1
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Zou X, Fan D, Zhang X, Lou C, Yang M, Xu S, Wang Q, Tian P, Liu Z. A rapid and eco-friendly approach for the synthesis of low-silica SAPO-34 with excellent MTO catalytic performance. Chem Commun (Camb) 2024; 60:4805-4809. [PMID: 38602381 DOI: 10.1039/d4cc01017e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/12/2024]
Abstract
A rapid and eco-friendly route has been developed for the synthesis of SAPO-34 with short crystallization time (1-3 h), low silica content (as low as 6.2 wt%) and excellent methanol-to-olefin (MTO) catalytic performance by utilization of a recycled mother liquid at elevated crystallization temperature.
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Affiliation(s)
- Xiaoxia Zou
- Henan Institute of Advanced Technology, Zhengzhou University, Zhengzhou 450003, China
- National Engineering Research Center of Lower-Carbon Catalysis Technology, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.
| | - Dong Fan
- National Engineering Research Center of Lower-Carbon Catalysis Technology, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.
| | - Xiaosi Zhang
- National Engineering Research Center of Lower-Carbon Catalysis Technology, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.
- University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100049, China
| | - Caiyi Lou
- National Engineering Research Center of Lower-Carbon Catalysis Technology, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.
- University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100049, China
| | - Miao Yang
- National Engineering Research Center of Lower-Carbon Catalysis Technology, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.
| | - Shutao Xu
- National Engineering Research Center of Lower-Carbon Catalysis Technology, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.
| | - Quanyi Wang
- National Engineering Research Center of Lower-Carbon Catalysis Technology, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.
| | - Peng Tian
- National Engineering Research Center of Lower-Carbon Catalysis Technology, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.
| | - Zhongmin Liu
- National Engineering Research Center of Lower-Carbon Catalysis Technology, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.
- University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100049, China
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2
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Wang Q, Dai W, Dai Y, Pan M, Liu Y, Zhang L, Zheng J, Liu X, Li R, Ma L, Wang H, Zong Y. Design Synthesis of Low-Silica SAPO-34 Nanocrystals by Constructing Isomorphous Core-Shell Structure: An Effective Catalyst for Improving Catalytic Performances in Methanol-to-Olefins Reaction. ACS APPLIED MATERIALS & INTERFACES 2024; 16:14308-14320. [PMID: 38456610 DOI: 10.1021/acsami.3c19166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/09/2024]
Abstract
It is well known that low-silica SAPO-34, with an extra porosity (meso- and/or macropores) system, affords excellent catalytic performance in the methanol-to-olefins (MTO) reaction, while the direct synthesis of low-silica SAPO-34 with a hierarchical structure is difficult to achieve, principally because the crystal impurities are usually formed under a low silica content in a gel precursor. Herein, low-silica SAPO-34 nanocrystals were successfully fabricated for the first time by constructing an isomorphous core-shell structure in an epitaxial growth manner. In which, low-silica, ultrasmall nanosquare-shaped SAPO-34 crystals with the same growth orientation along the (100) crystal plane compactly grow on the monocrystal SAPO-34 cores. Crucially, the external surface acid properties of the core SAPO-34 with the Si-rich outer layer are effectively modified by the low-silica SAPO-34 shell. Furthermore, the growth process and Si-substitution mechanism of the shell zeolite were comprehensively investigated. It was found that with the prolonged crystallization time, more and more coordinated Si(4Al) and Si(3Al) structures via two substitution mechanisms (SM2 and SM3) are generated in the nanocrystalline SAPO-34 shell, which endow moderate acidity of the core-shell SAPO-34. Compared to the uncoated SAPO-34, the core-shell SAPO-34 performs a longer lifespan and a higher average selectivity of light olefins (ethylene plus propylene) when applied to the MTO reaction, which is attributed to the positive effects of the luxuriant interstitial pores offering a fast diffusion channel and the moderate acid density depressing the hydrogen transfer reaction of light olefins. This work provides new insights into the fabrication of low-silica SAPO-34 nanocrystals, which are based on the rational design of the isomorphous core-shell zeolite.
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Affiliation(s)
- Quanhua Wang
- Research Centre of Energy Chemical & Catalytic Technology, Taiyuan University of Technology, Taiyuan 030024, PR China
- Datang Nanjing Environmental Protection Technology Co., Ltd, Nanjing, Jiangsu 211111, China
| | - Weijiong Dai
- Research Centre of Energy Chemical & Catalytic Technology, Taiyuan University of Technology, Taiyuan 030024, PR China
| | - Yi Dai
- Research Centre of Energy Chemical & Catalytic Technology, Taiyuan University of Technology, Taiyuan 030024, PR China
| | - Meng Pan
- College of Biological and Chemical Engineering, Anhui Polytechnic University, Wuhu 241000, China
| | - Yanchao Liu
- Research Centre of Energy Chemical & Catalytic Technology, Taiyuan University of Technology, Taiyuan 030024, PR China
| | - Lichen Zhang
- Research Centre of Energy Chemical & Catalytic Technology, Taiyuan University of Technology, Taiyuan 030024, PR China
| | - Jiajun Zheng
- Research Centre of Energy Chemical & Catalytic Technology, Taiyuan University of Technology, Taiyuan 030024, PR China
| | - Xuguang Liu
- Research Centre of Energy Chemical & Catalytic Technology, Taiyuan University of Technology, Taiyuan 030024, PR China
| | - Ruifeng Li
- Research Centre of Energy Chemical & Catalytic Technology, Taiyuan University of Technology, Taiyuan 030024, PR China
| | - Luoning Ma
- Datang Nanjing Environmental Protection Technology Co., Ltd, Nanjing, Jiangsu 211111, China
| | - Hu Wang
- Datang Nanjing Environmental Protection Technology Co., Ltd, Nanjing, Jiangsu 211111, China
| | - Yuhao Zong
- Datang Nanjing Environmental Protection Technology Co., Ltd, Nanjing, Jiangsu 211111, China
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3
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Jiang T, Bai Y, Li L, Tai W, Wang Y, Wang H, Sun N. The effects of templates and seeds on the properties of nanosheet SAPO-34 molecular sieves and their catalytic performance in the MTO reaction. Aust J Chem 2023. [DOI: 10.1071/ch22238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2023]
Abstract
Nanoscale SAPO-34 molecular sieves were synthesized by adding different types of seed into hydrothermal synthesis systems with tetraethylammonium hydroxide (TEAOH) and triethylamine (TEA) & tetraethylammonium bromide (TEABr) as templates. The effects of different types of template and seed on the crystal structure, morphology, grain size and acidity of the molecular sieves were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), N2 isothermal adsorption–desorption and ammonia temperature-programmed desorption (NH3-TPD). The methanol-to-olefins (MTO) reaction performance of the synthesized samples was investigated in a fixed-bed reactor. The results showed that crystalline supernatant and seed soaking solution could be used as liquid seeds to assist in the synthesis of SAPO-34 molecular sieves with a lamellar structure. The yield of SAPO-34 synthesized by seed increased from 38.64 to 59.68%, and the methanol conversion rate was significantly improved as compared with that of SAPO-34 synthesized without seed. The nano-thickness of SAPO-34 synthesized with TEA&TEABr instead of TEAOH as template decreased from 100–150 to 40–50 nm, and the lifetime increased from 360 to 400 min with the original yield kept constant.
