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Ma Q, Fu T, Ren K, Li H, Jia L, Li Z. Controllable Orientation Growth of ZSM-5 for Methanol to Hydrocarbon Conversion: Cooperative Effects of Seed Induction and Medium pH Control. Inorg Chem 2022; 61:13802-13816. [PMID: 36001749 DOI: 10.1021/acs.inorgchem.2c01628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The growth orientation of ZSM-5 zeolites strongly affects product selectivity in methanol conversion reaction. Here, we proposed a versatile synthetic strategy by introducing seeds and controlling medium pH to achieve controllable orientation growth of ZSM-5. The systematic analysis of the crystallization process indicated that the introduction of seeds ensured successful crystallization in a quasi-neutral solution and the dissolution rate of seeds and aluminosilicate determined the growth orientation of ZSM-5. In the quasi-neutral solution, the slow dissolution of seeds and aluminosilicate enhanced growth advantages along the c axis. The ratio between the length of the c axis and b axis (Lc/Lb) of the obtained ZSM-5 at pH of 7 could reach 8.1, much higher than 1.8 obtained at pH of 11. No obvious impact of seed added amount on growth orientation was found, while with increasing seed crystal size, the obtained ZSM-5 showed preferred growth along the c axis. The Lc/Lb of the sample adding seeds with a size of 355 nm reached 7.9, much higher than 2.1 of the sample adding seeds with a size of 70 nm. The obtained ZSM-5 with specific growth orientation exhibited potential shape selectivity in methanol to aromatics and olefin reaction. This work opens new possibilities to tailor the orientation growth of ZSM-5 based on the seed-induced strategy under mild conditions.
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Affiliation(s)
- Qian Ma
- Key Laboratory of Coal Science and Technology of Ministry of Education and Shanxi Province, Institute of Coal Chemical Engineering, Taiyuan University of Technology, Taiyuan030024, Shanxi, China
| | - Tingjun Fu
- Key Laboratory of Coal Science and Technology of Ministry of Education and Shanxi Province, Institute of Coal Chemical Engineering, Taiyuan University of Technology, Taiyuan030024, Shanxi, China
| | - Kun Ren
- Key Laboratory of Coal Science and Technology of Ministry of Education and Shanxi Province, Institute of Coal Chemical Engineering, Taiyuan University of Technology, Taiyuan030024, Shanxi, China
| | - Han Li
- Key Laboratory of Coal Science and Technology of Ministry of Education and Shanxi Province, Institute of Coal Chemical Engineering, Taiyuan University of Technology, Taiyuan030024, Shanxi, China
| | - Lihan Jia
- Key Laboratory of Coal Science and Technology of Ministry of Education and Shanxi Province, Institute of Coal Chemical Engineering, Taiyuan University of Technology, Taiyuan030024, Shanxi, China
| | - Zhong Li
- Key Laboratory of Coal Science and Technology of Ministry of Education and Shanxi Province, Institute of Coal Chemical Engineering, Taiyuan University of Technology, Taiyuan030024, Shanxi, China
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Wang H, Liu L, Wang J, Li C, Hou J, Zheng K. The Development of iDPC-STEM and Its Application in Electron Beam Sensitive Materials. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27123829. [PMID: 35744947 PMCID: PMC9231126 DOI: 10.3390/molecules27123829] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Revised: 05/31/2022] [Accepted: 06/01/2022] [Indexed: 11/16/2022]
Abstract
The main aspects of material research: material synthesis, material structure, and material properties, are interrelated. Acquiring atomic structure information of electron beam sensitive materials by electron microscope, such as porous zeolites, organic-inorganic hybrid perovskites, metal-organic frameworks, is an important and challenging task. The difficulties in characterization of the structures will inevitably limit the optimization of their synthesis methods and further improve their performance. The emergence of integrated differential phase contrast scanning transmission electron microscopy (iDPC-STEM), a STEM characterization technique capable of obtaining images with high signal-to-noise ratio under lower doses, has made great breakthroughs in the atomic structure characterization of these materials. This article reviews the developments and applications of iDPC-STEM in electron beam sensitive materials, and provides an outlook on its capabilities and development.
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Xiong H, Liu Z, Chen X, Wang H, Qian W, Zhang C, Zheng A, Wei F. In situ imaging of the sorption-induced subcell topological flexibility of a rigid zeolite framework. Science 2022; 376:491-496. [PMID: 35482872 DOI: 10.1126/science.abn7667] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
The crystallographic pore sizes of zeolites are substantially smaller than those inferred from catalytic transformation and molecular sieving capabilities, which reflects flexible variation in zeolite opening pores. Using in situ electron microscopy, we imaged the straight channels of ZSM-5 zeolite with benzene as a probe molecule and observed subcell flexibility of the framework. The opening pores stretched along the longest direction of confined benzene molecules with a maximum aspect change of 15%, and the Pnma space group symmetry of the MFI framework caused adjacent channels to deform. This compensation maintained the stability and rigidity of the overall unit cell within 0.5% deformation. The subcell flexibility originates mainly from the topologically soft silicon-oxygen-silicon hinges between rigid tetrahedral SiO4 units, with inner angles varying from 135° to 153°, as confirmed by ab initio molecular dynamics simulations.
