902, 5600 AX Eindhoven, The Netherlands
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21
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Rojas-Buzo S, Concepción P, Corma A, Moliner M, Boronat M. In-Situ-Generated Active Hf-hydride in Zeolites for the Tandem N-Alkylation of Amines with Benzyl Alcohol. ACS Catal 2021. [DOI: 10.1021/acscatal.1c01739] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Sergio Rojas-Buzo
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas, Avenida de los Naranjos s/n, 46022 València, Spain
| | - Patricia Concepción
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas, Avenida de los Naranjos s/n, 46022 València, Spain
| | - Avelino Corma
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas, Avenida de los Naranjos s/n, 46022 València, Spain
| | - Manuel Moliner
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas, Avenida de los Naranjos s/n, 46022 València, Spain
| | - Mercedes Boronat
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas, Avenida de los Naranjos s/n, 46022 València, Spain
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22
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Zhang M, Zuo Y, Li T, Liu M, Yang H, Guo X. Kinetics simulation of propylene epoxidation over different
Ti
species in
TS
‐1. AIChE J 2021. [DOI: 10.1002/aic.17261] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Miao Zhang
- State Key Laboratory of Fine Chemicals, Department of Catalysis Chemistry and Engineering, School of Chemical Engineering Dalian University of Technology Dalian China
| | - Yi Zuo
- State Key Laboratory of Fine Chemicals, Department of Catalysis Chemistry and Engineering, School of Chemical Engineering Dalian University of Technology Dalian China
| | - Tonghui Li
- State Key Laboratory of Fine Chemicals, Department of Catalysis Chemistry and Engineering, School of Chemical Engineering Dalian University of Technology Dalian China
| | - Min Liu
- State Key Laboratory of Fine Chemicals, Department of Catalysis Chemistry and Engineering, School of Chemical Engineering Dalian University of Technology Dalian China
| | - Hong Yang
- Department of Mechanical Engineering The University of Western Australia Perth Western Australia Australia
| | - Xinwen Guo
- State Key Laboratory of Fine Chemicals, Department of Catalysis Chemistry and Engineering, School of Chemical Engineering Dalian University of Technology Dalian China
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23
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Zhu Q, Miao C, Yi Y, Liu C, Guo Y, Feng Z, Guo H. Solvent‐free gas‐phase epoxidation of propylene in fluidized bed reactor. AIChE J 2021. [DOI: 10.1002/aic.17218] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Quanren Zhu
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering Dalian University of Technology Dalian Liaoning Province China
| | - Cuilan Miao
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering Dalian University of Technology Dalian Liaoning Province China
| | - Yanhui Yi
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering Dalian University of Technology Dalian Liaoning Province China
| | - Chunyan Liu
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering Dalian University of Technology Dalian Liaoning Province China
| | - Yitong Guo
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering Dalian University of Technology Dalian Liaoning Province China
| | - Zhaochi Feng
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian Liaoning China
| | - Hongchen Guo
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering Dalian University of Technology Dalian Liaoning Province China
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24
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Liang X, Peng X, Xia C, Yuan H, Zou K, Huang K, Lin M, Zhu B, Luo Y, Shu X. Improving Ti Incorporation into the BEA Framework by Employing Ethoxylated Chlorotitanate as Ti Precursor: Postsynthesis, Characterization, and Incorporation Mechanism. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.0c04375] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Xiaohang Liang
- State Key Laboratory of Catalytic Material and Reaction Engineering, Research Institute of Petroleum Processing, Sinopec, Beijing, P. R. China 100083
| | - Xinxin Peng
- State Key Laboratory of Catalytic Material and Reaction Engineering, Research Institute of Petroleum Processing, Sinopec, Beijing, P. R. China 100083
| | - Changjiu Xia
- State Key Laboratory of Catalytic Material and Reaction Engineering, Research Institute of Petroleum Processing, Sinopec, Beijing, P. R. China 100083
| | - Hui Yuan
- State Key Laboratory of Catalytic Material and Reaction Engineering, Research Institute of Petroleum Processing, Sinopec, Beijing, P. R. China 100083
| | - Kang Zou
- State Key Laboratory of Catalytic Material and Reaction Engineering, Research Institute of Petroleum Processing, Sinopec, Beijing, P. R. China 100083
| | - Kaimeng Huang
- State Key Laboratory of Catalytic Material and Reaction Engineering, Research Institute of Petroleum Processing, Sinopec, Beijing, P. R. China 100083
| | - Min Lin
- State Key Laboratory of Catalytic Material and Reaction Engineering, Research Institute of Petroleum Processing, Sinopec, Beijing, P. R. China 100083
| | - Bin Zhu
- State Key Laboratory of Catalytic Material and Reaction Engineering, Research Institute of Petroleum Processing, Sinopec, Beijing, P. R. China 100083
| | - Yibin Luo
- State Key Laboratory of Catalytic Material and Reaction Engineering, Research Institute of Petroleum Processing, Sinopec, Beijing, P. R. China 100083
| | - Xingtian Shu
- State Key Laboratory of Catalytic Material and Reaction Engineering, Research Institute of Petroleum Processing, Sinopec, Beijing, P. R. China 100083
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25
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Peng R, Wan Z, Lv H, Guan Y, Xu H, Wu P. Al-Modified Ti-MOR as a robust catalyst for cyclohexanone ammoximation with enhanced anti-corrosion performance. Catal Sci Technol 2021. [DOI: 10.1039/d1cy01396c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The skeleton desilication accompanied by Ti active sites leaching accounts for the dominant chemical deactivation reasons in the alkali liquid-phase ammoximation, which could be retarded by creating a protective Al-rich shell.