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4
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Active Zn Species Nest in Dealumination Zeolite Composite for Propane Dehydrogenation. Catal Letters 2022. [DOI: 10.1007/s10562-022-04244-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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5
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Wang C, Yang L, Gao M, Shao X, Dai W, Wu G, Guan N, Xu Z, Ye M, Li L. Directional Construction of Active Naphthalenic Species within SAPO-34 Crystals toward More Efficient Methanol-to-Olefin Conversion. J Am Chem Soc 2022; 144:21408-21416. [DOI: 10.1021/jacs.2c10495] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Chang Wang
- School of Materials Science and Engineering, Nankai University, Tianjin 300350, P.R. China
| | - Liu Yang
- School of Materials Science and Engineering, Nankai University, Tianjin 300350, P.R. China
| | - Mingbin Gao
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P.R. China
| | - Xue Shao
- School of Materials Science and Engineering, Nankai University, Tianjin 300350, P.R. China
| | - Weili Dai
- School of Materials Science and Engineering, Nankai University, Tianjin 300350, P.R. China
| | - Guangjun Wu
- School of Materials Science and Engineering, Nankai University, Tianjin 300350, P.R. China
| | - Naijia Guan
- School of Materials Science and Engineering, Nankai University, Tianjin 300350, P.R. China
| | - Zhaochao Xu
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P.R. China
| | - Mao Ye
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P.R. China
| | - Landong Li
- School of Materials Science and Engineering, Nankai University, Tianjin 300350, P.R. China
- Key Laboratory of Advanced Energy Materials Chemistry of the Ministry of Education, College of Chemistry, Nankai University, Tianjin 300071, P.R. China
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6
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Temperature and dilution effects on MTO process with a SAPO-34-based catalyst in fluidized bed reactor. Catal Today 2022. [DOI: 10.1016/j.cattod.2021.09.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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7
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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.
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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
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8
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Jiang Q, Lan D, Zhao G, Xu H, Gong X, Liu J, Shi Y, Zhang L, Fang H, Cheng D, Ge J, Xu Z, Liu J. Converting CO 2 Hydrogenation Products from Paraffins to Olefins: Modification of Zeolite Surface Properties by a UIO- n Membrane. ACS Catal 2022. [DOI: 10.1021/acscatal.2c00785] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Qi Jiang
- School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Dengpeng Lan
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - Guofeng Zhao
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - Haitao Xu
- School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Xiaodi Gong
- Department of Gynaecology and Obstetrics, Changzheng Hospital, Naval Medical University, Shanghai 200003, China
| | - Jichang Liu
- School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Ying Shi
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230029, China
| | - Lidong Zhang
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230029, China
| | - Huimin Fang
- School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Denghui Cheng
- School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Jianping Ge
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - Zhenliang Xu
- School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Jinku Liu
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
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9
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Wang Q, Wang X, Liu Y, Zhang L, Ma X, Zheng J, Fan B, Chen S, Wang Y, Li R. Controlled synthesis of hierarchically porous SAPO-34 zeolites with tailored crystal size and morphology. Chem Phys Lett 2022. [DOI: 10.1016/j.cplett.2022.139513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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10
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A green approach to improve the yield of SAPO-34 crystal as well as its methanol-to-olefin performance. J SOLID STATE CHEM 2022. [DOI: 10.1016/j.jssc.2022.123011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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11
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12
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Guo L, Zhu W, Xing A, Li F, Guo Z. Morphology control of SAPO-34 and its catalytic performance for methanol to olefin reaction. NEW J CHEM 2022. [DOI: 10.1039/d2nj00336h] [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
SAPO-34 molecular sieves with various special morphologies were synthesized using mixed templates and by varying the silicon content in the gel.
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Affiliation(s)
- Lei Guo
- National Institute of Clean and Low Carbon Energy, Beijing, 102211, China
| | - Weiping Zhu
- National Institute of Clean and Low Carbon Energy, Beijing, 102211, China
| | - Aihua Xing
- National Institute of Clean and Low Carbon Energy, Beijing, 102211, China
| | - Fei Li
- National Institute of Clean and Low Carbon Energy, Beijing, 102211, China
| | - Zhihui Guo
- National Institute of Clean and Low Carbon Energy, Beijing, 102211, China
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13
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Wu R, Han J, Wang Y, Chen M, Tian P, Zhou X, Xu J, Zhang JN, Yan W. Exclusive SAPO-seeded synthesis of ZK-5 zeolite for selective synthesis of methylamines. Inorg Chem Front 2022. [DOI: 10.1039/d2qi01544g] [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
ZK-5 zeolite with superior selectivity for monomethylamine (MMA) plus dimethylamine (DMA) is fast synthesized using the exclusive silicoaluminophosphate SAPO-34 seed and K+ and Na+ cations.
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Affiliation(s)
- Rui Wu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China
| | - Jinfeng Han
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China
| | - Yunzheng Wang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China
| | - Mengyang Chen
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China
| | - Peng Tian
- National Engineering Laboratory for Methanol to Olefins, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Xue Zhou
- National Centre for Magnetic Resonance in Wuhan, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan, 430071, China
| | - Jun Xu
- National Centre for Magnetic Resonance in Wuhan, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan, 430071, China
| | - Jia-Nan Zhang
- College of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Wenfu Yan
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China
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14
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Yu W, Wu X, Cheng B, Tao T, Min X, Mi R, Huang Z, Fang M, Liu Y. Synthesis and Applications of SAPO-34 Molecular Sieves. Chemistry 2021; 28:e202102787. [PMID: 34961998 DOI: 10.1002/chem.202102787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Indexed: 11/06/2022]
Abstract
Silicoaluminophosphate zeolite (SAPO-34) has been attracting increasing attention due to its excellent form selection and controllability in the chemical industry, as well as being one of the best industrial catalysts for methanol-to-olefin (MTO) reaction conversion. However, as a microporous molecular sieve, SAPO-34 easily generates carbon deposition and rapidly becomes inactivated. Therefore, it is necessary to reduce the crystal size of the zeolite or to introduce secondary macropores into the zeolite crystal to form a hierarchical structure in order to improve the catalytic effect. In this review, the synthesis methods of conventional SAPO-34 molecular sieves, hierarchical SAPO-34 molecular sieves and nanosized SAPO-34 molecular sieves are introduced, and the properties of the synthesized SAPO-34 molecular sieves are described, including the phase, morphology, pore structure, acid source, and catalytic performance, in particular with respect to the synthesis of hierarchical SAPO-34 molecular sieves. We hope that the review can provide guidance to the preparation of the SAPO-34 catalysts, and stimulate the future development of high-performance hierarchical SAPO-34 catalysts to meet the growing demands of the material and chemical industries.
