1
|
Jiang Y, Hao A, Zhan E, Beato P, Chen S, Fan F, Li C. Boron-incorporated nanosized SUZ-4 zeolite for DME carbonylation. Chem Commun (Camb) 2024; 60:5727-5730. [PMID: 38742283 DOI: 10.1039/d4cc00952e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
Boron-incorporated nanosized HB-SUZ-4 showcased a noteworthy 24% boost in dimethyl ether carbonylation, with an elevation in methyl acetate selectivity from 91.8% to 96.0%. The improved performance is attributed to shortened diffusion lengths along the 8-member ring channels, decreased Brønsted acidity in the 10-member ring channels, and Lewis acid sites stabilizing CO.
Collapse
Affiliation(s)
- Yiming Jiang
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Aijing Hao
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Ensheng Zhan
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Pablo Beato
- Topsoe A/S (HQ), DK-2800 Kongens Lyngby, Denmark
| | - Siyu Chen
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Fengtao Fan
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Can Li
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
- University of Chinese Academy of Sciences, Beijing, China
| |
Collapse
|
2
|
Yu H, Rojas A, Gao ZR, Gómez-Hortigüela L, Villaescusa LA, Li J, Paillaud JL, Camblor MA. 2-Isopropyl-1,3-dimethylimidazolium as a versatile structure-directing agent in the synthesis of zeolites. Dalton Trans 2023; 52:15697-15711. [PMID: 37791957 DOI: 10.1039/d3dt02414h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/05/2023]
Abstract
An organic cation lacking specificity in its structure-directing action offers the possibility, through the screening of other structure-directing parameters, to synthesize a variety of zeolites. In this work we show that the organic structure-directing agent 2-isopropyl-1,3-dimethylimidazolium (2iPr13DMI) can produce up to seven different zeolite phases depending on water concentration, the presence of inorganic impurities, crystallization temperature and time, and germanium molar fraction. The obtained phases are very different in terms of pore system, connectivity of the zeolite structure and structural units. At the pure SiO2 side, ZSM-12 and SSZ-35 dominate, with ZSM-12 being favored by the presence of potassium impurities and by less concentrated conditions. The introduction of Ge at low levels favors SSZ-35 over ZSM-12 and as the Ge fraction increases it successively affords CSV, -CLO and two distinct UOS zeolites, HPM-11 and HPM-6. These two zeolites have the same topology but distinct chemical compositions and display powder X-ray diffraction patterns that are much different from each other and from that of as-synthesized IM-16 (UOS reference material). They also show different symmetry at 96 K. Rietveld refinements of the three as-made UOS materials mentioned are provided. HPM-6 and HPM-11 are produced in distinct, non-adjacent crystallization fields. The frequent cocrystallization of the chiral STW zeolite, however, did not afford its synthesis as a pure phase. Molecular mechanics simulations of the location of the organic cation and host-guest interactions fail to explain the observed trends, but also considering the intrinsic stability of the zeolites and the effect of germanium help to rationalize the results. The study is completed by DFT calculations of the NMR chemical shifts of 13C in UOS (helping to understand splittings in the spectrum) and 19F in CSV (supporting the location of fluoride inside the new [4452], which is an incomplete double 4-ring).
Collapse
Affiliation(s)
- Huajian Yu
- Instituto de Ciencia de Materiales de Madrid (ICMM), Consejo Superior de Investigaciones Científicas (CSIC), Sor Juana Inés de la Cruz 3, 28049 Madrid, Spain.
| | - Alex Rojas
- Instituto de Ciencia de Materiales de Madrid (ICMM), Consejo Superior de Investigaciones Científicas (CSIC), Sor Juana Inés de la Cruz 3, 28049 Madrid, Spain.
- Instituto Federal de Educação Ciência e Tecnologia do Maranhão (IFMA), Programa de Pós-Graduação em Engenharia de Materiais (PPGEM), Av. Getúlio Vargas, Monte Castelo, São Luis, MA, Brazil
| | - Zihao Rei Gao
- Instituto de Ciencia de Materiales de Madrid (ICMM), Consejo Superior de Investigaciones Científicas (CSIC), Sor Juana Inés de la Cruz 3, 28049 Madrid, Spain.
| | - Luis Gómez-Hortigüela
- Instituto de Catálisis y Petroleoquímica, Consejo Superior de Investigaciones Científicas (ICP-CSIC), 28049 Madrid, Spain
| | - Luis A Villaescusa
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM); Departamento de Química, Universitat Politècnica de València (UPV); and CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Camino de Vera s/n, 46022 Valencia, Spain
| | - Jian Li
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210023, China
| | - Jean-Louis Paillaud
- Université de Haute-Alsace, Institut de Science des Matériaux de Mulhouse, UMR 7361, 15 rue Jean Starcky, 68100 Mulhouse, France
- Université de Strasbourg, 67000 Strasbourg, France
| | - Miguel A Camblor
- Instituto de Ciencia de Materiales de Madrid (ICMM), Consejo Superior de Investigaciones Científicas (CSIC), Sor Juana Inés de la Cruz 3, 28049 Madrid, Spain.
| |
Collapse
|
3
|
Velty A, Corma A. Advanced zeolite and ordered mesoporous silica-based catalysts for the conversion of CO 2 to chemicals and fuels. Chem Soc Rev 2023; 52:1773-1946. [PMID: 36786224 DOI: 10.1039/d2cs00456a] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
For many years, capturing, storing or sequestering CO2 from concentrated emission sources or from air has been a powerful technique for reducing atmospheric CO2. Moreover, the use of CO2 as a C1 building block to mitigate CO2 emissions and, at the same time, produce sustainable chemicals or fuels is a challenging and promising alternative to meet global demand for chemicals and energy. Hence, the chemical incorporation and conversion of CO2 into valuable chemicals has received much attention in the last decade, since CO2 is an abundant, inexpensive, nontoxic, nonflammable, and renewable one-carbon building block. Nevertheless, CO2 is the most oxidized form of carbon, thermodynamically the most stable form and kinetically inert. Consequently, the chemical conversion of CO2 requires highly reactive, rich-energy substrates, highly stable products to be formed or harder reaction conditions. The use of catalysts constitutes an important tool in the development of sustainable chemistry, since catalysts increase the rate of the reaction without modifying the overall standard Gibbs energy in the reaction. Therefore, special attention has been paid to catalysis, and in particular to heterogeneous catalysis because of its environmentally friendly and recyclable nature attributed to simple separation and recovery, as well as its applicability to continuous reactor operations. Focusing on heterogeneous catalysts, we decided to center on zeolite and ordered mesoporous materials due to their high thermal and chemical stability and versatility, which make them good candidates for the design and development of catalysts for CO2 conversion. In the present review, we analyze the state of the art in the last 25 years and the potential opportunities for using zeolite and OMS (ordered mesoporous silica) based materials to convert CO2 into valuable chemicals essential for our daily lives and fuels, and to pave the way towards reducing carbon footprint. In this review, we have compiled, to the best of our knowledge, the different reactions involving catalysts based on zeolites and OMS to convert CO2 into cyclic and dialkyl carbonates, acyclic carbamates, 2-oxazolidones, carboxylic acids, methanol, dimethylether, methane, higher alcohols (C2+OH), C2+ (gasoline, olefins and aromatics), syngas (RWGS, dry reforming of methane and alcohols), olefins (oxidative dehydrogenation of alkanes) and simple fuels by photoreduction. The use of advanced zeolite and OMS-based materials, and the development of new processes and technologies should provide a new impulse to boost the conversion of CO2 into chemicals and fuels.