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Affiliation(s)
- Rusi Peng
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, North Zhongshan Road 3663, Shanghai, 200062, P.R. China
| | - Zhipeng Wan
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, North Zhongshan Road 3663, Shanghai, 200062, P.R. China
| | - Huanzhi Lv
- Zhejiang JRT New Material Co. Ltd, Fuling Rd. 1567, Nanming Street, Liandu District, Lishui, 323000, Zhejiang Province, China
| | - Yejun Guan
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, North Zhongshan Road 3663, Shanghai, 200062, P.R. China
| | - Hao Xu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, North Zhongshan Road 3663, Shanghai, 200062, P.R. China
| | - Peng Wu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, North Zhongshan Road 3663, Shanghai, 200062, P.R. China
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26
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Ding L, Yin J, Tong W, Peng R, Jiang J, Xu H, Wu P. Selective synthesis of epichlorohydrin via liquid-phase allyl chloride epoxidation over a modified Ti-MWW zeolite in a continuous slurry bed reactor. NEW J CHEM 2021. [DOI: 10.1039/d0nj04491a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The epoxidation of allyl chloride (ALC) to epichlorohydrin (ECH) with H2O2 using a piperidine (PI)-modified Ti-MWW catalyst (Ti-MWW-PI) in a continuous slurry reactor was investigated to develop an efficient reaction system for the corresponding industrial process.
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Affiliation(s)
- Luoyi Ding
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- China
| | - Jinpeng Yin
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- China
| | - Wen Tong
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- China
| | - Rusi Peng
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- China
| | - Jingang Jiang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- China
| | - Hao Xu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- China
| | - Peng Wu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- China
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27
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Hess C. New advances in using Raman spectroscopy for the characterization of catalysts and catalytic reactions. Chem Soc Rev 2021; 50:3519-3564. [PMID: 33501926 DOI: 10.1039/d0cs01059f] [Citation(s) in RCA: 80] [Impact Index Per Article: 26.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Gaining insight into the mode of operation of heterogeneous catalysts is of great scientific and economic interest. Raman spectroscopy has proven its potential as a powerful vibrational spectroscopic technique for a fundamental and molecular-level characterization of catalysts and catalytic reactions. Raman spectra provide important insight into reaction mechanisms by revealing specific information on the catalysts' (defect) structure in the bulk and at the surface, as well as the presence of adsorbates and reaction intermediates. Modern Raman instrumentation based on single-stage spectrometers allows high throughput and versatility in design of in situ/operando cells to study working catalysts. This review highlights major advances in the use of Raman spectroscopy for the characterization of heterogeneous catalysts made during the past decade, including the development of new methods and potential directions of research for applying Raman spectroscopy to working catalysts. The main focus will be on gas-solid catalytic reactions, but (photo)catalytic reactions in the liquid phase will be touched on if it appears appropriate. The discussion begins with the main instrumentation now available for applying vibrational Raman spectroscopy to catalysis research, including in situ/operando cells for studying gas-solid catalytic processes. The focus then moves to the different types of information available from Raman spectra in the bulk and on the surface of solid catalysts, including adsorbates and surface depositions, as well as the use of theoretical calculations to facilitate band assignments and to describe (resonance) Raman effects. This is followed by a presentation of major developments in enhancing the Raman signal of heterogeneous catalysts by use of UV resonance Raman spectroscopy, surface-enhanced Raman spectroscopy (SERS), and shell-isolated nanoparticle surface-enhanced Raman spectroscopy (SHINERS). The application of time-resolved Raman studies to structural and kinetic characterization is then discussed. Finally, recent developments in spatially resolved Raman analysis of catalysts and catalytic processes are presented, including the use of coherent anti-Stokes Raman spectroscopy (CARS) and tip-enhanced Raman spectroscopy (TERS). The review concludes with an outlook on potential future developments and applications of Raman spectroscopy in heterogeneous catalysis.
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Affiliation(s)
- Christian Hess
- Eduard-Zintl-Institut für Anorganische und Physikalische Chemie, Technische Universität Darmstadt, Alarich-Weiss-Str. 8, 64287, Darmstadt, Germany.