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Affiliation(s)
- Wenhe Yu
- Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geoscience (Beijing), 29 Xueyuan Road, 100083, Beijing, P. R. China
| | - Xiaowen Wu
- Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geoscience (Beijing), 29 Xueyuan Road, 100083, Beijing, P. R. China
| | - Bohao Cheng
- Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geoscience (Beijing), 29 Xueyuan Road, 100083, Beijing, P. R. China
| | - Tianyi Tao
- Division of Environment Technology and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, 100190, Beijing, P. R. China
| | - Xin Min
- Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geoscience (Beijing), 29 Xueyuan Road, 100083, Beijing, P. R. China
| | - Ruiyu Mi
- Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geoscience (Beijing), 29 Xueyuan Road, 100083, Beijing, P. R. China
| | - Zhaohui Huang
- Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geoscience (Beijing), 29 Xueyuan Road, 100083, Beijing, P. R. China
| | - Minghao Fang
- Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geoscience (Beijing), 29 Xueyuan Road, 100083, Beijing, P. R. China
| | - Yangai Liu
- Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geoscience (Beijing), 29 Xueyuan Road, 100083, Beijing, P. R. China
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15
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Li ZH, Li XF, Di CY, Dou T, Chen SL. A Green and Cost-Effective Synthesis of Hierarchical SAPO-34 through Dry Gel Conversion and Its Performance in a Methanol-to-Olefin Reaction. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.1c02782] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Zhi-Hong Li
- State Key Laboratory of Heavy Oil Processing and Department of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing 102249, China
| | - Xiao-Feng Li
- College of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan, Shanxi 030024, China
| | - Chun-Yu Di
- College of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan, Shanxi 030024, China
| | - Tao Dou
- State Key Laboratory of Heavy Oil Processing and Department of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing 102249, China
| | - Sheng-Li Chen
- State Key Laboratory of Heavy Oil Processing and Department of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing 102249, China
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16
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Ranjbaran Lodrijeh S, Askari S, Halladj R. Seeding-induced nano-sized SAPO-34 synthesis with superior MTO performance: Energy-efficient approach with highly reduced OSDA consumption. POWDER TECHNOL 2021. [DOI: 10.1016/j.powtec.2021.05.042] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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17
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Zeng L, Liu F, Zhao T, Cao J. Superior ZSM-5@γ-Al 2O 3 Composite Catalyst for Methanol and Ethanol Coconversion to Light Olefins. ACS OMEGA 2021; 6:19067-19075. [PMID: 34337245 PMCID: PMC8320105 DOI: 10.1021/acsomega.1c02369] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 07/05/2021] [Indexed: 06/13/2023]
Abstract
This paper proposes a ZSM-5@γ-Al2O3 composite with a core-shell structure for the high-efficiency cocatalytic conversion of a methanol-ethanol system to light olefins. Using ZSM-5 and γ-Al2O3 as sole catalysts for comparison, the effects of physical blending, impregnation, and liquid-phase precipitation coating strategies on the catalytic performance and physicochemical properties of the composite catalysts were systematically investigated. The results indicated that the ZSM-5@γ-Al2O3 composite catalyst prepared by a liquid-phase precipitation coating exhibited excellent catalytic performance. When the ethanol content was 25 wt % and the reaction occurred at 350 °C, the conversion rates of methanol and ethanol were 96.1 and 99.9%, respectively; the selectivity and yield of light olefins reached 92.3 and 89.9%, respectively. The introduction of ethanol into methanol enhanced the selectivity of light olefins as target products. The interfacial composite phase formed by in situ nucleation growth of pseudoboehmite produced distinct Brønsted-Lewis acid synergistic active centers. It also increased the mesopore/micropore ratio in the composite catalyst.
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Affiliation(s)
- Liying Zeng
- School
of Chemistry and Chemical Engineering, Guizhou
University, Guiyang, Guizhou 550025, P. R. China
- Key
Laboratory of Green Chemical and Clean Energy Technology, Guizhou University, Guiyang, Guizhou 550025, P. R. China
- Engineering
Research Center of Efficient Utilization for Industrial Waste, Guizhou University, Guiyang, Guizhou 550025, P. R. China
| | - Fei Liu
- School
of Chemistry and Chemical Engineering, Guizhou
University, Guiyang, Guizhou 550025, P. R. China
- Key
Laboratory of Green Chemical and Clean Energy Technology, Guizhou University, Guiyang, Guizhou 550025, P. R. China
- Engineering
Research Center of Efficient Utilization for Industrial Waste, Guizhou University, Guiyang, Guizhou 550025, P. R. China
| | - Tianxiang Zhao
- School
of Chemistry and Chemical Engineering, Guizhou
University, Guiyang, Guizhou 550025, P. R. China
- Key
Laboratory of Green Chemical and Clean Energy Technology, Guizhou University, Guiyang, Guizhou 550025, P. R. China
- Engineering
Research Center of Efficient Utilization for Industrial Waste, Guizhou University, Guiyang, Guizhou 550025, P. R. China
| | - Jianxin Cao
- School
of Chemistry and Chemical Engineering, Guizhou
University, Guiyang, Guizhou 550025, P. R. China
- Key
Laboratory of Green Chemical and Clean Energy Technology, Guizhou University, Guiyang, Guizhou 550025, P. R. China
- Engineering
Research Center of Efficient Utilization for Industrial Waste, Guizhou University, Guiyang, Guizhou 550025, P. R. China
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18
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Solvent-Free Synthesis of SAPO-34 Zeolite with Tunable SiO2/Al2O3 Ratios for Efficient Catalytic Cracking of 1-Butene. Catalysts 2021. [DOI: 10.3390/catal11070835] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Solvent-free synthesis methodology is a promising technique for the green and sustainable preparation of zeolites materials. In this work, a solvent-free route was developed to synthesize SAPO-34 zeolite. The characterization results indicated that the crystal size, texture properties, acidity and Si coordination environment of the resulting SAPO-34 were tuned by adjusting the SiO2/Al2O3 molar ratio in the starting mixture. Moreover, the acidity of SAPO-34 zeolite was found to depend on the Si coordination environment, which was consistent with that of SAPO-34 zeolite synthesized by the hydrothermal method. At an SiO2/Al2O3 ratio of 0.6, the SP-0.6 sample exhibited the highest conversion of 1-butene (82.8%) and a satisfactory yield of light olefins (51.6%) in the catalytic cracking of 1-butene, which was attributed to the synergistic effect of the large SBET (425 m2/g) and the abundant acid sites (1.82 mmol/g). This work provides a new opportunity for the design of efficient zeolite catalysts for industrially important reactions.