Collapse
Affiliation(s)
- Alexandra Velty
- 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.
| |
Collapse
|
4
|
Li J, Gao M, Yan W, Yu J. Regulation of the Si/Al ratios and Al distributions of zeolites and their impact on properties. Chem Sci 2023; 14:1935-1959. [PMID: 36845940 PMCID: PMC9945477 DOI: 10.1039/d2sc06010h] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 12/27/2022] [Indexed: 12/29/2022] Open
Abstract
Zeolites are typically a class of crystalline microporous aluminosilicates that are constructed by SiO4 and AlO4 tetrahedra. Because of their unique porous structures, strong Brönsted acidity, molecular-level shape selectivity, exchangeable cations, and high thermal/hydrothermal stability, zeolites are widely used as catalysts, adsorbents, and ion-exchangers in industry. The activity, selectivity, and stability/durability of zeolites in applications are closely related to their Si/Al ratios and Al distributions in the framework. In this review, we discussed the basic principles and the state-of-the-art methodologies for regulating the Si/Al ratios and Al distributions of zeolites, including seed-assisted recipe modification, interzeolite transformation, fluoride media, and usage of organic structure-directing agents (OSDAs), etc. The conventional and newly developed characterization methods for determining the Si/Al ratios and Al distributions were summarized, which include X-ray fluorescence spectroscopy (XRF), solid state 29Si/27Al magic-angle-spinning nuclear magnetic resonance spectroscopy (29Si/27Al MAS NMR), Fourier-transform infrared spectroscopy (FT-IR), etc. The impact of Si/Al ratios and Al distributions on the catalysis, adsorption/separation, and ion-exchange performance of zeolites were subsequently demonstrated. Finally, we presented a perspective on the precise control of the Si/Al ratios and Al distributions of zeolites and the corresponding challenges.
Collapse
Affiliation(s)
- Jialiang Li
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University 2699 Qianjin Street Changchun 130012 China
| | - Mingkun Gao
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University 2699 Qianjin Street Changchun 130012 China
| | - Wenfu Yan
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University 2699 Qianjin Street Changchun 130012 China
| | - Jihong Yu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University 2699 Qianjin Street Changchun 130012 China .,International Center of Future Science, Jilin University 2699 Qianjin Street Changchun 130012 China
| |
Collapse
|
5
|
Bae J, Dusselier M. Synthesis strategies to control the Al distribution in zeolites: thermodynamic and kinetic aspects. Chem Commun (Camb) 2023; 59:852-867. [PMID: 36598011 DOI: 10.1039/d2cc05370e] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The activity and selectivity of acid-catalyzed chemistry is highly dependent on the Brønsted and Lewis acid sites generated by Al substitutions in a zeolite framework with the desired pore architecture. The siting of two Al atoms in close proximity in the framework of high-silica zeolites can also play a decisive role in improving the performance of redox catalysts by producing exchangeable positions for extra-framework multivalent cations. Thus, considerable attention has been devoted to controlling the Al incorporation through direct synthesis approaches and post-synthesis treatments to optimize the performance as (industrial) solid catalysts and to develop new acid- and redox-catalyzed reactions. This Feature Article highlights bottom-up synthetic strategies to fine-tune the Al incorporation in zeolites, interpreted with respect to thermodynamic and kinetic aspects. They include (i) variation in extra-framework components in zeolite synthesis, (ii) isomorphous substitution of other heteroatoms in the zeolite framework, and (iii) control over the (alumino)silicate network in the initial synthesis mixture via in situ and ex situ methods. Most synthetic approaches introduced here tentatively showed that the energy barriers associated with Al incorporation in zeolites can be variable during zeolite crystallization processes, occurring in complex media with multiple chemical interactions. Although the generic interpretation of each strategy and underlying crystallization mechanism remains largely unknown (and often limited to a specific framework), this review will provide guidance on more efficient methods to prepare fine-tuned zeolites with desired chemical properties.
Collapse
Affiliation(s)
- Juna Bae
- Center for Sustainable Catalysis and Engineering (CSCE), KU Leuven, Celestijnenlaan 200F, 3001 Leuven, Belgium.
| | - Michiel Dusselier
- Center for Sustainable Catalysis and Engineering (CSCE), KU Leuven, Celestijnenlaan 200F, 3001 Leuven, Belgium.
| |
Collapse
|
6
|
Efficient production of linear alkylbenzene by liquid alkylation between benzene and 1-dodecene over MWW zeolites. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
|
7
|
Hydrogenation of Carbon Dioxide to Value-Added Liquid Fuels and Aromatics over Fe-Based Catalysts Based on the Fischer–Tropsch Synthesis Route. ATMOSPHERE 2022. [DOI: 10.3390/atmos13081238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Hydrogenation of CO2 to value-added chemicals and fuels not only effectively alleviates climate change but also reduces over-dependence on fossil fuels. Therefore, much attention has been paid to the chemical conversion of CO2 to value-added products, such as liquid fuels and aromatics. Recently, efficient catalysts have been developed to face the challenge of the chemical inertness of CO2 and the difficulty of C–C coupling. Considering the lack of a detailed summary on hydrogenation of CO2 to liquid fuels and aromatics via the Fischer–Tropsch synthesis (FTS) route, we conducted a comprehensive and systematic review of the research progress on the development of efficient catalysts for hydrogenation of CO2 to liquid fuels and aromatics. In this work, we summarized the factors influencing the catalytic activity and stability of various catalysts, the strategies for optimizing catalytic performance and product distribution, the effects of reaction conditions on catalytic performance, and possible reaction mechanisms for CO2 hydrogenation via the FTS route. Furthermore, we also provided an overview of the challenges and opportunities for future research associated with hydrogenation of CO2 to liquid fuels and aromatics.
Collapse
|
8
|
Wang X, Li F, Ali A, Gu H, Fu H, Li Z, Lin H. Preparation of sodium silicate/red mud-based ZSM-5 with glucose as a second template for catalytic cracking of waste plastics into useful chemicals. RSC Adv 2022; 12:22161-22174. [PMID: 36043089 PMCID: PMC9364678 DOI: 10.1039/d2ra03541c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 07/25/2022] [Indexed: 11/21/2022] Open
Abstract
ZSM-5 was economically synthesized with red mud (RM) and industrial sodium silicate (ISS) in a tetrapropylammonium bromide (TPABr)-glucose dual-template system. The roles of glucose, Fe and Ca in RM on the formation of ZSM-5 were investigated. The catalytic performances of the resultant ZSM-5 were tested by cracking waste plastics. It was found that the formation of ZSM-5 was attributed to a synergistic effect between TPABr and glucose. The addition of glucose decreased the pH value in the crystallization solution and thus promoted the crystallization effect. Glucose acted as a hard template to generate mesopores. Fe atoms were partly distributed in the framework and partly adsorbed in the pores of ZSM-5, and helped to generate more Lewis acid sites. Ca atoms were mainly adsorbed in the pores of ZSM-5, and showed an inhibitory effect on the formation of zeolites. The synthesized ZSM-5 showed a weakly acidic and mesoporous structure and achieved an enhanced effect on producing gaseous products (gas yield: 85.3%), especially light olefins (C[double bond, length as m-dash] 2-4) (selectivity: 77.1%) from cracking of low density polyethylene at 500 °C. The long-term cracking experiment showed that the synthesized ZSM-5 is superior in converting waste plastics to light olefins (ethylene and propene) than the commercial ZSM-5.
Collapse
Affiliation(s)
- Xiaofeng Wang
- School of Chemistry and Chemical Engineering, Guangxi University Nanning 530004 People's Republic of China +86-771-3233718
| | - Fuwei Li
- School of Chemistry and Chemical Engineering, Guangxi University Nanning 530004 People's Republic of China +86-771-3233718
| | - Asad Ali
- School of Chemistry and Chemical Engineering, Guangxi University Nanning 530004 People's Republic of China +86-771-3233718
| | - Hengshuo Gu
- School of Chemistry and Chemical Engineering, Guangxi University Nanning 530004 People's Republic of China +86-771-3233718
| | - Hongbing Fu
- School of Chemistry and Chemical Engineering, Guangxi University Nanning 530004 People's Republic of China +86-771-3233718
| | - Zhixia Li
- School of Chemistry and Chemical Engineering, Guangxi University Nanning 530004 People's Republic of China +86-771-3233718
| | - Hongfei Lin
- Guangxi Bossco Environmental Protection Technology Co., Ltd Nanning 530007 People's Republic of China
| |
Collapse
|
9
|
He S, Wang S, Fan S, Luo L, Yuan K, Qin Z, Dong M, Wang J, Fan W. Improvement of the catalytic performance of ITQ-13 zeolite in methanol to olefins via Ce modification. Catal Today 2022. [DOI: 10.1016/j.cattod.2022.05.049] [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]
|
10
|
Li Y, Shi C, Li L, Yang G, Li J, Xu J, Gu Q, Wang X, Han J, Zhang T, Li Y, Yu J. Unraveling templated-regulated distribution of isolated SiO4 tetrahedra in silicoaluminophosphate zeolites with high-throughput computations. Natl Sci Rev 2022; 9:nwac094. [PMID: 36128458 PMCID: PMC9477200 DOI: 10.1093/nsr/nwac094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 04/29/2022] [Accepted: 05/05/2022] [Indexed: 11/12/2022] Open
Abstract
Silicoaluminophosphate (SAPO) zeolites are well-known catalytic materials because of the mild acidity originating from the isolated SiO4 tetrahedra in their frameworks. Regulating the distribution of isolated SiO4 tetrahedra in SAPO zeolites is formidably challenging because SiO4 tetrahedra tend to agglomerate to form Si islands and the isolated SiO4 tetrahedra are difficult to determine using conventional characterization techniques. Here we synthesized Si-island-free SAPO-35 zeolites by using N-methylpiperidine as a new template, which exhibited excellent thermal stability compared to conventional SAPO-35 zeolites and a substantially improved methanol-to-olefins catalytic lifetime even comparable to that of commercial SAPO-34 zeolites. More strikingly, with the aid of high-throughput computations on 44 697 structure models combined with various state-of-the-art characterization techniques, for the first time, we reveal that the host–guest interactions between template molecules and SAPO frameworks determine the specific distributions of isolated SiO4 tetrahedra, which are responsible for the improvement in the chemical properties of zeolites. Our work provides an insight into the template-based regulation of isolated SiO4 tetrahedra in SAPO zeolites, which opens a new avenue in the discovery of promising zeolite catalysts with optimal SiO4 distribution.