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28
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Zuo Y, Yang L, Jiang X, Ma M, Wang Y, Liu M, Song C, Guo X. Role of Recrystallization in Alkaline Treatment on the Catalytic Activity of 1‐Butene Epoxidation. ChemCatChem 2020. [DOI: 10.1002/cctc.202001480] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Yi Zuo
- State Key Laboratory of Fine Chemicals PSU-DUT Joint Center for Energy Research Department of Catalysis Chemistry and Engineering Dalian University of Technology Dalian 116024 P.R. China
| | - Liqian Yang
- State Key Laboratory of Fine Chemicals PSU-DUT Joint Center for Energy Research Department of Catalysis Chemistry and Engineering Dalian University of Technology Dalian 116024 P.R. China
| | - Xiao Jiang
- Chemical Sciences Division Oak Ridge National Laboratory Oak Ridge TN 37381 USA
| | - Mengtong Ma
- State Key Laboratory of Fine Chemicals PSU-DUT Joint Center for Energy Research Department of Catalysis Chemistry and Engineering Dalian University of Technology Dalian 116024 P.R. China
| | - Yanli Wang
- State Key Laboratory of Fine Chemicals PSU-DUT Joint Center for Energy Research Department of Catalysis Chemistry and Engineering Dalian University of Technology Dalian 116024 P.R. China
| | - Min Liu
- State Key Laboratory of Fine Chemicals PSU-DUT Joint Center for Energy Research Department of Catalysis Chemistry and Engineering Dalian University of Technology Dalian 116024 P.R. China
| | - Chunshan Song
- Department of Chemistry Faculty of Science The Chinese University of Hong Kong Shatin NT Hong Kong P.R. China
| | - Xinwen Guo
- State Key Laboratory of Fine Chemicals PSU-DUT Joint Center for Energy Research Department of Catalysis Chemistry and Engineering Dalian University of Technology Dalian 116024 P.R. China
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29
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Bai R, Navarro MT, Song Y, Zhang T, Zou Y, Feng Z, Zhang P, Corma A, Yu J. Titanosilicate zeolite precursors for highly efficient oxidation reactions. Chem Sci 2020; 11:12341-12349. [PMID: 34094443 PMCID: PMC8162463 DOI: 10.1039/d0sc04603e] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Titanosilicate zeolites are catalysts of interest in the field of fine chemicals. However, the generation and accessibility of active sites in titanosilicate materials for catalyzing reactions with large molecules is still a challenge. Herein, we prepared titanosilicate zeolite precursors with open zeolitic structures, tunable pore sizes, and controllable Si/Ti ratios through a hydrothermal crystallization strategy by using quaternary ammonium templates. A series of quaternary ammonium ions are discovered as effective organic templates. The prepared amorphous titanosilicate zeolites with some zeolite framework structural order have extra-large micropores and abundant octahedrally coordinated isolated Ti species, which lead to a superior catalytic performance in the oxidative desulfurization of dibenzothiophene (DBT) and epoxidation of cyclohexene. It is anticipated that the amorphous prezeolitic titanosilicates will benefit the catalytic conversion of bulky molecules in a wide range of reaction processes. Titanosilicate zeolite precursors, with open structures of zeolite units and high amounts of catalytically active Ti species, show superior catalytic performance in the oxidative reactions.![]()
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Affiliation(s)
- Risheng Bai
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University Changchun 130012 China .,Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas Avenida de los Naranjos s/n 46022 Valencia Spain
| | - M Teresa Navarro
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas Avenida de los Naranjos s/n 46022 Valencia Spain
| | - Yue Song
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University Changchun 130012 China
| | - Tianjun Zhang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University Changchun 130012 China
| | - Yongcun Zou
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University Changchun 130012 China
| | - Zhaochi Feng
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences Dalian 116023 China
| | - Peng Zhang
- Department of Chemistry, Dalhousie University Halifax Nova Scotia B3H 4R2 Canada
| | - Avelino Corma
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas Avenida de los Naranjos s/n 46022 Valencia Spain
| | - Jihong Yu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University Changchun 130012 China .,International Center of Future Science, Jilin University Changchun 130012 China
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30
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Signorile M, Braglia L, Crocellà V, Torelli P, Groppo E, Ricchiardi G, Bordiga S, Bonino F. Titanium Defective Sites in TS‐1: Structural Insights by Combining Spectroscopy and Simulation. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202005841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Matteo Signorile
- Department of Chemistry, NIS and INSTM Reference Centre Università di Torino Via G. Quarello 15, I-10135 and Via P. Giuria 7 10125 Torino Italy
| | - Luca Braglia
- TASC Laboratory, IOM-CNR S.S. 14 km 163.5 Basovizza 34149 Trieste Italy
| | - Valentina Crocellà
- Department of Chemistry, NIS and INSTM Reference Centre Università di Torino Via G. Quarello 15, I-10135 and Via P. Giuria 7 10125 Torino Italy
| | - Piero Torelli
- TASC Laboratory, IOM-CNR S.S. 14 km 163.5 Basovizza 34149 Trieste Italy
| | - Elena Groppo
- Department of Chemistry, NIS and INSTM Reference Centre Università di Torino Via G. Quarello 15, I-10135 and Via P. Giuria 7 10125 Torino Italy
| | - Gabriele Ricchiardi
- Department of Chemistry, NIS and INSTM Reference Centre Università di Torino Via G. Quarello 15, I-10135 and Via P. Giuria 7 10125 Torino Italy
| | - Silvia Bordiga
- Department of Chemistry, NIS and INSTM Reference Centre Università di Torino Via G. Quarello 15, I-10135 and Via P. Giuria 7 10125 Torino Italy
- Center for Materials Science and Nanotechnology (SMN), Department of Chemistry University of Oslo 1033 Blindern 0315 Oslo Norway
| | - Francesca Bonino
- Department of Chemistry, NIS and INSTM Reference Centre Università di Torino Via G. Quarello 15, I-10135 and Via P. Giuria 7 10125 Torino Italy
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31
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Signorile M, Braglia L, Crocellà V, Torelli P, Groppo E, Ricchiardi G, Bordiga S, Bonino F. Titanium Defective Sites in TS-1: Structural Insights by Combining Spectroscopy and Simulation. Angew Chem Int Ed Engl 2020; 59:18145-18150. [PMID: 32648335 DOI: 10.1002/anie.202005841] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Revised: 06/29/2020] [Indexed: 11/07/2022]
Abstract
Ti silicates, and in particular, titanium silicalite-1 (TS-1), are nowadays important catalysts for several partial oxidation reactions in the presence of aqueous H2 O2 as an oxidant. Despite the numerous studies dealing with this material, some fundamental aspects are still unclear. In particular, the structure and the catalytic role of defective Ti sites, other than perfect tetrahedral sites recognized as the main active species, has not been quantitatively discussed in the literature. We assess the structural features of defective Ti sites on the basis of outcomes of electronic spectroscopies, as interpreted through quantum mechanical simulation. Strong evidence is disclosed to support the fact that the most common defective Ti sites, often reported in the TS-1 literature, are monomeric Ti centers that are embedded in the zeolite framework, and which have a distorted octahedral local symmetry.