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19
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Zapater D, Lasobras J, Soler J, Herguido J, Menéndez M. Counteracting SAPO-34 catalyst deactivation in MTO process using a two zone fluidized bed reactor: Reactor testing and process viability. Catal Today 2021. [DOI: 10.1016/j.cattod.2020.03.025] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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20
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Facile Synthesis of ZnSAPO-34 Zeolite via a ZnO Route. Catal Letters 2021. [DOI: 10.1007/s10562-020-03473-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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21
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Synthesis of SAPO-34 with modifying Si distribution by seed-assisted method and its excellent catalytic performance for methanol to olefins. MOLECULAR CATALYSIS 2021. [DOI: 10.1016/j.mcat.2020.111312] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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22
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Zhou Y, Shi H, Wang B, Chen G, Yi J, Li J. The synthesis of SAPO-34 zeolite for an improved MTO performance: tuning the particle size and an insight into the formation mechanism. Inorg Chem Front 2021. [DOI: 10.1039/d1qi00016k] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Effect of gel systems, additives and crystallization conditions on the size of SAPO-34 and the MTO performance has been studied.
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Affiliation(s)
- Yida Zhou
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- College of Chemistry
- Jilin University
- Changchun 130012
- P. R. China
| | - Huaizhong Shi
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- College of Chemistry
- Jilin University
- Changchun 130012
- P. R. China
| | - Bolun Wang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- College of Chemistry
- Jilin University
- Changchun 130012
- P. R. China
| | - Guangrui Chen
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- College of Chemistry
- Jilin University
- Changchun 130012
- P. R. China
| | - Jian Yi
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- College of Chemistry
- Jilin University
- Changchun 130012
- P. R. China
| | - Jiyang Li
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- College of Chemistry
- Jilin University
- Changchun 130012
- P. R. China
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23
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Huang H, He S, Zhang Q, Fan W, Xu D, Gao J, Li C. Construction of SAPO-34/SiO 2 composite: effective catalyst for methanol to olefins reaction. NEW J CHEM 2021. [DOI: 10.1039/d1nj02597j] [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 SAPO-34/SiO2 composite is superior to the SAPO-34–SiO2 catalyst in methanol conversion and product selectivity.
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Affiliation(s)
- Huiwen Huang
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Shanshan He
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Qiang Zhang
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao 266580, China
| | - Wenyang Fan
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Dongmei Xu
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Jun Gao
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Chunyi Li
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao 266580, China
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24
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Rui P, Wang B, Chen F, Xiang Y, Yang J, Guo T, Wu Z, Liao W, Shu X. The hydrothermal synthesis of hierarchical SAPO-34 with improved MTO performance. NEW J CHEM 2021. [DOI: 10.1039/d1nj01066b] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A two-step hydrothermal approach for the synthesis of hierarchical SAPO-34 in the absence of any mesoporogen.
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Affiliation(s)
- Peixin Rui
- National Engineering Research Center for Carbohydrate Synthesis
- Jiangxi Normal University
- Nanchang
- China
| | - Baorong Wang
- National Engineering Research Center for Carbohydrate Synthesis
- Jiangxi Normal University
- Nanchang
- China
- State Key Laboratory of Catalytic Material and Reaction Engineering
| | - Feibiao Chen
- National Engineering Research Center for Carbohydrate Synthesis
- Jiangxi Normal University
- Nanchang
- China
| | - Yanjuan Xiang
- State Key Laboratory of Catalytic Material and Reaction Engineering
- Research Institute of Petroleum Processing
- SINOPEC
- Beijing 100083
- China
| | - Jianming Yang
- Xi’an Modern Chemistry Research Institute
- Xi’an 710065
- China
| | - Tao Guo
- National Engineering Research Center for Carbohydrate Synthesis
- Jiangxi Normal University
- Nanchang
- China
| | - Zheng Wu
- National Engineering Research Center for Carbohydrate Synthesis
- Jiangxi Normal University
- Nanchang
- China
| | - Weilin Liao
- National Engineering Research Center for Carbohydrate Synthesis
- Jiangxi Normal University
- Nanchang
- China
| | - Xingtian Shu
- State Key Laboratory of Catalytic Material and Reaction Engineering
- Research Institute of Petroleum Processing
- SINOPEC
- Beijing 100083
- China
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25
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Liu Z, Li H, Zhang T, Wang Y, Shi P, Wang Y, Subhan F, Liu X, Yan Z. Mother liquor induced preparation of SAPO-34 zeolite for MTO reaction. Catal Today 2020. [DOI: 10.1016/j.cattod.2020.03.034] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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26
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Protective Effect of TEA on Templated-SAPO-34 Structure During Aqueous Zn Modification Process. Catal Letters 2020. [DOI: 10.1007/s10562-020-03211-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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27
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Shen X, Du Y, Ding J, Wang C, Liu H, Yang W, Xie Z. Affecting the Formation of the Micro‐structure and Meso/macro‐structure of SAPO‐34 zeolite by Amphipathic Molecules. ChemCatChem 2020. [DOI: 10.1002/cctc.202000794] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Xuefeng Shen
- State Key Laboratory of Green Chemical Engineering and Industrial Catalysis SINOPEC Shanghai Research Institute of Petrochemical Technology Shanghai 201208 P.R. China
| | - Yujue Du
- State Key Laboratory of Green Chemical Engineering and Industrial Catalysis SINOPEC Shanghai Research Institute of Petrochemical Technology Shanghai 201208 P.R. China
| | - Jiajia Ding
- State Key Laboratory of Green Chemical Engineering and Industrial Catalysis SINOPEC Shanghai Research Institute of Petrochemical Technology Shanghai 201208 P.R. China
| | - Chuanming Wang
- State Key Laboratory of Green Chemical Engineering and Industrial Catalysis SINOPEC Shanghai Research Institute of Petrochemical Technology Shanghai 201208 P.R. China
| | - Hongxing Liu
- State Key Laboratory of Green Chemical Engineering and Industrial Catalysis SINOPEC Shanghai Research Institute of Petrochemical Technology Shanghai 201208 P.R. China
| | - Weimin Yang
- State Key Laboratory of Green Chemical Engineering and Industrial Catalysis SINOPEC Shanghai Research Institute of Petrochemical Technology Shanghai 201208 P.R. China
| | - Zaiku Xie
- China Petrochemical Corporation (SINOPEC Group) Beijing 100728 P.R. China
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28