Collapse
Affiliation(s)
- Yan Li
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun130012, China
| | - Chao Shi
- School of Textile and Clothing, Yancheng Institute of Technology, Yancheng224000, China
| | - Lin Li
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun130012, China
| | - Guoju Yang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun130012, China
| | - Junyan Li
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun130012, China
| | - Jun Xu
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan430071, China
| | - Qinfen Gu
- Australian Synchrotron, Clayton3168, Australia
| | - Xingxing Wang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun130012, China
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan430071, China
| | - Ji Han
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun130012, China
| | - Tianjun Zhang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun130012, China
| | - Yi Li
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun130012, China
- International Center of Future Science, Jilin University, Changchun130012, China
| | - Jihong Yu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun130012, China
- International Center of Future Science, Jilin University, Changchun130012, China
| |
Collapse
|
11
|
Ma Y, Wang L, Chen L, Shen M, Yang X, Wang T, yuan F, Zhou Y, Wang J, Zhu H. Anchoring Boron Atom to the Specific Tetrahedral Sites of Borosilicate MFI by Imidazolium-based Molecules. CrystEngComm 2022. [DOI: 10.1039/d1ce01686e] [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
Regulating heteroatom substituted tetrahedral sites (T sites) within a zeolite crystal significantly influences the zeolite properties. Herein, the as-synthesized MFI zeolite with tailored boron location at various T sites is...
Collapse
|
12
|
Liang T, Chen J, Wang S, Wang P, Qin Z, Jin F, Dong M, Wang J, Fan W. Conversion of methanol to hydrocarbons over H-MCM-22 zeolite: deactivation behaviours related to acid density and distribution. Catal Sci Technol 2022. [DOI: 10.1039/d2cy01270g] [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
The deactivation of H-MCM-22 zeolites with different Si/Al ratios can be roughly divided into three stages: first the rapid deactivation of the supercages, the second reaction with slow coking and the deactivation stage with rapid coking mainly on the external pockets.
Collapse
Affiliation(s)
- Tingyu Liang
- Key Laboratory for Green Chemical Process of Ministry of Education, and, Hubei Key Laboratory of Novel Reactor & Green Chemical Technology, School of Chemical Engineering & Pharmacy, Wuhan Institute of Technology, Wuhan 430205, China
| | - Jialing Chen
- Key Laboratory of Hubei Province for Coal Conversion and New Carbon Materials, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China
| | - Sen Wang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan, Shanxi 030001, PR China
| | - Pengfei Wang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan, Shanxi 030001, PR China
| | - Zhangfeng Qin
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan, Shanxi 030001, PR China
| | - Fang Jin
- Key Laboratory for Green Chemical Process of Ministry of Education, and, Hubei Key Laboratory of Novel Reactor & Green Chemical Technology, School of Chemical Engineering & Pharmacy, Wuhan Institute of Technology, Wuhan 430205, China
| | - Mei Dong
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan, Shanxi 030001, PR China
| | - Jianguo Wang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan, Shanxi 030001, PR China
| | - Weibin Fan
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan, Shanxi 030001, PR China
| |
Collapse
|
13
|
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]
|
14
|
Hadi N, Farzi A. A review on reaction mechanisms and catalysts of methanol to olefins process. CHEM ENG COMMUN 2021. [DOI: 10.1080/00986445.2021.1983547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Naser Hadi
- Faculty of Chemical and Petroleum Engineering, University of Tabriz, Tabriz, Iran
| | - Ali Farzi
- Faculty of Chemical and Petroleum Engineering, University of Tabriz, Tabriz, Iran
| |
Collapse
|
15
|
Wang S, Li Z, Qin Z, Dong M, Li J, Fan W, Wang J. Catalytic roles of the acid sites in different pore channels of H-ZSM-5 zeolite for methanol-to-olefins conversion. CHINESE JOURNAL OF CATALYSIS 2021. [DOI: 10.1016/s1872-2067(20)63732-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
16
|
Chen Z, Liu S, Zhang H, He P, Ren J, Wen X, Li YW. Selective regulation of n-dodecane isomerization and cracking performance in Pt/beta catalysts via orientation control of Brønsted acid site distribution. Catal Sci Technol 2021. [DOI: 10.1039/d0cy02088e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The isomerization and cracking performance of n-dodecane have been successfully regulated by the orientation control of Brønsted acid site distribution in Beta zeolites.
Collapse
Affiliation(s)
- Zhiqiang Chen
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry, Chinese Academy of Sciences
- Taiyuan 030001
- PR China
- University of Chinese Academy of Sciences
| | - Suyao Liu
- National Energy Research Center for Clean Fuels
- Synfuels China Co., Ltd
- Beijing 101400
- PR China
| | - Huaike Zhang
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry, Chinese Academy of Sciences
- Taiyuan 030001
- PR China
- National Energy Research Center for Clean Fuels
| | - Peng He
- National Energy Research Center for Clean Fuels
- Synfuels China Co., Ltd
- Beijing 101400
- PR China
| | - Jie Ren
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry, Chinese Academy of Sciences
- Taiyuan 030001
- PR China
- National Energy Research Center for Clean Fuels
| | - Xiaodong Wen
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry, Chinese Academy of Sciences
- Taiyuan 030001
- PR China
- National Energy Research Center for Clean Fuels
| | - Yong-Wang Li
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry, Chinese Academy of Sciences
- Taiyuan 030001
- PR China
- National Energy Research Center for Clean Fuels
| |
Collapse
|
17
|
Lv W, Wang S, Wang P, Liu Y, Huang Z, Li J, Dong M, Wang J, Fan W. Regulation of Al distributions and Cu2+ locations in SSZ-13 zeolites for NH3-SCR of NO by different alkali metal cations. J Catal 2021. [DOI: 10.1016/j.jcat.2020.11.027] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
18
|
Bao S, Guo M, Liu B, Feng B, Yin D, Jiang B, Zhao H. Effect of P sources on the phosphorus modified MCM-22 for n-hexane catalytic cracking. REACTION KINETICS MECHANISMS AND CATALYSIS 2020. [DOI: 10.1007/s11144-020-01903-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
|
19
|
|
20
|
Chen J, Peng G, Liang T, Zhang W, Zheng W, Zhao H, Guo L, Wu X. Catalytic Performances of Cu/MCM-22 Zeolites with Different Cu Loadings in NH 3-SCR. NANOMATERIALS 2020; 10:nano10112170. [PMID: 33143192 PMCID: PMC7694057 DOI: 10.3390/nano10112170] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 10/24/2020] [Accepted: 10/27/2020] [Indexed: 11/16/2022]
Abstract
The NH3-SCR activities and hydrothermal stabilities of five xCu/MCM-22 zeolites with different Cu loadings (x = 2–10 wt%) prepared by incipient wetness impregnation method were systematically investigated. The physicochemical properties of xCu/MCM-22 zeolites were analyzed by XRD, nitrogen physisorption, ICP-AES, SEM, NH3-TPD, UV-vis, H2-TPR and XPS experiments. The Cu species existing in xCu/MCM-22 are mainly isolated Cu2+, CuOx and unreducible copper species. The concentrations of both isolated Cu2+ and CuOx species in xCu/MCM-22 increase with Cu contents, but the increment of CuOx species is more distinct, especially in high Cu loadings (>4 wt%). NH3-SCR experimental results demonstrated that the activity of xCu/MCM-22 is sensitive to Cu content at low Cu loadings (≤4 wt%). When the Cu loading exceeds 4 wt%, the NH3-SCR activity of xCu/MCM-22 is irrelevant to Cu content due to the severe pore blockage effects caused by aggregated CuOx species. Among the five xCu/MCM-22 zeolites, 4Cu/MCM-22 with moderate Cu content has the best NH3-SCR performance, which displays higher than 80% NOx conversions in a wide temperature window (160–430 °C). Furthermore, the hydrothermal aging experiments (xCu/MCM-22 was treated at 750 °C for 10 h under 10% water vapor atmosphere) illustrated that all the xCu/MCM-22 zeolites exhibit high hydrothermal stability in NH3-SCR reactions.