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Affiliation(s)
- Matteo Signorile
- Department of Chemistry, NIS and INSTM Reference Centre, Università di Torino, Via G. Quarello 15, I-10135 and Via P. Giuria 7, 10125, Torino, Italy
| | - Luca Braglia
- TASC Laboratory, IOM-CNR, S.S. 14 km 163.5, Basovizza, 34149 Trieste, Italy
| | - Valentina Crocellà
- Department of Chemistry, NIS and INSTM Reference Centre, Università di Torino, Via G. Quarello 15, I-10135 and Via P. Giuria 7, 10125, Torino, Italy
| | - Piero Torelli
- TASC Laboratory, IOM-CNR, S.S. 14 km 163.5, Basovizza, 34149 Trieste, Italy
| | - Elena Groppo
- Department of Chemistry, NIS and INSTM Reference Centre, Università di Torino, Via G. Quarello 15, I-10135 and Via P. Giuria 7, 10125, Torino, Italy
| | - Gabriele Ricchiardi
- Department of Chemistry, NIS and INSTM Reference Centre, Università di Torino, Via G. Quarello 15, I-10135 and Via P. Giuria 7, 10125, Torino, Italy
| | - Silvia Bordiga
- Department of Chemistry, NIS and INSTM Reference Centre, Università di Torino, Via G. Quarello 15, I-10135 and Via P. Giuria 7, 10125, Torino, Italy.,Center for Materials Science and Nanotechnology (SMN), Department of Chemistry, University of Oslo, 1033 Blindern, 0315, Oslo, Norway
| | - Francesca Bonino
- Department of Chemistry, NIS and INSTM Reference Centre, Università di Torino, Via G. Quarello 15, I-10135 and Via P. Giuria 7, 10125, Torino, Italy
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32
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Song X, Yang X, Zhang T, Zhang H, Zhang Q, Hu D, Chang X, Li Y, Chen Z, Jia M, Zhang P, Yu J. Controlling the Morphology and Titanium Coordination States of TS-1 Zeolites by Crystal Growth Modifier. Inorg Chem 2020; 59:13201-13210. [PMID: 32877172 DOI: 10.1021/acs.inorgchem.0c01518] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Developing an effective strategy to synthesize perfect titanosilicate TS-1 zeolite crystals with desirable morphologies, enriched isolated framework Ti species, and thus enhanced catalytic oxidation properties is a pervasive challenge in zeolite crystal engineering. We here used an amino acid l-carnitine as a crystal growth modifier and ethanol as a cosolvent to regulate the morphologies and the Ti coordination states of TS-1 zeolites. During the hydrothermal crystallization process, the introduced l-carnitine can not only tailor the anisotropic growth rates of zeolite crystals but also induce the formation of uniformly distributed framework Ti species through building a suitable chemical interaction with the Ti precursor species. Condition optimizations could afford the generation of perfect hexagonal plate TS-1 crystals and elongated platelet TS-1 crystals enriched in tetrahedral framework Ti sites (TiO4) or mononuclear octahedrally coordinated Ti species (TiO6). Both samples showed significant improvement in catalytic activity for the H2O2-mediated epoxidation of alkenes. In particular, the elongated platelet TS-1 enriched in "TiO6" species afforded the highest activity in 1-hexene epoxidation, with a turnover frequency (TOF) of up to 131 h-1, which is approximately twice as high as that of the conventional TS-1 zeolite (TOF: 65 h-1) and even higher than those of the literature-reported TiO6-containting TS-1 catalysts derived from the hydrothermal post-treatment of TS-1 zeolites. This work demonstrates that the morphologies and the titanium coordination states of TS-1 zeolites can be effectively tuned by directly introducing suitable crystal growth modifiers, thus providing new opportunities for developing highly efficient titanosilicate zeolite catalysts for important catalytic applications.
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Affiliation(s)
- Xiaojing Song
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Xiaotong Yang
- Key Laboratory of Surface and Interface Chemistry of Jilin Province, College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Tianjun Zhang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, P. R. China.,Department of Chemistry, Dalhousie University, Halifax B3H4R2, Canada
| | - Hao Zhang
- Key Laboratory of Surface and Interface Chemistry of Jilin Province, College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Qiang Zhang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Dianwen Hu
- Key Laboratory of Surface and Interface Chemistry of Jilin Province, College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Xinyu Chang
- Key Laboratory of Surface and Interface Chemistry of Jilin Province, College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Yingying Li
- Department of Chemistry, Dalhousie University, Halifax B3H4R2, Canada
| | - Ziyi Chen
- Department of Chemistry, Dalhousie University, Halifax B3H4R2, Canada
| | - Mingjun Jia
- Key Laboratory of Surface and Interface Chemistry of Jilin Province, College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Peng Zhang
- Department of Chemistry, Dalhousie University, Halifax B3H4R2, Canada
| | - Jihong Yu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, P. R. China.,International Center of Future Science, Jilin University, Changchun 130012, P. R. China
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33
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Lyu J, Niu L, Shen F, Wei J, Xiang Y, Yu Z, Zhang G, Ding C, Huang Y, Li X. In Situ Hydrogen Peroxide Production for Selective Oxidation of Benzyl Alcohol over a Pd@Hierarchical Titanium Silicalite Catalyst. ACS OMEGA 2020; 5:16865-16874. [PMID: 32685856 PMCID: PMC7366351 DOI: 10.1021/acsomega.0c02065] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 06/19/2020] [Indexed: 06/11/2023]
Abstract
Using in situ generated H2O2 is potentially an effective approach for benzyl alcohol selective oxidation. While the microporous titanium silicate (TS-1) supported with Pd is promising for selective oxidation, the Pd particles are preferentially anchored on the external surface, which leads to the problems such as non-uniform dispersion and low thermal stability. Here, we prepared a Pd@HTS-1 catalyst in which the Pd subnanoparticles were encapsulated in the channels of the hierarchical TS-1 (HTS-1), for benzyl alcohol selective oxidation with in situ produced H2O2. We find that the oxidation rate of benzyl alcohol by in situ H2O2 over the Pd@HTS-1 is up to 4268.8 mmol h-1 kgcat -1, and the selectivity of benzaldehyde approaches 100%. In contrast to the conventional Pd/HTS-1, the present Pd@HTS-1 benefits the benzyl alcohol selective oxidation due to the increased dispersion of Pd particles (forming uniformly dispersed subnano-sized particles), as well as the confinement effect and hierarchical porosity of the HTS-1 host. We further suggested that hydrogen peroxide produced in situ from the molecular hydrogen and oxygen over the Pd sites can be spilled over to the framework Ti4+ sites, forming the Ti-OOH active species, which selectively oxidizes the chemisorbed benzyl alcohol to benzaldehyde on the Pd sites.