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Akhgar S, Towfighi J, Hamidzadeh M. Investigation of synthesis time and type of seed along with reduction of template consumption in the preparation of SAPO-34 catalyst and its performance in the MTO reaction. RSC Adv 2020; 10:34474-34485. [PMID: 35514429 PMCID: PMC9056835 DOI: 10.1039/d0ra05673a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 08/26/2020] [Indexed: 11/21/2022] Open
Abstract
SAPO-34 catalysts were synthesized through the seeding approach under different seed conditions. The different seed synthesis times (6 h, 12 h, and 24 h) and three types of seeds were evaluated: the dried seed, the calcined seed, and the mother liquor from an unseeded synthesis, called the solution seed. Pure SAPO-34 was obtained using 12 h and 24 h solution seeds, in which a 40% reduction of template consumption was achieved simultaneously. All seeding induced samples represented higher catalytic performance in the MTO process than conventional SAPO-34 due to the smaller crystallite/particle sizes and larger external surface areas and mesopore volume. Furthermore, the changes in the acidity of samples affect their performance. The maximum olefin selectivity under industrial feed conditions (72 wt% methanol in water) was 91.79% for the sample prepared from the 12 h solution seed, which was 14.43% higher than the unseeded sample. Although this sample did not have the longest lifetime, it showed a 330 min lifespan, which was at least twice more than that of the conventional one (150 min). The sample prepared from the 6 h solution seed showed the longest lifetime of more than 500 min among all catalysts, although it was contaminated with a little SAPO-5. SAPO-34 catalysts were synthesized through the seeding approach under different seed conditions.![]()
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Affiliation(s)
- Sahar Akhgar
- Chemical Engineering Department, Tarbiat Modares University P.O. Box 14115-143 Tehran Iran +982182883311
| | - Jafar Towfighi
- Chemical Engineering Department, Tarbiat Modares University P.O. Box 14115-143 Tehran Iran +982182883311
| | - Marzieh Hamidzadeh
- National Petrochemical Company, Petrochemical Research and Technology Company P.O. Box 1435884711 Tehran Iran
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29
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Sun C, Wang Y, Chen H, Wang X, Wang C, Zhang X. Seed-assisted synthesis of hierarchical SAPO-18/34 intergrowth and SAPO-34 zeolites and their catalytic performance for the methanol-to-olefin reaction. Catal Today 2020. [DOI: 10.1016/j.cattod.2019.04.038] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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30
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Rimaz S, Katal R. Positive Role of Synthesis Method and Hard Template on the Catalytic Performance of SAPO-34 in Methanol to Olefin Reaction. Comb Chem High Throughput Screen 2020; 24:485-489. [PMID: 32691709 DOI: 10.2174/1386207323666200720103321] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 05/17/2020] [Accepted: 05/20/2020] [Indexed: 11/22/2022]
Abstract
In the present study, SAPO-34 particles were synthesized using hydrothermal (HT) and dry gel (DG) conversion methods in the presence of diethyl amine (DEA) as an organic structure directing agent (SDA). Carbon nanotubes (CNT) were used as a hard template in the synthesis procedure to introduce transport pores into the structures of the synthesized samples. The synthesized samples were characterized with different methods to reveal the effects of synthesis method and using hard template on their structure and catalytic performance in methanol to olefin reaction (MTO). DG conversion method results in smaller particle size in comparison with hydrothermal method, resulting in enhancing catalytic performance. On the other side, using CNT in the synthesis procedure with DG method results in more reduction in particle size and formation of hierarchical structure, which drastically improves catalytic performance.
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Affiliation(s)
- Sajjad Rimaz
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, 117585, Singapore
| | - Reza Katal
- Department of Civil & Environmental Engineering, National University of Singapore, 1 Engineering Drive 2, 117576, Singapore
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31
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Gong F, Wang X, Wang P, Xuan L, Li Z, Zhu Y. Facile synthesis of SAPO-34 with excellent methanol-to-olefin activity in a short time via a conventional hydrothermal method. NEW J CHEM 2020. [DOI: 10.1039/d0nj01550d] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Small sized SAPO-34 obtained by a hydrothermal method in a short time (4 h) exhibits excellent MTO performance.
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Affiliation(s)
- Feifei Gong
- Key Laboratory of Functional Inorganic Material Chemistry (Heilongjiang University)
- Ministry of Education
- School of Chemistry and Materials Science, Heilongjiang University
- Harbin 150080
- P. R. China
| | - Xiaotong Wang
- Key Laboratory of Functional Inorganic Material Chemistry (Heilongjiang University)
- Ministry of Education
- School of Chemistry and Materials Science, Heilongjiang University
- Harbin 150080
- P. R. China
| | - Peiqiang Wang
- Key Laboratory of Functional Inorganic Material Chemistry (Heilongjiang University)
- Ministry of Education
- School of Chemistry and Materials Science, Heilongjiang University
- Harbin 150080
- P. R. China
| | - Lu Xuan
- Key Laboratory of Functional Inorganic Material Chemistry (Heilongjiang University)
- Ministry of Education
- School of Chemistry and Materials Science, Heilongjiang University
- Harbin 150080
- P. R. China
| | - Zhibin Li
- Key Laboratory of Functional Inorganic Material Chemistry (Heilongjiang University)
- Ministry of Education
- School of Chemistry and Materials Science, Heilongjiang University
- Harbin 150080
- P. R. China
| | - Yujun Zhu
- Key Laboratory of Functional Inorganic Material Chemistry (Heilongjiang University)
- Ministry of Education
- School of Chemistry and Materials Science, Heilongjiang University
- Harbin 150080
- P. R. China
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32
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Yang M, Fan D, Wei Y, Tian P, Liu Z. Recent Progress in Methanol-to-Olefins (MTO) Catalysts. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1902181. [PMID: 31496008 DOI: 10.1002/adma.201902181] [Citation(s) in RCA: 103] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 05/29/2019] [Indexed: 06/10/2023]
Abstract
Methanol conversion to olefins, as an important reaction in C1 chemistry, provides an alternative platform for producing basic chemicals from nonpetroleum resources such as natural gas and coal. Methanol-to-olefin (MTO) catalysis is one of the critical constraints for the process development, determining the reactor design, and the profitability of the process. After the construction and commissioning of the world's first MTO plant by Dalian Institute of Chemical Physics, based on high-efficiency catalyst and fluidization technology in 2010, more attention has been attracted for a deep understanding of the reaction mechanism and catalysis principle, which has led to the continuous development of catalysts and processes. Herein, the recent progress in MTO catalyst development is summarized, focusing on the advances in the optimization of SAPO-34 catalysts, together with the development efforts on catalysts with preferential ethylene or propylene selectivity.