Collapse
Affiliation(s)
- Jialing Chen
- Key Laboratory of Hubei Province for Coal Conversion and New Carbon Materials, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China; (G.P.); (W.Z.); (W.Z.); (H.Z.)
- Correspondence: (J.C.); (L.G.); (X.W.)
| | - Gang Peng
- Key Laboratory of Hubei Province for Coal Conversion and New Carbon Materials, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China; (G.P.); (W.Z.); (W.Z.); (H.Z.)
| | - Tingyu Liang
- Key Laboratory for Green Chemical Process of Ministry of Education, and Hubei Key Laboratory of Novel Reactor & Green Chemical Technology, School of Chemical Engineering & Pharmacy, Wuhan Institute of Technology, Wuhan 430205, China;
| | - Wenbo Zhang
- Key Laboratory of Hubei Province for Coal Conversion and New Carbon Materials, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China; (G.P.); (W.Z.); (W.Z.); (H.Z.)
| | - Wei Zheng
- Key Laboratory of Hubei Province for Coal Conversion and New Carbon Materials, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China; (G.P.); (W.Z.); (W.Z.); (H.Z.)
| | - Haoran Zhao
- Key Laboratory of Hubei Province for Coal Conversion and New Carbon Materials, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China; (G.P.); (W.Z.); (W.Z.); (H.Z.)
| | - Li Guo
- Key Laboratory of Hubei Province for Coal Conversion and New Carbon Materials, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China; (G.P.); (W.Z.); (W.Z.); (H.Z.)
- Correspondence: (J.C.); (L.G.); (X.W.)
| | - Xiaoqin Wu
- Key Laboratory of Hubei Province for Coal Conversion and New Carbon Materials, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China; (G.P.); (W.Z.); (W.Z.); (H.Z.)
- Correspondence: (J.C.); (L.G.); (X.W.)
| |
Collapse
|
21
|
Beheshti MS, Ahmadpour J, Behzad M, Arabi H. Preparation of hierarchical H-[B]-ZSM-5 zeolites by a desilication method as a highly selective catalyst for conversion of methanol to propylene. BRAZILIAN JOURNAL OF CHEMICAL ENGINEERING 2020. [DOI: 10.1007/s43153-020-00075-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
|
22
|
Modification of MCM-22 Zeolite and Its Derivatives with Iron for the Application in N2O Decomposition. Catalysts 2020. [DOI: 10.3390/catal10101139] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Layered 2D zeolite MCM-22 and its delaminated derivative, ITQ-2, were modified with iron, by different methods (ion-exchange and direct synthesis), and with the use of different precursors (FeSO4∙7H2O, Fe(NO3)3∙9H2O, and [Fe3(OCOCH3)7∙OH∙2H2O]NO3 oligocations. The applied modifications were aimed at optimization of iron form in the samples (aggregation, amount, location, and reducibility), in order to achieve the highest catalytic activity in the N2O decomposition. The synthesis of the samples was verified with the use of XRD (X-Ray Diffraction), N2-sorption and ICP-OES (Inductively Coupled Plasma Optical Emission Spectroscopy) techniques, while the form of iron in the samples was investigated by UV–vis-DRS (UV–vis diffuse reflectance spectroscopy), H2-TPR (Hydrogen Temperature-Programmed Reduction) and HRTEM (High-Resolution Transmission Electron Microscopy). The highest activity in the N2O decomposition presented the sample Fe(O,IE)MCM-22, prepared by ion-exchange of MCM-22 with Fe3(III) oligocations. This activity was related to the oligomeric FexOy species (the main form of iron in the sample) and the higher loading of active species (in comparison to the modification with FeSO4∙7H2O).
Collapse
|
23
|
Rodríguez-Fernández A, Di Iorio JR, Paris C, Boronat M, Corma A, Román-Leshkov Y, Moliner M. Selective active site placement in Lewis acid zeolites and implications for catalysis of oxygenated compounds. Chem Sci 2020; 11:10225-10235. [PMID: 34094288 PMCID: PMC8162407 DOI: 10.1039/d0sc03809a] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022] Open
Abstract
The selective incorporation of isolated framework Lewis acid sites at specific crystallographic positions in high-silica zeolites was achieved by applying a rationalized post-synthetic grafting methodology. The removal of framework Ge atoms from a Ge-BEC zeolite with low concentrations of Ge in the framework (Si/Ge ∼ 150) followed by grafting allows the synthesis of Sn-BEC zeolites with Sn atoms positionally biased into the double-4-ring (D4R) crystallographic positions of the BEC framework. Spectroscopic characterization using solid-state nuclear magnetic resonance (NMR) coupled with theoretical calculations revealed that Sn atoms preferentially form open Sn sites in the D4R of Sn-BEC. This observation was supported by IR spectra of adsorbed deuterated acetonitrile (CD3CN), a known titrant of Sn sites in zeolites. The catalytic implications of selective incorporation of open Sn sites in Sn-BEC were probed using the Meerwein–Ponndorf–Verley–Oppenauer (MPVO) reaction. Although the MPVO turnover rates normalized by the total number of open Sn sites were comparable on Sn-BEC and a conventional Sn-Beta catalyst synthesized in fluoride media (Sn-Beta(F)), Sn-BEC demonstrated higher per gram reaction rates because of its larger fraction of open sites compared to Sn-Beta(F). These results highlight the advantage of placing active sites in targeted locations within a zeolite structure. The methodology presented here to selectively place catalytic active sites via sacrificial heteroatoms, such as Ge, can be generalized for the design of many other tetrahedrally-coordinated metal-containing zeolites. The selective incorporation of isolated framework Lewis acid sites in specific crystallographic positions in high-silica zeolites was achieved successfully by applying a rationalized post-synthetic grafting methodology.![]()
Collapse
Affiliation(s)
- Aída Rodríguez-Fernández
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas Avenida de los Naranjos s/n 46022 València Spain
| | - John R Di Iorio
- Department of Chemical Engineering, Massachusetts Institute of Technology 77 Massachusetts Ave Cambridge MA 02139 USA
| | - Cecilia Paris
- 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
| | - Avelino Corma
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas Avenida de los Naranjos s/n 46022 València Spain
| | - Yuriy Román-Leshkov
- Department of Chemical Engineering, Massachusetts Institute of Technology 77 Massachusetts Ave Cambridge MA 02139 USA
| | - Manuel Moliner
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas Avenida de los Naranjos s/n 46022 València Spain
| |
Collapse
|
24
|
Perpendicular intergrowth ZSM-5 plates with shortened 10-MR pores. CHINESE JOURNAL OF CATALYSIS 2020. [DOI: 10.1016/s1872-2067(20)63573-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
|
25
|
Li D, Wang Y, Wang C, Li S. Research on the Wear Behavior of the Fixed Cone Liner of a Cone Crusher Based on the Discrete Element Method. ACS OMEGA 2020; 5:11186-11195. [PMID: 32455242 PMCID: PMC7241016 DOI: 10.1021/acsomega.0c01272] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Accepted: 04/23/2020] [Indexed: 06/11/2023]
Abstract
Taking reducing the wear of the fixed cone liner of a cone crusher as the starting point, the movement and geometry parameters of the cone crusher are studied using the discrete element method. To improve the service life and working efficiency of the whole cone crusher. The UG model and discrete element Yade model of the cone crusher are established, and the different shapes of the tin ore are represented using Yade's preprocessor through eight different ways of particle combination and superposition. The static friction coefficient between the manganese ore and the cone crusher is studied and calibrated using the slope method. The relative error between the Yade and test results is 1.58%, and the calibration result is 0.44. The repose angle of the manganese ore is studied using the collapse method. The repose angle increases with the increase of the static friction coefficient and the dynamic friction coefficient, but the change trend is different. The effect of the dynamic friction coefficient on the repose angle is obviously greater than that of the static friction coefficient. The dynamic friction coefficient obtained by Yade is 0.042. Taking the swing distance, rotating speed, and bottom angle of the fixed cone as the orthogonal experimental factors of Yade, the regression equation of the fixed cone liner was obtained through the nonlinear processing of SPSS 25.0. According to Matlab R2017b, the influences of the swinging distance, rotating speed, and bottom angle of the fixed cone on the fixed cone liner are obtained. According to Yade's research results, the order of the influence degree of liner wear is: the rotating speed of moving cone, the swinging distance of the fixed cone, and the base angle of fixed rotation. When the swinging distance of the fixed cone is 146 mm, the rotating speed of the moving cone is 198 rpm, the fixed rotation bottom angle is 28°, and the minimum value of the liner wear is 23 mm. Yade's results are consistent with the change trend of the wear amount of the bushing obtained from the test. The research results show the correctness of using the Yade method to study the wear of the fixed cone liner of a cone crusher, which provides a theoretical basis for reducing the wear of the fixed cone liner of a cone crusher, and puts forward a new method to study the wear of relevant parts of a fixed cone crusher. At the same time, the research results are of great significance for achieving energy-saving in mining enterprises.