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Affiliation(s)
- Jinghui Lyu
- College
of Chemical Engineering, State Key Laboratory Breeding Base of Green
Chemistry Synthesis Technology, Zhejiang
University of Technology, Hangzhou 310032, PR China
- Department
of Chemistry, University of Western Ontario, London, Ontario N6A 5B7, Canada
| | - Lei Niu
- College
of Chemical Engineering, State Key Laboratory Breeding Base of Green
Chemistry Synthesis Technology, Zhejiang
University of Technology, Hangzhou 310032, PR China
| | - Fanglie Shen
- Zhejiang
Research Institute of Chemical Industry co., Ltd., Hangzhou 310023, China
| | - Jun Wei
- College
of Chemical Engineering, State Key Laboratory Breeding Base of Green
Chemistry Synthesis Technology, Zhejiang
University of Technology, Hangzhou 310032, PR China
| | - Yizhi Xiang
- Dave
C. Swalm School of Chemical Engineering, Mississippi State University, Mississippi State, Mississippi 39762, United States
| | - Zhongjing Yu
- College
of Chemical Engineering, State Key Laboratory Breeding Base of Green
Chemistry Synthesis Technology, Zhejiang
University of Technology, Hangzhou 310032, PR China
| | - Guofu Zhang
- College
of Chemical Engineering, State Key Laboratory Breeding Base of Green
Chemistry Synthesis Technology, Zhejiang
University of Technology, Hangzhou 310032, PR China
| | - Chengrong Ding
- College
of Chemical Engineering, State Key Laboratory Breeding Base of Green
Chemistry Synthesis Technology, Zhejiang
University of Technology, Hangzhou 310032, PR China
| | - Yining Huang
- Department
of Chemistry, University of Western Ontario, London, Ontario N6A 5B7, Canada
| | - Xiaonian Li
- College
of Chemical Engineering, State Key Laboratory Breeding Base of Green
Chemistry Synthesis Technology, Zhejiang
University of Technology, Hangzhou 310032, PR China
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34
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Zhu Q, Liu H, Miao C, Wang G, Li Y, Yi Y, Feng Z, Guo H. Grafting Ti Sites on Defective Silicalite-1 via TiCl 4 Chemical Vapor Deposition for Gas-Phase Epoxidation of Propylene and H 2O 2 Vapor. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.9b06652] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Quanren Zhu
- Department of Catalytic Chemistry and Engineering & State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, Liaoning Province 116012, P. R. China
| | - Hongwei Liu
- Department of Catalytic Chemistry and Engineering & State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, Liaoning Province 116012, P. R. China
| | - Cuilan Miao
- Department of Catalytic Chemistry and Engineering & State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, Liaoning Province 116012, P. R. China
| | - Gang Wang
- Department of Catalytic Chemistry and Engineering & State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, Liaoning Province 116012, P. R. China
| | - Yue Li
- Department of Catalytic Chemistry and Engineering & State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, Liaoning Province 116012, P. R. China
| | - Yanhui Yi
- Department of Catalytic Chemistry and Engineering & State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, Liaoning Province 116012, P. R. China
| | - Zhaochi Feng
- State Key Laboratory of Catalysis Dalian Institute of Chemical Physics Chinese Academy of Sciences, Dalian, Liaoning Province 116023, P. R. China
| | - Hongchen Guo
- Department of Catalytic Chemistry and Engineering & State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, Liaoning Province 116012, P. R. China
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35
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Solé-Daura A, Zhang T, Fouilloux H, Robert C, Thomas CM, Chamoreau LM, Carbó JJ, Proust A, Guillemot G, Poblet JM. Catalyst Design for Alkene Epoxidation by Molecular Analogues of Heterogeneous Titanium-Silicalite Catalysts. ACS Catal 2020. [DOI: 10.1021/acscatal.9b05147] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Albert Solé-Daura
- Department de Química Física i Inorgànica, Universitat Rovira i Virgili, Marcel·lí Domingo 1, 43007 Tarragona, Spain
| | - Teng Zhang
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, 4 place Jussieu, F-75005 Paris, France
| | - Hugo Fouilloux
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, 4 place Jussieu, F-75005 Paris, France
- Chimie ParisTech, PSL University, CNRS, Institut de Recherche de Chimie Paris, 75005 Paris, France
| | - Carine Robert
- Chimie ParisTech, PSL University, CNRS, Institut de Recherche de Chimie Paris, 75005 Paris, France
| | - Christophe M. Thomas
- Chimie ParisTech, PSL University, CNRS, Institut de Recherche de Chimie Paris, 75005 Paris, France
| | - Lise-Marie Chamoreau
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, 4 place Jussieu, F-75005 Paris, France
| | - Jorge J. Carbó
- Department de Química Física i Inorgànica, Universitat Rovira i Virgili, Marcel·lí Domingo 1, 43007 Tarragona, Spain
| | - Anna Proust
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, 4 place Jussieu, F-75005 Paris, France
| | - Geoffroy Guillemot
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, 4 place Jussieu, F-75005 Paris, France
| | - Josep M. Poblet
- Department de Química Física i Inorgànica, Universitat Rovira i Virgili, Marcel·lí Domingo 1, 43007 Tarragona, Spain
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36
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Tang Z, Yu Y, Liu W, Chen Z, Wang R, Liu H, Wu H, Liu Y, He M. Deboronation-assisted construction of defective Ti(OSi) 3OH species in MWW-type titanosilicate and their enhanced catalytic performance. Catal Sci Technol 2020. [DOI: 10.1039/d0cy00126k] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Regulating the state of titanium species via the deboronation-assisted route is a facile strategy to construct highly efficient titanosilicate catalysts.