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Affiliation(s)
- Miao Yang
- National Engineering Laboratory for Methanol to Olefins, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Dong Fan
- National Engineering Laboratory for Methanol to Olefins, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Yingxu Wei
- National Engineering Laboratory for Methanol to Olefins, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Peng Tian
- National Engineering Laboratory for Methanol to Olefins, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Zhongmin Liu
- National Engineering Laboratory for Methanol to Olefins, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
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33
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Wang P, Chen L, Guo JK, Shen S, Au CT, Yin SF. Synthesis of Submicron-Sized SAPO-34 as Efficient Catalyst for Olefin Generation from CH 3Br. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b04315] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Peng Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan Provincial Key Laboratory for Cost-effective Utilization of Fossil Fuel Aimed at Reducing Carbon-dioxide Emissions, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, Hunan, China
| | - Lang Chen
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan Provincial Key Laboratory for Cost-effective Utilization of Fossil Fuel Aimed at Reducing Carbon-dioxide Emissions, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, Hunan, China
| | - Jun-Kang Guo
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan Provincial Key Laboratory for Cost-effective Utilization of Fossil Fuel Aimed at Reducing Carbon-dioxide Emissions, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, Hunan, China
| | - Sheng Shen
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan Provincial Key Laboratory for Cost-effective Utilization of Fossil Fuel Aimed at Reducing Carbon-dioxide Emissions, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, Hunan, China
| | - Chak-Tong Au
- College of Chemistry and Chemical Engineering, Hunan Institute of Engineering, Xiangtan 411104, Hunan, China
| | - Shuang-Feng Yin
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan Provincial Key Laboratory for Cost-effective Utilization of Fossil Fuel Aimed at Reducing Carbon-dioxide Emissions, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, Hunan, China
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34
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Gao M, Li H, Yang M, Gao S, Wu P, Tian P, Xu S, Ye M, Liu Z. Direct quantification of surface barriers for mass transfer in nanoporous crystalline materials. Commun Chem 2019. [DOI: 10.1038/s42004-019-0144-1] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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35
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Bakhtiar SUH, Ali S, Wang X, Yuan F, Li Z, Zhu Y. Synthesis of sub-micrometric SAPO-34 by a morpholine assisted two-step hydrothermal route and its excellent MTO catalytic performance. Dalton Trans 2019; 48:2606-2616. [PMID: 30706909 DOI: 10.1039/c8dt04559c] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
SAPO-34 with a sub-micrometer crystal size was synthesized by a double hydrothermal treatment employing cost-effective morpholine as a structure directing agent, which presented an enhanced catalytic lifetime (nearly 3 times the conventional one) in the reaction of methanol to olefins with a higher light olefin selectivity (total selectivity of 97.1%). Detailed studies of the sample after different time intervals in the second crystallization with and without additional morpholine were carried out, which offered insight into crystal degradation and re-crystallization phenomena. The samples with different morpholine concentrations during the second hydrothermal treatment were also prepared, in which the sample with 80% MOR aqueous solution exhibited the smallest crystal size and the longest MTO lifetime. Furthermore, the investigation on the additional amount of mother liquor (from the first crystallization) required for the second crystallization showed that the presence of half the amount of the mother liquor (nutrients) could give us the required results effectively.
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Affiliation(s)
- Syed Ul Hasnain Bakhtiar
- Key Laboratory of Functional Inorganic Material Chemistry (Heilongjiang University), Ministry of Education, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, China.
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36
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Xu Z, Li J, Huang Y, Ma H, Qian W, Zhang H, Ying W. Size control of SSZ-13 crystals with APAM and its influence on the coking behaviour during MTO reaction. Catal Sci Technol 2019. [DOI: 10.1039/c9cy00412b] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Crystal size reduction of SSZ-13 with APAM activates more naphthalene in the CHA cages.
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Affiliation(s)
- Zhiqiang Xu
- Engineering Research Center of Large Scale Reactor Engineering and Technology
- Ministry of Education
- State Key Laboratory of Chemical Engineering
- East China University of Science and Technology
- Shanghai 200237
| | - Jianwen Li
- Engineering Research Center of Large Scale Reactor Engineering and Technology
- Ministry of Education
- State Key Laboratory of Chemical Engineering
- East China University of Science and Technology
- Shanghai 200237
| | - Yuxuan Huang
- Engineering Research Center of Large Scale Reactor Engineering and Technology
- Ministry of Education
- State Key Laboratory of Chemical Engineering
- East China University of Science and Technology
- Shanghai 200237
| | - Hongfang Ma
- Engineering Research Center of Large Scale Reactor Engineering and Technology
- Ministry of Education
- State Key Laboratory of Chemical Engineering
- East China University of Science and Technology
- Shanghai 200237
| | - Weixin Qian
- Engineering Research Center of Large Scale Reactor Engineering and Technology
- Ministry of Education
- State Key Laboratory of Chemical Engineering
- East China University of Science and Technology
- Shanghai 200237
| | - Haitao Zhang
- Engineering Research Center of Large Scale Reactor Engineering and Technology
- Ministry of Education
- State Key Laboratory of Chemical Engineering
- East China University of Science and Technology
- Shanghai 200237
| | - Weiyong Ying
- Engineering Research Center of Large Scale Reactor Engineering and Technology
- Ministry of Education
- State Key Laboratory of Chemical Engineering
- East China University of Science and Technology
- Shanghai 200237
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37
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Zhang L, Liu H, Yue Y, Olsbye U, Bao X. Design and in situ synthesis of hierarchical SAPO-34@kaolin composites as catalysts for methanol to olefins. Catal Sci Technol 2019. [DOI: 10.1039/c9cy01663e] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An in situ synthesis strategy to fabricate SAPO-34@kaolin composites from kaolin microspheres as catalysts for methanol to olefins is developed.
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Affiliation(s)
- Lina Zhang
- State Key Laboratory of Heavy Oil Processing
- China University of Petroleum
- Beijing 102249
- P. R. China
| | - Haiyan Liu
- State Key Laboratory of Heavy Oil Processing
- China University of Petroleum
- Beijing 102249
- P. R. China
| | - Yuanyuan Yue
- National Engineering Research Center of Chemical Fertilizer
- College of Chemical Engineering
- Fuzhou University
- Fuzhou 350116
- P.R. China
| | - Unni Olsbye
- Center for Materials Science and Nanotechnology
- Institute of Chemistry
- University of Oslo
- N-0315 Oslo
- Norway
| | - Xiaojun Bao
- State Key Laboratory of Heavy Oil Processing
- China University of Petroleum
- Beijing 102249
- P. R. China
- National Engineering Research Center of Chemical Fertilizer
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38
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Performance Enhanced SAPO-34 Catalyst for Methanol to Olefins: Template Synthesis Using a CO2-Based Polyurea. Catalysts 2018. [DOI: 10.3390/catal9010016] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Introducing mesopores into the channels and cages of conventional micropores CHA (Chabazite) topological structure SAPO-34 molecular sieves can effectively improve mass transport, retard coke deposition rate and enhance the catalytic performance for methanol to olefins (MTO) reaction, especially lifetime and olefins selectivity. In order to overcome the intrinsic diffusion limitation, a novel CO2-based polyurea copolymer with affluent amine group, ether segment and carbonyl group has been firstly applied to the synthesis of SAPO-34 zeolite under hydrothermal conditions. The as-synthesized micro-mesoporosity SAPO-34 molecular sieve catalysts show heterogeneous size distribution mesopores and exhibit slightly decrease of BET surface area due to the formation of defects and voids. Meanwhile, the catalysts exhibit superior catalytic performance in the MTO reaction with more than twice prolonged catalytic lifespan and improvement of selectivity for light olefins compared with conventional microporous SAPO-34. The methodology provides a new way to synthesize and control the structure of SAPO-34 catalysts.