Collapse
Affiliation(s)
- Dasheng Li
- School
of Mechanical and Vehicular Engineering, Bengbu University, Bengbu, Anhui 233030, China
| | - Yonghai Wang
- Chankoo
Mechanical and Electrical Technology (Shanghai) Co. Ltd, Shanghai 201199, China
| | - Chao Wang
- School
of Computer Science and Technology, Xidian
University, Xi’an, Shaanxi 710071, China
| | - Sehui Li
- Shanghai
Digital Design and Research Institute, Shanghai 200082, China
| |
Collapse
|
26
|
Altvater NR, Dorn RW, Cendejas MC, McDermott WP, Thomas B, Rossini AJ, Hermans I. B-MWW Zeolite: The Case Against Single-Site Catalysis. Angew Chem Int Ed Engl 2020; 59:6546-6550. [PMID: 32026560 DOI: 10.1002/anie.201914696] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2019] [Revised: 01/13/2020] [Indexed: 11/12/2022]
Abstract
Boron-containing materials have recently been identified as highly selective catalysts for the oxidative dehydrogenation (ODH) of alkanes to olefins. It has previously been demonstrated by several spectroscopic characterization techniques that the surface of these boron-containing ODH catalysts oxidize and hydrolyze under reaction conditions, forming an amorphous B2 (OH)x O(3-x/2) (x=0-6) layer. Yet, the precise nature of the active site(s) remains elusive. In this Communication, we provide a detailed characterization of zeolite MCM-22 isomorphously substituted with boron (B-MWW). Using 11 B solid-state NMR spectroscopy, we show that the majority of boron species in B-MWW exist as isolated BO3 units, fully incorporated into the zeolite framework. However, this material shows no catalytic activity for ODH of propane to propene. The catalytic inactivity of B-MWW for ODH of propane falsifies the hypothesis that site-isolated BO3 units are the active site in boron-based catalysts. This observation is at odds with other traditionally studied catalysts like vanadium-based catalysts and provides an important piece of the mechanistic puzzle.
Collapse
Affiliation(s)
- Natalie R Altvater
- Department of Chemical and Biological Engineering, University of Madison - Wisconsin, 1415 Engineering Drive, Madison, WI, 53706, USA
| | - Rick W Dorn
- Department of Chemistry, Iowa State University, 2438 Pammel Dr., Ames, IA, 50011, USA.,U.S. Department of Energy, Ames Laboratory, 311 Iowa State University, Ames, IA, 50011, USA
| | - Melissa C Cendejas
- Department of Chemistry, University of Wisconsin - Madison, 1101 University Avenue, Madison, WI, 53706, USA
| | - William P McDermott
- Department of Chemistry, University of Wisconsin - Madison, 1101 University Avenue, Madison, WI, 53706, USA
| | - Brijith Thomas
- Department of Chemistry, Iowa State University, 2438 Pammel Dr., Ames, IA, 50011, USA
| | - Aaron J Rossini
- Department of Chemistry, Iowa State University, 2438 Pammel Dr., Ames, IA, 50011, USA.,U.S. Department of Energy, Ames Laboratory, 311 Iowa State University, Ames, IA, 50011, USA
| | - Ive Hermans
- Department of Chemical and Biological Engineering, University of Madison - Wisconsin, 1415 Engineering Drive, Madison, WI, 53706, USA.,Department of Chemistry, University of Wisconsin - Madison, 1101 University Avenue, Madison, WI, 53706, USA
| |
Collapse
|
27
|
Altvater NR, Dorn RW, Cendejas MC, McDermott WP, Thomas B, Rossini AJ, Hermans I. B‐MWW Zeolite: The Case Against Single‐Site Catalysis. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201914696] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Natalie R. Altvater
- Department of Chemical and Biological Engineering University of Madison – Wisconsin 1415 Engineering Drive Madison WI 53706 USA
| | - Rick W. Dorn
- Department of Chemistry Iowa State University 2438 Pammel Dr. Ames IA 50011 USA
- U.S. Department of Energy Ames Laboratory 311 Iowa State University Ames IA 50011 USA
| | - Melissa C. Cendejas
- Department of Chemistry University of Wisconsin – Madison 1101 University Avenue Madison WI 53706 USA
| | - William P. McDermott
- Department of Chemistry University of Wisconsin – Madison 1101 University Avenue Madison WI 53706 USA
| | - Brijith Thomas
- Department of Chemistry Iowa State University 2438 Pammel Dr. Ames IA 50011 USA
| | - Aaron J. Rossini
- Department of Chemistry Iowa State University 2438 Pammel Dr. Ames IA 50011 USA
- U.S. Department of Energy Ames Laboratory 311 Iowa State University Ames IA 50011 USA
| | - Ive Hermans
- Department of Chemical and Biological Engineering University of Madison – Wisconsin 1415 Engineering Drive Madison WI 53706 USA
- Department of Chemistry University of Wisconsin – Madison 1101 University Avenue Madison WI 53706 USA
| |
Collapse
|
28
|
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.
Collapse
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
| |
Collapse
|
29
|
Balyan S, Haider MA, Khan TS, Pant KK. Boric acid treated HZSM-5 for improved catalyst activity in non-oxidative methane dehydroaromatization. Catal Sci Technol 2020. [DOI: 10.1039/d0cy00286k] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The dehydroaromatization (DHA) reaction of methane under non-oxidative conditions is carried out over a molybdenum catalyst supported on HZSM-5 and boric acid (BA) treated HZSM-5 at 700 °C and atmospheric pressure.
Collapse
Affiliation(s)
- Sonit Balyan
- Catalytic Reaction Engineering Lab
- Department of Chemical Engineering
- Indian Institute of Technology Delhi
- New Delhi
- India
| | - M. Ali Haider
- Renewable Energy and Chemicals Lab
- Department of Chemical Engineering
- Indian Institute of Technology Delhi
- New Delhi
- India
| | - Tuhin S. Khan
- Renewable Energy and Chemicals Lab
- Department of Chemical Engineering
- Indian Institute of Technology Delhi
- New Delhi
- India
| | - K. K. Pant
- Catalytic Reaction Engineering Lab
- Department of Chemical Engineering
- Indian Institute of Technology Delhi
- New Delhi
- India
| |
Collapse
|
30
|
Zhang L, Wang S, Shi D, Qin Z, Wang P, Wang G, Li J, Dong M, Fan W, Wang J. Methanol to olefins over H-RUB-13 zeolite: regulation of framework aluminum siting and acid density and their relationship to the catalytic performance. Catal Sci Technol 2020. [DOI: 10.1039/c9cy02419k] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Incorporating boron promotes siting of more aluminum atoms at the sites accessible to MTO and then enhances the catalytic performance of H-RUB-13 in MTO.