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Affiliation(s)
- Zhimou Tang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- P. R. China
| | - Yunkai Yu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- P. R. China
| | - Wei Liu
- Shanghai Research Institute of Petrochemical Technology
- SINOPEC
- Shanghai 201208
- P. R. China
| | - Zhen Chen
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- P. R. China
| | - Rui Wang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- P. R. China
| | - Haoxin Liu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- P. R. China
| | - Haihong Wu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- P. R. China
| | - Yueming Liu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- P. R. China
| | - Mingyuan He
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- P. R. China
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37
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Yu Y, Tang Z, Wang J, Wang R, Chen Z, Liu H, Shen K, Huang X, Liu Y, He M. Insights into the efficiency of hydrogen peroxide utilization over titanosilicate/H2O2 systems. J Catal 2020. [DOI: 10.1016/j.jcat.2019.09.045] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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38
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Liu S, Zhang H, Chen H, Chen Z, Zhang L, Ren J, Wen X, Yang Y, Li YW. Fabrication of a core–shell MFI@TON material and its enhanced catalytic performance for toluene alkylation. Catal Sci Technol 2020. [DOI: 10.1039/c9cy02133g] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Core–shell MFI@TON composites were designed and synthesized as a highly shape-selective catalyst for toluene alkylation by passivating the nonselective acid sites and tuning the diffusion behavior.
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Affiliation(s)
- Suyao Liu
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry
- Chinese Academy of Sciences
- Taiyuan 030001
- PR China
| | - Huaike Zhang
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry
- Chinese Academy of Sciences
- Taiyuan 030001
- PR China
| | - Huimin Chen
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry
- Chinese Academy of Sciences
- Taiyuan 030001
- PR China
| | - Zhiqiang Chen
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry
- Chinese Academy of Sciences
- Taiyuan 030001
- PR China
| | - Liwei Zhang
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry
- Chinese Academy of Sciences
- Taiyuan 030001
- PR China
| | - Jie Ren
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry
- Chinese Academy of Sciences
- Taiyuan 030001
- PR China
| | - Xiaodong Wen
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry
- Chinese Academy of Sciences
- Taiyuan 030001
- PR China
| | - Yong Yang
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry
- Chinese Academy of Sciences
- Taiyuan 030001
- PR China
| | - Yong-Wang Li
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry
- Chinese Academy of Sciences
- Taiyuan 030001
- PR China
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39
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Yang G, Han J, Qiu Z, Chen X, Feng Z, Yu J. An amino acid-assisted approach to fabricate nanosized hierarchical TS-1 zeolites for efficient oxidative desulfurization. Inorg Chem Front 2020. [DOI: 10.1039/c9qi01543d] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A facile amino acid-assisted approach coupled with two-step rota-crystallization has been developed to prepare nanosized hierarchical TS-1 zeolites, which are free of anatase TiO2 and possess abundant secondary meso-/macropores.
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Affiliation(s)
- Guoju Yang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- College of Chemistry
- Jilin University
- Changchun 130012
- People's Republic of China
| | - Ji Han
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- College of Chemistry
- Jilin University
- Changchun 130012
- People's Republic of China
| | - Ziyi Qiu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- College of Chemistry
- Jilin University
- Changchun 130012
- People's Republic of China
| | - Xiaoxin Chen
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- College of Chemistry
- Jilin University
- Changchun 130012
- People's Republic of China
| | - Zhaochi Feng
- State Key Laboratory of Catalysis
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- China
| | - Jihong Yu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- College of Chemistry
- Jilin University
- Changchun 130012
- People's Republic of China
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40
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Yin J, Xu H, Wang B, Tian W, Yin J, Jiang J, Wu P. Highly selective 1-pentene epoxidation over Ti-MWW with modified microenvironment of Ti active sites. Catal Sci Technol 2020. [DOI: 10.1039/d0cy00478b] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The hexa-coordinated Ti active sites with the piperidine molecules as ligand significantly accelerate H2O2 activation, which effectively improve the catalytic performance of Ti-MWW in the 1-pentene epoxidation reaction.