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39
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Economic Synthesis of SSZ-13 Catalyst Using Waste Mother Liquid for the Methanol-to-Olefins Reaction. Catal Letters 2018. [DOI: 10.1007/s10562-018-2488-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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40
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Abstract
Abstract
The reduced availability of propylene and C4 products from steam crackers continues to provoke on-purpose technologies for light olefins such that almost 30% of propylene in 2025 is predicted to be supplied from unconventional sources. Furthermore, the recent discoveries of natural gas reservoirs have urged interest in the conversion of surplus alkanes and alkenes, especially ethane and ethylene. The direct conversion of ethylene to propylene or a combination of value-added chemicals, including butylenes and oligomers in the range of gasoline and diesel fuel, provides the capability of responding to the fluctuations in the balance between supply and demand of the main petrochemicals. A comprehensive review of heterogeneous catalysts for the gas-phase conversion pathways is presented here in terms of catalytic performances (ethylene conversion and product selectivities), productivities, lifetimes, active sites, physicochemical properties, mechanisms, influence of operating conditions, deactivation and some unresolved/less-advanced aspects of the field. The addressed catalysts cover both zeolitic materials and transition metals, such as tungsten, molybdenum, rhenium and nickel. Efforts in both experimental and theoretical studies are taken into account. Aside from the potential fields of progress, the review reveals very promising performances for the emerging technologies to produce propylene, a mixture of propylene and butenes, or a liquid fuel from ethylene.
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41
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Guo L, Zhu W, Miao P, Li F, Guo Z, Sun Q. Intergrowth Silicoaluminophosphate Molecular Sieves Synthesized and Their Catalytic Performances for Methanol to Olefins Reaction. Ind Eng Chem Res 2018. [DOI: 10.1021/acs.iecr.8b02044] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Lei Guo
- National Institute of Clean and Low Carbon
Energy, Beijing 102211, China
| | - Weiping Zhu
- National Institute of Clean and Low Carbon
Energy, Beijing 102211, China
| | - Ping Miao
- National Institute of Clean and Low Carbon
Energy, Beijing 102211, China
| | - Fei Li
- National Institute of Clean and Low Carbon
Energy, Beijing 102211, China
| | - Zhihui Guo
- National Institute of Clean and Low Carbon
Energy, Beijing 102211, China
| | - Qi Sun
- National Institute of Clean and Low Carbon
Energy, Beijing 102211, China
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42
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Excellent catalytic performance for methanol to olefins over SAPO-34 synthesized by controlling hydrothermal temperature. CATAL COMMUN 2018. [DOI: 10.1016/j.catcom.2018.01.033] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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43
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Zhang Y, Zhang X, Zhang J, Li P, Han Q, Xu L, Guo H. Understanding of the dissolution–crystallization fabrication strategy towards macro/microporous ZSM-5 single crystals. CrystEngComm 2018. [DOI: 10.1039/c8ce01201f] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Amounts of NaOH, Si/Al ratios and crystallization temperature together determine the dissolution–crystallization balance and thus the generation of macropores in ZSM-5 crystals.
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Affiliation(s)
- Yanfei Zhang
- State Key Laboratory of Fine Chemicals & School of Chemical Engineering
- Dalian University of Technology
- Dalian 116023
- People's Republic of China
- National Laboratory for Clean Energy
| | - Xiaomin Zhang
- National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- People's Republic of China
| | - Jie Zhang
- National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- People's Republic of China
| | - Peidong Li
- State Key Laboratory of Fine Chemicals & School of Chemical Engineering
- Dalian University of Technology
- Dalian 116023
- People's Republic of China
- National Laboratory for Clean Energy
| | - Qiao Han
- State Key Laboratory of Fine Chemicals & School of Chemical Engineering
- Dalian University of Technology
- Dalian 116023
- People's Republic of China
- National Laboratory for Clean Energy
| | - Lei Xu
- National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- People's Republic of China
| | - Hongchen Guo
- State Key Laboratory of Fine Chemicals & School of Chemical Engineering
- Dalian University of Technology
- Dalian 116023
- People's Republic of China
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44
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Zhao X, Wang L, Guo P, Yan N, Sun T, Lin S, Guo X, Tian P, Liu Z. Synthesis of high-Si hierarchical beta zeolites without mesoporogen and their catalytic application in the methanol to propene reaction. Catal Sci Technol 2018. [DOI: 10.1039/c8cy00631h] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
High-Si single-crystalline beta zeolites with intracrystal mesopores were synthesized for the first time and investigated as catalysts for the methanol to propene (MTP) reaction.
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Affiliation(s)
- Xuebin Zhao
- National Engineering Laboratory for Methanol to Olefins
- Dalian National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
| | - Linying Wang
- National Engineering Laboratory for Methanol to Olefins
- Dalian National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
| | - Peng Guo
- National Engineering Laboratory for Methanol to Olefins
- Dalian National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
| | - Nana Yan
- National Engineering Laboratory for Methanol to Olefins
- Dalian National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
| | - Tantan Sun
- National Engineering Laboratory for Methanol to Olefins
- Dalian National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
| | - Shanfan Lin
- National Engineering Laboratory for Methanol to Olefins
- Dalian National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
| | - 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
| | - Peng Tian
- National Engineering Laboratory for Methanol to Olefins
- Dalian National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
| | - Zhongmin Liu
- National Engineering Laboratory for Methanol to Olefins
- Dalian National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
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45
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Zhang Y, Xu L, Zhang J, Li P, Yuan Y, Guo H, Zhang X, Xu L. Insight into the dissolution–crystallization strategy towards macro/meso/microporous Silicalite-1 zeolites and their performance in the Beckmann rearrangement of cyclohexanone oxime. Catal Sci Technol 2018. [DOI: 10.1039/c8cy00885j] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A dissolution–crystallization strategy was investigated to synthesize macro/meso/microporous Silicalite-1.