Collapse
Affiliation(s)
- Li Zhang
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry, Chinese Academy of Sciences
- Taiyuan
- PR China
- University of the Chinese Academy of Sciences
| | - Sen Wang
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry, Chinese Academy of Sciences
- Taiyuan
- PR China
| | - Dezhi Shi
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry, Chinese Academy of Sciences
- Taiyuan
- PR China
- University of the Chinese Academy of Sciences
| | - Zhangfeng Qin
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry, Chinese Academy of Sciences
- Taiyuan
- PR China
| | - Pengfei Wang
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry, Chinese Academy of Sciences
- Taiyuan
- PR China
| | - Guofu Wang
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry, Chinese Academy of Sciences
- Taiyuan
- PR China
| | - Junfen Li
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry, Chinese Academy of Sciences
- Taiyuan
- PR China
| | - Mei Dong
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry, Chinese Academy of Sciences
- Taiyuan
- PR China
| | - Weibin Fan
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry, Chinese Academy of Sciences
- Taiyuan
- PR China
| | - Jianguo Wang
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry, Chinese Academy of Sciences
- Taiyuan
- PR China
- University of the Chinese Academy of Sciences
| |
Collapse
|
31
|
Chen J, Peng G, Zheng W, Zhang W, Guo L, Wu X. Excellent performance of one-pot synthesized Fe-containing MCM-22 zeolites for the selective catalytic reduction of NOx with NH3. Catal Sci Technol 2020. [DOI: 10.1039/d0cy00989j] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
One-pot synthesized OP-Fe/M22 zeolites exhibit excellent performances in NH3-SCR reactions.
Collapse
Affiliation(s)
- Jialing Chen
- Key Laboratory of Hubei Province for Coal Conversion and New Carbon Materials
- School of Chemistry and Chemical Engineering
- Wuhan University of Science and Technology
- Wuhan 430081
- China
| | - Gang Peng
- Key Laboratory of Hubei Province for Coal Conversion and New Carbon Materials
- School of Chemistry and Chemical Engineering
- Wuhan University of Science and Technology
- Wuhan 430081
- China
| | - Wei Zheng
- Key Laboratory of Hubei Province for Coal Conversion and New Carbon Materials
- School of Chemistry and Chemical Engineering
- Wuhan University of Science and Technology
- Wuhan 430081
- China
| | - Wenbo Zhang
- Key Laboratory of Hubei Province for Coal Conversion and New Carbon Materials
- School of Chemistry and Chemical Engineering
- Wuhan University of Science and Technology
- Wuhan 430081
- China
| | - Li Guo
- Key Laboratory of Hubei Province for Coal Conversion and New Carbon Materials
- School of Chemistry and Chemical Engineering
- Wuhan University of Science and Technology
- Wuhan 430081
- China
| | - Xiaoqing Wu
- Key Laboratory of Hubei Province for Coal Conversion and New Carbon Materials
- School of Chemistry and Chemical Engineering
- Wuhan University of Science and Technology
- Wuhan 430081
- China
| |
Collapse
|
32
|
Cho HJ, Kim D, Li S, Su D, Ma D, Xu B. Molecular-Level Proximity of Metal and Acid Sites in Zeolite-Encapsulated Pt Nanoparticles for Selective Multistep Tandem Catalysis. ACS Catal 2019. [DOI: 10.1021/acscatal.9b03842] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Hong Je Cho
- Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, United States
| | - Doyoung Kim
- Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, United States
| | - Shuang Li
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Dong Su
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Ding Ma
- College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Bingjun Xu
- Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, United States
| |
Collapse
|
33
|
Wang S, Zhang L, Li S, Qin Z, Shi D, He S, Yuan K, Wang P, Zhao TS, Fan S, Dong M, Li J, Fan W, Wang J. Tuning the siting of aluminum in ZSM-11 zeolite and regulating its catalytic performance in the conversion of methanol to olefins. J Catal 2019. [DOI: 10.1016/j.jcat.2019.07.028] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
34
|
Hur YG, Kester PM, Nimlos CT, Cho Y, Miller JT, Gounder R. Influence of Tetrapropylammonium and Ethylenediamine Structure-Directing Agents on the Framework Al Distribution in B–Al–MFI Zeolites. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b01726] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Young Gul Hur
- Charles D. Davidson School of Chemical Engineering, Purdue University, 480 Stadium Mall Drive, West Lafayette, Indiana 47906, United States
| | - Philip M. Kester
- Charles D. Davidson School of Chemical Engineering, Purdue University, 480 Stadium Mall Drive, West Lafayette, Indiana 47906, United States
| | - Claire T. Nimlos
- Charles D. Davidson School of Chemical Engineering, Purdue University, 480 Stadium Mall Drive, West Lafayette, Indiana 47906, United States
| | - YoonRae Cho
- Charles D. Davidson School of Chemical Engineering, Purdue University, 480 Stadium Mall Drive, West Lafayette, Indiana 47906, United States
| | - Jeffrey T. Miller
- Charles D. Davidson School of Chemical Engineering, Purdue University, 480 Stadium Mall Drive, West Lafayette, Indiana 47906, United States
| | - Rajamani Gounder
- Charles D. Davidson School of Chemical Engineering, Purdue University, 480 Stadium Mall Drive, West Lafayette, Indiana 47906, United States
| |
Collapse
|
35
|
Zhou Y, Kadam SA, Shamzhy M, Čejka J, Opanasenko M. Isoreticular UTL-Derived Zeolites as Model Materials for Probing Pore Size–Activity Relationship. ACS Catal 2019. [DOI: 10.1021/acscatal.9b00950] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yong Zhou
- Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University in Prague, Hlavova 8, 128 43 Prague 2 Czech Republic
| | - Shashikant A. Kadam
- Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University in Prague, Hlavova 8, 128 43 Prague 2 Czech Republic
| | - Mariya Shamzhy
- 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
| | - Maksym Opanasenko
- Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University in Prague, Hlavova 8, 128 43 Prague 2 Czech Republic
| |
Collapse
|
36
|
Wang S, He Y, Jiao W, Wang J, Fan W. Recent experimental and theoretical studies on Al siting/acid site distribution in zeolite framework. Curr Opin Chem Eng 2019. [DOI: 10.1016/j.coche.2019.04.002] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
|
37
|
Kim S, Park G, Woo MH, Kwak G, Kim SK. Control of Hierarchical Structure and Framework-Al Distribution of ZSM-5 via Adjusting Crystallization Temperature and Their Effects on Methanol Conversion. ACS Catal 2019. [DOI: 10.1021/acscatal.8b04493] [Citation(s) in RCA: 68] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Sungtak Kim
- Energy & Environmental Research Team, Institute for Advanced Engineering (IAE), Yongin-Si, Gyeonggi-do 17180, Republic of Korea
| | - Gyungah Park
- C1 Gas Separation & Conversion Research Center, Korea Research Institute of Chemical Technology (KRICT), Daejeon 34114, Republic of Korea
| | - Min Hee Woo
- C1 Gas Separation & Conversion Research Center, Korea Research Institute of Chemical Technology (KRICT), Daejeon 34114, Republic of Korea
| | - Geunjae Kwak
- C1 Gas Separation & Conversion Research Center, Korea Research Institute of Chemical Technology (KRICT), Daejeon 34114, Republic of Korea
- Advanced Materials and Chemical Engineering, University of Science & Technology, Daejeon 34113, Republic of Korea
| | - Seok Ki Kim
- C1 Gas Separation & Conversion Research Center, Korea Research Institute of Chemical Technology (KRICT), Daejeon 34114, Republic of Korea
- Advanced Materials and Chemical Engineering, University of Science & Technology, Daejeon 34113, Republic of Korea
| |
Collapse
|
38
|
Li J, Liu M, Li S, Guo X, Song C. Influence of Diffusion and Acid Properties on Methane and Propane Selectivity in Methanol-to-Olefins Reaction. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.8b03969] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Junjie Li
- State Key Laboratory of Fine Chemicals, PSU-DUT Joint Center for Energy Research, School of Chemical 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, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, P. R. China
| | - Shanshan Li
- State Key Laboratory of Fine Chemicals, PSU-DUT Joint Center for Energy Research, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, P. R. China
| | - Xinwen Guo
- State Key Laboratory of Fine Chemicals, PSU-DUT Joint Center for Energy Research, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, P. R. China
| | - Chunshan Song
- State Key Laboratory of Fine Chemicals, PSU-DUT Joint Center for Energy Research, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, P. R. China
- Department of Energy and Mineral Engineering, EMS Energy Institute, PSU-DUT Joint Center for Energy Research, Pennsylvania State University, University Park, Pennsylvania 16802, United States
| |
Collapse
|
39
|
Zhai Y, Zhang S, Shang Y, Song Y, Wang W, Ma T, Zhang L, Gong Y, Xu J, Deng F. Boosting the turnover number of core–shell Al-ZSM-5@B-ZSM-5 zeolite for methanol to propylene reaction by modulating its gradient acid site distribution and low consumption diffusion. Catal Sci Technol 2019. [DOI: 10.1039/c8cy02177e] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Hierarchical Al-ZSM-5@B-ZSM-5 core–shell zeolite was prepared to boost turnover number of MTP reaction.