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Affiliation(s)
- Jinpeng Yin
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- China
| | - Hao Xu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- China
| | - Bowen Wang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- China
| | - Wenwen Tian
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- China
| | - Jianyong Yin
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- China
| | - Jingang Jiang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- China
| | - Peng Wu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- China
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41
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Wang J, Chen Z, Yu Y, Tang Z, Shen K, Wang R, Liu H, Huang X, Liu Y. Hollow core-shell structured TS-1@S-1 as an efficient catalyst for alkene epoxidation. RSC Adv 2019; 9:37801-37808. [PMID: 35541812 PMCID: PMC9075760 DOI: 10.1039/c9ra07893b] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Accepted: 11/11/2019] [Indexed: 11/21/2022] Open
Abstract
Hollow core-shell structured TS-1@S-1 zeolite (HCS-TS) was prepared successfully for the first time, which exhibited excellent activity in the epoxidation of alkenes. Combining TEM, UV-vis, UV-Raman, pyridine-IR, solid-state MAS NMR, XPS and so on characterization, the improvement in the catalytic performance of hollow core-shell structured TS-1@S-1 zeolite was credited to the newly formed superior active sites: defective Ti(OSi)3(OH) species in HCS-TS and six-coordinated titanium active species in uncalcined HCS-TS (HCS-TSP). Interestingly, these two different titanium active species in the samples could be constructed through calcination or not in the same synthesis process. A possible formation mechanism was investigated in detail; it indicated that the hollowing treatment of TS-1 in the first step was conducive to the construction of the new superior active sites in the samples, and there was a synergistic effect on the formation of these active sites between TPAOH and TEOS in the second step of the synthesis process. This strategy is feasible to enhance the catalytic performance of TS-1, and is suitable for the synthesis of TS-1 on an industrial scale.
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Affiliation(s)
- J Wang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University North Zhongshan Rd 3663 Shanghai 200062 P. R. China +86-21-6223-2058 +86-21-6223-2058
| | - Z Chen
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University North Zhongshan Rd 3663 Shanghai 200062 P. R. China +86-21-6223-2058 +86-21-6223-2058
| | - Y Yu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University North Zhongshan Rd 3663 Shanghai 200062 P. R. China +86-21-6223-2058 +86-21-6223-2058
| | - Z Tang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University North Zhongshan Rd 3663 Shanghai 200062 P. R. China +86-21-6223-2058 +86-21-6223-2058
| | - K Shen
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University North Zhongshan Rd 3663 Shanghai 200062 P. R. China +86-21-6223-2058 +86-21-6223-2058
| | - R Wang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University North Zhongshan Rd 3663 Shanghai 200062 P. R. China +86-21-6223-2058 +86-21-6223-2058
| | - H Liu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University North Zhongshan Rd 3663 Shanghai 200062 P. R. China +86-21-6223-2058 +86-21-6223-2058
| | - X Huang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University North Zhongshan Rd 3663 Shanghai 200062 P. R. China +86-21-6223-2058 +86-21-6223-2058
| | - Y Liu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University North Zhongshan Rd 3663 Shanghai 200062 P. R. China +86-21-6223-2058 +86-21-6223-2058
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42
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Guda AA, Guda SA, Lomachenko KA, Soldatov MA, Pankin IA, Soldatov AV, Braglia L, Bugaev AL, Martini A, Signorile M, Groppo E, Piovano A, Borfecchia E, Lamberti C. Quantitative structural determination of active sites from in situ and operando XANES spectra: From standard ab initio simulations to chemometric and machine learning approaches. Catal Today 2019. [DOI: 10.1016/j.cattod.2018.10.071] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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43
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Nie X, Ren X, Ji X, Chen Y, Janik MJ, Guo X, Song C. Mechanistic Insight into Propylene Epoxidation with H 2O 2 over Titanium Silicalite-1: Effects of Zeolite Confinement and Solvent. J Phys Chem B 2019; 123:7410-7423. [PMID: 31387353 DOI: 10.1021/acs.jpcb.9b04439] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Density functional theory (DFT) calculations were performed to investigate the effects of zeolite confinement and solvent on propylene epoxidation with H2O2 over the titanium silicalite-1 (TS-1) catalyst. The 144T and 143T cluster models containing typical 10MR channels of TS-1 were constructed to represent the tripodal(2I) and Ti/defect sites. It was found that the confinement of the zeolite pore channel not only impacts the adsorption stability of guest molecules but also alters reaction barriers, as compared to the results obtained based on small cluster models. When dispersion corrections were considered, an enhancement of the adsorption stability of guest molecules was observed because of the important contribution from van der Waals interactions, especially for propylene adsorption. An explicit protic methanol molecule was introduced into the catalytic system to probe the influence of the solvent on propylene epoxidation, based on which a significant enhancement of CH3OH-H2O2 co-adsorption was obtained owing to H-bond formation. More importantly, the energy barrier for H2O2 dissociation was largely reduced by ∼13 kcal/mol because of the participation of the methanol in the H-transfer process and the formation of H-bond network, resulting in an alteration of the rate-limiting step. By comparison, adding an aprotic acetonitrile solvent did not have substantial effect on reaction path and kinetics. The calculation results clearly demonstrate the important role of the protic methanol solvent, which not only strengthens the adsorption of guest molecules but also promotes the kinetics for propylene epoxidation with H2O2 over TS-1 catalyst.