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Affiliation(s)
- Yanfei Zhang
- National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Dalian 116023
- People's Republic of China
- University of Chinese Academy of Sciences
| | - Lanjian Xu
- National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Dalian 116023
- People's Republic of China
- University of Chinese Academy of Sciences
| | - Jie Zhang
- National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Dalian 116023
- People's Republic of China
- University of Chinese Academy of Sciences
| | - Peidong Li
- National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Dalian 116023
- People's Republic of China
- University of Chinese Academy of Sciences
| | - Yangyang Yuan
- National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Dalian 116023
- People's Republic of China
| | - Hongchen Guo
- State Key Laboratory of Fine Chemicals & School of Chemical Engineering
- Dalian University of Technology
- Dalian 116023
- People's Republic of China
| | - Xiaomin Zhang
- National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Dalian 116023
- People's Republic of China
| | - Lei Xu
- National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Dalian 116023
- People's Republic of China
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46
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Bakhtiar SUH, Wang X, Ali S, Yuan F, Li Z, Zhu Y. CTAB-assisted size controlled synthesis of SAPO-34 and its contribution toward MTO performance. Dalton Trans 2018; 47:9861-9870. [DOI: 10.1039/c8dt01811a] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
SAPO-34 shows higher light olefin selectivity in the reaction of methanol to olefin (MTO), but its small pore system implies diffusion limitations to bigger molecular products and results in coking too.
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Affiliation(s)
- Syed ul Hasnain Bakhtiar
- Key Laboratory of Functional Inorganic Material Chemistry (Heilongjiang University)
- Ministry of Education
- School of Chemistry and Materials Science
- Heilongjiang University
- Harbin 150080
| | - Xiaotong Wang
- Key Laboratory of Functional Inorganic Material Chemistry (Heilongjiang University)
- Ministry of Education
- School of Chemistry and Materials Science
- Heilongjiang University
- Harbin 150080
| | - Sher Ali
- Key Laboratory of Functional Inorganic Material Chemistry (Heilongjiang University)
- Ministry of Education
- School of Chemistry and Materials Science
- Heilongjiang University
- Harbin 150080
| | - Fulong Yuan
- Key Laboratory of Functional Inorganic Material Chemistry (Heilongjiang University)
- Ministry of Education
- School of Chemistry and Materials Science
- Heilongjiang University
- Harbin 150080
| | - Zhibin Li
- Key Laboratory of Functional Inorganic Material Chemistry (Heilongjiang University)
- Ministry of Education
- School of Chemistry and Materials Science
- Heilongjiang University
- Harbin 150080
| | - Yujun Zhu
- Key Laboratory of Functional Inorganic Material Chemistry (Heilongjiang University)
- Ministry of Education
- School of Chemistry and Materials Science
- Heilongjiang University
- Harbin 150080
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47
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Kong C, Zhu J, Liu S, Wang Y. SAPO-34 with a low acidity outer layer by epitaxial growth and its improved MTO performance. RSC Adv 2017. [DOI: 10.1039/c7ra06488h] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
SAPO-34 catalyst with a low acidity outer layer was synthesized by epitaxial growth, and its MTO performance was improved.
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Affiliation(s)
- Chuiyan Kong
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology
- Department of Chemical Engineering
- Tsinghua University
- Beijing
- China
| | - Jiang Zhu
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology
- Department of Chemical Engineering
- Tsinghua University
- Beijing
- China
| | - Senyuan Liu
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology
- Department of Chemical Engineering
- Tsinghua University
- Beijing
- China
| | - Yao Wang
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology
- Department of Chemical Engineering
- Tsinghua University
- Beijing
- China
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48
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Zhang J, Huang Z, Li P, Zhang X, Zhang X, Yuan Y, Xu L. Elucidating the reaction pathway for ethene and propene formation in the methanol-to-hydrocarbons reaction over high silica H-Beta. Catal Sci Technol 2017. [DOI: 10.1039/c7cy00288b] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
High silica H-Beta exhibits high propene selectivity in methanol conversion due to the participation of an olefins-based cycle and domination of higher methylbenzenes in an aromatics-based cycle.
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Affiliation(s)
- Jie Zhang
- National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- People's Republic of China
| | - Zhihua Huang
- National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- People's Republic of China
| | - Peidong Li
- National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- People's Republic of China
| | - Xiaomin Zhang
- National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- People's Republic of China
| | - Xinzhi Zhang
- National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- People's Republic of China
| | - Yangyang Yuan
- National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- People's Republic of China
| | - Lei Xu
- National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- People's Republic of China
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49
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Wu P, Yang M, Zhang W, Xu S, Guo P, Tian P, Liu Z. Synthesis of SAPO-34 nanoaggregates with the assistance of an inexpensive three-in-one non-surfactant organosilane. Chem Commun (Camb) 2017; 53:4985-4988. [DOI: 10.1039/c7cc01834g] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
SAPO-34 nanoaggregates with improved MTO reaction catalytic activity were synthesized by the assistance of tri-functional organosilane PZPMS.
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Affiliation(s)
- Pengfei Wu
- National Engineering Laboratory for Methanol to Olefins
- Dalian National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian
| | - Miao Yang
- National Engineering Laboratory for Methanol to Olefins
- Dalian National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian
| | - Wenna Zhang
- National Engineering Laboratory for Methanol to Olefins
- Dalian National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian
| | - Shutao Xu
- National Engineering Laboratory for Methanol to Olefins
- Dalian National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian
| | - Peng Guo
- National Engineering Laboratory for Methanol to Olefins
- Dalian National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian
| | - Peng Tian
- National Engineering Laboratory for Methanol to Olefins
- Dalian National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian
| | - Zhongmin Liu
- National Engineering Laboratory for Methanol to Olefins
- Dalian National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian
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50
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Xu Z, Li J, Qian W, Ma H, Zhang H, Ying W. Synthesis of core–shell SAPO-34@SAPO-18 composites by the epitaxial growth method and their catalytic properties for the MTO reaction. RSC Adv 2017. [DOI: 10.1039/c7ra11395a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
A core/shell-structured SAPO-34@SAPO-18 composite catalyst was hydrothermally synthesized through the epitaxial growth method.
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Affiliation(s)
- Zhiqiang Xu
- Engineering Research Center of Large Scale Reactor Engineering and Technology
- Ministry of Education
- State Key Laboratory of Chemical Engineering
- East China University of Science and Technology
- Shanghai 200237
| | - Jianwen Li
- Engineering Research Center of Large Scale Reactor Engineering and Technology
- Ministry of Education
- State Key Laboratory of Chemical Engineering
- East China University of Science and Technology
- Shanghai 200237
| | - Weixin Qian
- Engineering Research Center of Large Scale Reactor Engineering and Technology
- Ministry of Education
- State Key Laboratory of Chemical Engineering
- East China University of Science and Technology
- Shanghai 200237
| | - Hongfang Ma
- Engineering Research Center of Large Scale Reactor Engineering and Technology
- Ministry of Education
- State Key Laboratory of Chemical Engineering
- East China University of Science and Technology
- Shanghai 200237
| | - Haitao Zhang
- Engineering Research Center of Large Scale Reactor Engineering and Technology
- Ministry of Education
- State Key Laboratory of Chemical Engineering
- East China University of Science and Technology
- Shanghai 200237
| | - Weiyong Ying
- Engineering Research Center of Large Scale Reactor Engineering and Technology
- Ministry of Education
- State Key Laboratory of Chemical Engineering
- East China University of Science and Technology
- Shanghai 200237
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