Collapse
Affiliation(s)
- Yanliang Zhai
- State Key Laboratory of Heavy Oil Processing and the Key Laboratory of Catalysis of CNPC
- China University of Petroleum
- Beijing 102249
- China
| | - Shaolong Zhang
- State Key Laboratory of Heavy Oil Processing and the Key Laboratory of Catalysis of CNPC
- China University of Petroleum
- Beijing 102249
- China
| | - Yunshan Shang
- State Key Laboratory of Heavy Oil Processing and the Key Laboratory of Catalysis of CNPC
- China University of Petroleum
- Beijing 102249
- China
| | - Yu Song
- State Key Laboratory of Heavy Oil Processing and the Key Laboratory of Catalysis of CNPC
- China University of Petroleum
- Beijing 102249
- China
| | - Wenxuan Wang
- State Key Laboratory of Heavy Oil Processing and the Key Laboratory of Catalysis of CNPC
- China University of Petroleum
- Beijing 102249
- China
| | - Tong Ma
- State Key Laboratory of Heavy Oil Processing and the Key Laboratory of Catalysis of CNPC
- China University of Petroleum
- Beijing 102249
- China
| | - Luoming Zhang
- State Key Laboratory of Heavy Oil Processing and the Key Laboratory of Catalysis of CNPC
- China University of Petroleum
- Beijing 102249
- China
| | - Yanjun Gong
- State Key Laboratory of Heavy Oil Processing and the Key Laboratory of Catalysis of CNPC
- China University of Petroleum
- Beijing 102249
- China
| | - Jun Xu
- Wuhan Institute of Physics and Mathematics
- Chinese Academy of Sciences
- Wuhan 430071
- China
| | - Feng Deng
- Wuhan Institute of Physics and Mathematics
- Chinese Academy of Sciences
- Wuhan 430071
- China
| |
Collapse
|
40
|
Wang Y, Gao Y, Xie S, Liu S, Chen F, Xin W, Zhu X, Li X, Jiang N, Xu L. Adjustment of the Al siting in MCM-22 zeolite and its effect on alkylation performance of ethylene with benzene. Catal Today 2018. [DOI: 10.1016/j.cattod.2018.02.040] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
|
41
|
Wei J, Yao R, Ge Q, Wen Z, Ji X, Fang C, Zhang J, Xu H, Sun J. Catalytic Hydrogenation of CO2 to Isoparaffins over Fe-Based Multifunctional Catalysts. ACS Catal 2018. [DOI: 10.1021/acscatal.8b02267] [Citation(s) in RCA: 98] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jian Wei
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Ruwei Yao
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Qingjie Ge
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Zhiyong Wen
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Xuewei Ji
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Chuanyan Fang
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Jixin Zhang
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Hengyong Xu
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Jian Sun
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| |
Collapse
|
42
|
Li C, Vidal-Moya A, Miguel PJ, Dedecek J, Boronat M, Corma A. Selective Introduction of Acid Sites in Different Confined Positions in ZSM-5 and Its Catalytic Implications. ACS Catal 2018. [DOI: 10.1021/acscatal.8b02112] [Citation(s) in RCA: 104] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Chengeng Li
- Instituto de Tecnología Química, Universitat Politècnica de València, Consejo Superior de Investigaciones Cientificas, Av. de los Naranjos, s/n, 46022 Valencia, Spain
| | - Alejandro Vidal-Moya
- Instituto de Tecnología Química, Universitat Politècnica de València, Consejo Superior de Investigaciones Cientificas, Av. de los Naranjos, s/n, 46022 Valencia, Spain
| | - Pablo J. Miguel
- Departamento de Ingeniería Química, Universitat de València, Av. de la Universitat, s/n, 46100 Burjassot, Spain
| | - Jiri Dedecek
- J. Heyrovsky Institute of Physical Chemistry, Academy of Sciences of the Czech Republic, Dolejskova 3, CZ-182 23 Prague 8, Czech Republic
| | - Mercedes Boronat
- Instituto de Tecnología Química, Universitat Politècnica de València, Consejo Superior de Investigaciones Cientificas, Av. de los Naranjos, s/n, 46022 Valencia, Spain
| | - Avelino Corma
- Instituto de Tecnología Química, Universitat Politècnica de València, Consejo Superior de Investigaciones Cientificas, Av. de los Naranjos, s/n, 46022 Valencia, Spain
| |
Collapse
|
43
|
Chu Y, Yi X, Li C, Sun X, Zheng A. Brønsted/Lewis acid sites synergistically promote the initial C-C bond formation in the MTO reaction. Chem Sci 2018; 9:6470-6479. [PMID: 30310577 PMCID: PMC6115684 DOI: 10.1039/c8sc02302f] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Accepted: 06/27/2018] [Indexed: 11/21/2022] Open
Abstract
The Lewis acid site combined with a Brønsted acid site in zeolite catalysts facilitates first C–C bond formation in the initiation step of the MTO reaction.
The methanol-to-olefin (MTO) reaction is an active field of research due to conflicting mechanistic proposals for the initial carbon–carbon (C–C) bond formation. Herein, a new methane–formaldehyde pathway, a Lewis acid site combined with a Brønsted acid site in zeolite catalysts can readily activate dimethyl ether (DME) to form ethene, is identified theoretically. The mechanism involves a hydride transfer from Al–OCH3 on the Lewis acid site to the methyl group of the protonated methanol molecule on the adjacent Brønsted acid site leading to synchronous formation of methane and Al–COH2+ (which can be considered as formaldehyde (HCHO) adsorbed on the Al3+ Lewis acid sites). The strong electrophilic character of the Al–COH2+ intermediate can strongly accelerate the C–C bond formation with CH4, as indicated by the significant decrease of activation barriers in the rate-determining-step of the catalytic processes. These results highlight a synergy of extra-framework aluminum (EFAl) Lewis and Brønsted sites in zeolite catalysts that facilitates initial C–C bond formation in the initiation step of the MTO reaction via the Al–COH2+ intermediate.
Collapse
Affiliation(s)
- Yueying Chu
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics , National Center for Magnetic Resonance in Wuhan , Key Laboratory of Magnetic Resonance in Biological Systems , Wuhan Institute of Physics and Mathematics , Chinese Academy of Sciences , Wuhan 430071 , P. R. China .
| | - Xianfeng Yi
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics , National Center for Magnetic Resonance in Wuhan , Key Laboratory of Magnetic Resonance in Biological Systems , Wuhan Institute of Physics and Mathematics , Chinese Academy of Sciences , Wuhan 430071 , P. R. China .
| | - Chengbin Li
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics , National Center for Magnetic Resonance in Wuhan , Key Laboratory of Magnetic Resonance in Biological Systems , Wuhan Institute of Physics and Mathematics , Chinese Academy of Sciences , Wuhan 430071 , P. R. China .
| | - Xianyong Sun
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics , National Center for Magnetic Resonance in Wuhan , Key Laboratory of Magnetic Resonance in Biological Systems , Wuhan Institute of Physics and Mathematics , Chinese Academy of Sciences , Wuhan 430071 , P. R. China .
| | - Anmin Zheng
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics , National Center for Magnetic Resonance in Wuhan , Key Laboratory of Magnetic Resonance in Biological Systems , Wuhan Institute of Physics and Mathematics , Chinese Academy of Sciences , Wuhan 430071 , P. R. China .