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44
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Efficient catalytic performance of tetra-alkyl orthotitanates for the oxidative desulfurization of dibenzothiophene at room temperature. CR CHIM 2019. [DOI: 10.1016/j.crci.2018.11.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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45
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Rodenas Y, Fierro JLG, Mariscal R, Retuerto M, López Granados M. Post-synthesis Treatment of TS-1 with TPAOH: Effect of Hydrophobicity on the Liquid-Phase Oxidation of Furfural to Maleic Acid. Top Catal 2019. [DOI: 10.1007/s11244-019-01149-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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46
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Yan M, Jin F, Ding Y, Wu G, Chen R, Wang L, Yan Y. Synthesis of Titanium-Incorporated MWW Zeolite by Sequential Deboronation and Atom-Planting Treatment of ERB-1 as an Epoxidation Catalyst. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.8b05836] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | | | | | | | | | - Luhui Wang
- Department of Chemical Engineering, School of Petrochemical Technology and Energy Engineering, Zhejiang Ocean University, Zhoushan, Zhejiang 316022, China
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47
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Martausová I, Spustová D, Cvejn D, Martaus A, Lacný Z, Přech J. Catalytic activity of advanced titanosilicate zeolites in hydrogen peroxide S-oxidation of methyl(phenyl)sulfide. Catal Today 2019. [DOI: 10.1016/j.cattod.2018.07.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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48
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Cruz P, Fajardo M, del Hierro I, Pérez Y. Selective oxidation of thioanisole by titanium complexes immobilized on mesoporous silica nanoparticles: elucidating the environment of titanium(iv) species. Catal Sci Technol 2019. [DOI: 10.1039/c8cy01929k] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
The coordination environment of titanium of the catalysts was investigated by DRUV–vis, Raman and 47/49Ti MAS-NMR spectroscopies and solid-state electrochemical techniques.
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Affiliation(s)
- Paula Cruz
- Departamento Biología y Geología
- Física y Química Inorgánica (E.S.C.E.T.)
- Universidad Rey Juan Carlos
- Madrid
- Spain
| | - Mariano Fajardo
- Departamento Biología y Geología
- Física y Química Inorgánica (E.S.C.E.T.)
- Universidad Rey Juan Carlos
- Madrid
- Spain
| | - Isabel del Hierro
- Departamento Biología y Geología
- Física y Química Inorgánica (E.S.C.E.T.)
- Universidad Rey Juan Carlos
- Madrid
- Spain
| | - Yolanda Pérez
- Departamento Biología y Geología
- Física y Química Inorgánica (E.S.C.E.T.)
- Universidad Rey Juan Carlos
- Madrid
- Spain
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49
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Přech J, Pizarro P, Serrano DP, Čejka J. From 3D to 2D zeolite catalytic materials. Chem Soc Rev 2018; 47:8263-8306. [PMID: 30167621 DOI: 10.1039/c8cs00370j] [Citation(s) in RCA: 111] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Research activities and recent developments in the area of three-dimensional zeolites and their two-dimensional analogues are reviewed. Zeolites are the most important industrial heterogeneous catalysts with numerous applications. However, they suffer from limited pore sizes not allowing penetration of sterically demanding molecules to their channel systems and to active sites. We briefly highlight here the synthesis, properties and catalytic potential of three-dimensional zeolites followed by a discussion of hierarchical zeolites combining micro- and mesoporosity. The final part is devoted to two-dimensional analogues developed recently. Novel bottom-up and top-down synthetic approaches for two-dimensional zeolites, their properties, and catalytic performances are thoroughly discussed in this review.
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Affiliation(s)
- J Přech
- Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University, Hlavova 8, 128 43 Prague 2, Czech Republic
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Fu K, Wang J, Wang Y, Shao Y, Zhu J, Li T. Anionic polyelectrolytes in titanosilicate molecular sieve synthesis towards simultaneously accomplishing low production cost and high catalytic activity. RSC Adv 2018; 8:21363-21368. [PMID: 35539904 PMCID: PMC9080955 DOI: 10.1039/c8ra02621a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Accepted: 05/28/2018] [Indexed: 01/13/2023] Open
Abstract
Assisted by an anionic polyelectrolyte of poly(acrylic acid) (PAA), high-performance titanium silicalite-1 (TS-1) could be facilely synthesized at very low usage of expensive organic templates (tetrapropylammonium hydroxide). The presence of PAA helped to incorporate more active Ti species into the TS-1 framework and change the morphology to a plate-like shape, which was beneficial to molecular diffusion among its micropores to access the Ti active sites. Therefore, TS-1 synthesized with PAA showed much higher catalytic activity than that synthesized using the traditional synthesis without polyelectrolytes, and only a 30% usage amount of organic template was used. Moreover, this ultra-cheap catalyst also displayed a better catalytic activity than commercial TS-1 synthesized via a series of complicated preparation processes including alkene epoxidation with hydrogen peroxide as a green oxidant. Anionic polyelectrolytes can help to directly achieve low-cost, titanium-rich, diffusion restriction-free and 100%-yield titanium silicalite-1.![]()
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Affiliation(s)
- Kairui Fu
- Shandong Provincial Key Laboratory of Fine Chemicals, School of Chemistry and Pharmaceutical Engineering, Qilu University of Technology (Shandong Academy of Sciences) Jinan 250353 P. R. China
| | - Jingui Wang
- Shandong Provincial Key Laboratory of Fine Chemicals, School of Chemistry and Pharmaceutical Engineering, Qilu University of Technology (Shandong Academy of Sciences) Jinan 250353 P. R. China
| | - Yichen Wang
- Shandong Provincial Key Laboratory of Fine Chemicals, School of Chemistry and Pharmaceutical Engineering, Qilu University of Technology (Shandong Academy of Sciences) Jinan 250353 P. R. China
| | - Yuanchao Shao
- Shandong Provincial Key Laboratory of Fine Chemicals, School of Chemistry and Pharmaceutical Engineering, Qilu University of Technology (Shandong Academy of Sciences) Jinan 250353 P. R. China
| | - Jiaqi Zhu
- Shandong Provincial Key Laboratory of Fine Chemicals, School of Chemistry and Pharmaceutical Engineering, Qilu University of Technology (Shandong Academy of Sciences) Jinan 250353 P. R. China
| | - Tianduo Li
- Shandong Provincial Key Laboratory of Fine Chemicals, School of Chemistry and Pharmaceutical Engineering, Qilu University of Technology (Shandong Academy of Sciences) Jinan 250353 P. R. China
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