| |
Collapse
|
44
|
Wang S, Wang P, Qin Z, Chen Y, Dong M, Li J, Zhang K, Liu P, Wang J, Fan W. Relation of Catalytic Performance to the Aluminum Siting of Acidic Zeolites in the Conversion of Methanol to Olefins, Viewed via a Comparison between ZSM-5 and ZSM-11. ACS Catal 2018. [DOI: 10.1021/acscatal.8b01054] [Citation(s) in RCA: 97] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Sen Wang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan, Shanxi 030001, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Pengfei Wang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan, Shanxi 030001, P. R. China
| | - Zhangfeng Qin
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan, Shanxi 030001, P. R. China
| | - Yanyan Chen
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan, Shanxi 030001, P. R. China
| | - Mei Dong
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan, Shanxi 030001, P. R. China
| | - Junfen Li
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan, Shanxi 030001, P. R. China
| | - Kan Zhang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan, Shanxi 030001, P. R. China
| | - Ping Liu
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan, Shanxi 030001, P. R. China
| | - Jianguo Wang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan, Shanxi 030001, P. R. China
| | - Weibin Fan
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan, Shanxi 030001, P. R. China
| |
Collapse
|
45
|
Peters AW, Otake K, Platero-Prats AE, Li Z, DeStefano MR, Chapman KW, Farha OK, Hupp JT. Site-Directed Synthesis of Cobalt Oxide Clusters in a Metal-Organic Framework. ACS APPLIED MATERIALS & INTERFACES 2018; 10:15073-15078. [PMID: 29671320 DOI: 10.1021/acsami.8b02825] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Direct control over structure and location of catalytic species deposited on amorphous supports represents a formidable challenge in heterogeneous catalysis. In contrast, a structurally well-defined, crystalline metal-organic framework (MOF) can be rationally designed using postsynthetic techniques to allow for desired structural or locational changes of deposited metal ions. Herein, naphthalene dicarboxylate linkers are incorporated in the MOF, NU-1000, to block the small cavities where few-atom clusters of cobalt oxide preferentially grow, inducing catalyst deposition toward hitherto ill-favored grafting sites orientated toward NU-1000s mesoporous channels. Despite the different cobalt oxide location, the resulting material is still an active propane oxidative dehydrogenation catalyst at low temperature, reaching a turnover frequency of 0.68 ± 0.05 h-1 at 230 °C and confirming the utility of MOFs as crystalline supports to guide rational design of catalysts.
Collapse
Affiliation(s)
- Aaron W Peters
- Department of Chemistry , Northwestern University , 2145 Sheridan Road , Evanston , Illinois 60208 , United States
| | - Kenichi Otake
- Department of Chemistry , Northwestern University , 2145 Sheridan Road , Evanston , Illinois 60208 , United States
| | - Ana E Platero-Prats
- X-ray Science Division, Advanced Photon Source , Argonne National Laboratory , Argonne , Illinois 60439-4858 , United States
| | - Zhanyong Li
- Department of Chemistry , Northwestern University , 2145 Sheridan Road , Evanston , Illinois 60208 , United States
| | - Matthew R DeStefano
- Department of Chemistry , Northwestern University , 2145 Sheridan Road , Evanston , Illinois 60208 , United States
| | - Karena W Chapman
- X-ray Science Division, Advanced Photon Source , Argonne National Laboratory , Argonne , Illinois 60439-4858 , United States
| | - Omar K Farha
- Department of Chemistry , Northwestern University , 2145 Sheridan Road , Evanston , Illinois 60208 , United States
- Department of Chemistry, Faculty of Science , King Abdulaziz University , Jeddah 21589 , Saudi Arabia
| | - Joseph T Hupp
- Department of Chemistry , Northwestern University , 2145 Sheridan Road , Evanston , Illinois 60208 , United States
| |
Collapse
|
46
|
Kester PM, Miller JT, Gounder R. Ammonia Titration Methods To Quantify Brønsted Acid Sites in Zeolites Substituted with Aluminum and Boron Heteroatoms. Ind Eng Chem Res 2018. [DOI: 10.1021/acs.iecr.8b00933] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Philip M. Kester
- Charles D. Davidson School of Chemical Engineering, Purdue University, 480 Stadium Mall Drive, West Lafayette, Indiana 47907, United States
| | - Jeffrey T. Miller
- Charles D. Davidson School of Chemical Engineering, Purdue University, 480 Stadium Mall Drive, West Lafayette, Indiana 47907, United States
| | - Rajamani Gounder
- Charles D. Davidson School of Chemical Engineering, Purdue University, 480 Stadium Mall Drive, West Lafayette, Indiana 47907, United States
| |
Collapse
|
47
|
High-performance thin-felt SS-fiber@HZSM-5 catalysts synthesized via seed-assisted vapor phase transport for methanol-to-propylene reaction: Effects of crystal size, mesoporosity and aluminum uniformity. J Catal 2018. [DOI: 10.1016/j.jcat.2018.01.025] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
|
48
|
Ma H, Chen Y, Wei Z, Wang S, Qin Z, Dong M, Li J, Wang J, Fan W. Reaction Mechanism for Direct Cyclization of Linear C 5 , C 6 , and C 7 Alkenes over H-ITQ-13 Zeolite Investigated Using Density Functional Theory. Chemphyschem 2018; 19:496-503. [PMID: 29334171 DOI: 10.1002/cphc.201701020] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Revised: 01/11/2018] [Indexed: 11/09/2022]
Abstract
Although dienes or trienes have been shown to be possible precursors for cyclization, direct cyclization of alkenes or alkoxides has not been systematically studied yet. Thus, the reaction mechanism of cyclization of linear alkenes over H-ITQ-13 was investigated here by density functional theory considering dispersive interactions (DFT-D). The similar free energy of different linear alkoxides of the same carbon number suggests that they can co-exist in the H-ITQ-13 intersection at 673.15 K during the methanol to olefins (MTO) process. The formation of linear alkenes by olefins methylation with methoxyl groups (ZOCH3 ), trimethyloxonium ions (TMO+ ), and methanol are kinetically more favorable than by dimerization of olefins. Linear alkoxides or alkenes prefer direct cyclization to cycloalkanes rather than hydride transfer to diene. This study provides new insight into the alkene cyclization and aromatization mechanisms in MTO process.
Collapse
Affiliation(s)
- Hong Ma
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan, Shanxi, 030001, PR China), Fax: (+86) 351-4041153.,University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Yanyan Chen
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan, Shanxi, 030001, PR China), Fax: (+86) 351-4041153
| | - Zhihong Wei
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan, Shanxi, 030001, PR China), Fax: (+86) 351-4041153
| | - Sen Wang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan, Shanxi, 030001, PR China), Fax: (+86) 351-4041153
| | - Zhangfeng Qin
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan, Shanxi, 030001, PR China), Fax: (+86) 351-4041153
| | - Mei Dong
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan, Shanxi, 030001, PR China), Fax: (+86) 351-4041153
| | - Junfen Li
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan, Shanxi, 030001, PR China), Fax: (+86) 351-4041153
| | - Jianguo Wang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan, Shanxi, 030001, PR China), Fax: (+86) 351-4041153
| | - Weibin Fan
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan, Shanxi, 030001, PR China), Fax: (+86) 351-4041153
| |
Collapse
|
49
|
Catalytic performance of the modified H-ZSM-5 zeolite in methanol transformation to hydrocarbons. REACTION KINETICS MECHANISMS AND CATALYSIS 2018. [DOI: 10.1007/s11144-018-1359-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
|
50
|
Ma H, Chen Y, Wang S, Wei Z, Qin Z, Dong M, Li J, Fan W, Wang J. Reaction mechanism for the conversion of methanol to olefins over H-ITQ-13 zeolite: a density functional theory study. Catal Sci Technol 2018. [DOI: 10.1039/c7cy02047c] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
For MTO over H-ITQ-13, the alkene cycle takes priority over the aromatic one, giving a high selectivity to propene.
Collapse
Affiliation(s)
- Hong Ma
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry
- Chinese Academy of Sciences
- Taiyuan
- PR China
| | - Yanyan Chen
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry
- Chinese Academy of Sciences
- Taiyuan
- PR China
| | - Sen Wang
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry
- Chinese Academy of Sciences
- Taiyuan
- PR China
| | - Zhihong Wei
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry
- Chinese Academy of Sciences
- Taiyuan
- PR China
| | - Zhangfeng Qin
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry
- Chinese Academy of Sciences
- Taiyuan
- PR China
| | - Mei Dong
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry
- Chinese Academy of Sciences
- Taiyuan
- PR China
| | - Junfen Li
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry
- Chinese Academy of Sciences
- Taiyuan
- PR China
| | - Weibin Fan
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry
- Chinese Academy of Sciences
- Taiyuan
- PR China
| | - Jianguo Wang
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry
- Chinese Academy of Sciences
- Taiyuan
- PR China
| |
Collapse
|