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Affiliation(s)
- Hao Xiong
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Zhiqiang Liu
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan 430071, China
| | - Xiao Chen
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Huiqiu Wang
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Weizhong Qian
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Chenxi Zhang
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Anmin Zheng
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan 430071, China
| | - Fei Wei
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
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Niu X, Bai Y, Du YE, Qi H, Chen Y. Size controllable synthesis of ZSM-5 zeolite and its catalytic performance in the reaction of methanol conversion to aromatics. ROYAL SOCIETY OPEN SCIENCE 2022; 9:211284. [PMID: 35345428 PMCID: PMC8941405 DOI: 10.1098/rsos.211284] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 02/17/2022] [Indexed: 06/14/2023]
Abstract
ZSM-5 zeolites were hydrothermally synthesized with commercial silica sol, and the crystal size was controlled by adding silicalite-1 seed in the synthetic system. The crystal size of ZSM-5 was affected by the crystallization time of seed, seed content and seed size. ZSM-5 zeolites with controllable particle size in the range of 200-2200 nm could be obtained. The prepared samples with different particle sizes were used for the reaction of methanol conversion to aromatics (MTA). The results suggested that the HZSM-5 catalyst with small crystal size showed much longer catalyst lifetime and higher selectivity for C5 + hydrocarbons and aromatics, especially C9 + aromatics in the MTA reaction. Moreover, the introduction of zinc (Zn) into the HZSM-5 zeolites can considerably promote the selectivity to aromatics in the products. Zn modified HZSM-5 zeolites with different Zn loading amounts were prepared by the incipient wetness impregnation method, and the highest aromatics selectivity was obtained when the Zn loading was 1.0%. The improvement of methanol aromatization was ascribed to the synergistic effect of Brønsted acid sites and the newly formed Zn-Lewis acid sites.
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Affiliation(s)
- Xianjun Niu
- Department of Chemistry and Chemical Engineering, Jinzhong University, Jinzhong, Shanxi 030619, People's Republic of China
| | - Yang Bai
- Department of Chemistry and Chemical Engineering, Jinzhong University, Jinzhong, Shanxi 030619, People's Republic of China
| | - Yi-en Du
- Department of Chemistry and Chemical Engineering, Jinzhong University, Jinzhong, Shanxi 030619, People's Republic of China
| | - Hongxue Qi
- Department of Chemistry and Chemical Engineering, Jinzhong University, Jinzhong, Shanxi 030619, People's Republic of China
| | - Yongqiang Chen
- Department of Chemistry and Chemical Engineering, Jinzhong University, Jinzhong, Shanxi 030619, People's Republic of China
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Dai C, Du K, Chen Z, Chen H, Guo X, Ma X. Synergistic Catalysis of Multi-Stage Pore-Rich H-BZSM-5 and Zn-ZSM-5 for the Production of Aromatic Hydrocarbons from Methanol via Lower Olefins. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c05225] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Chengyi Dai
- School of Chemical Engineering, Northwest University, Xi’an 710069, China
- International Science & Technology Cooperation Base for Clean Utilization of Hydrocarbon Resources, Chemical Engineering Research Center of the Ministry of Education for Advanced Use Technology of Shanbei Energy, Collaborative Innovation Center for Development of Energy and Chemical Industry in Northern Shaanxi, Northwest University, Xi’an 710069, China
| | - Kang Du
- School of Chemical Engineering, Northwest University, Xi’an 710069, China
| | - Zhongshun Chen
- School of Chemical Engineering, Northwest University, Xi’an 710069, China
| | - Huiyong Chen
- School of Chemical Engineering, Northwest University, Xi’an 710069, China
- International Science & Technology Cooperation Base for Clean Utilization of Hydrocarbon Resources, Chemical Engineering Research Center of the Ministry of Education for Advanced Use Technology of Shanbei Energy, Collaborative Innovation Center for Development of Energy and Chemical Industry in Northern Shaanxi, Northwest University, Xi’an 710069, China
| | - Xinwen Guo
- School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Xiaoxun Ma
- School of Chemical Engineering, Northwest University, Xi’an 710069, China
- International Science & Technology Cooperation Base for Clean Utilization of Hydrocarbon Resources, Chemical Engineering Research Center of the Ministry of Education for Advanced Use Technology of Shanbei Energy, Collaborative Innovation Center for Development of Energy and Chemical Industry in Northern Shaanxi, Northwest University, Xi’an 710069, China
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Ghanbari B, Kazemi Zangeneh F, Taheri Rizi Z, Aghaei E. High-Impact Promotional Effect of Mo Impregnation on Aluminum-Rich and Alkali-Treated Hierarchical Zeolite Catalysts on Methanol Aromatization. ACS OMEGA 2020; 5:11971-11986. [PMID: 32548376 PMCID: PMC7271033 DOI: 10.1021/acsomega.9b04407] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Accepted: 05/07/2020] [Indexed: 06/11/2023]
Abstract
A systematic change of HZSM-5 (HZ5) as a catalyst of the methanol to aromatics (MTA) reaction was undertaken by employing a fixed-bed tubular-type reactor under ambient pressure, applying a weight hourly space velocity (WHSV) of 2 h-1 at 375 °C, as the first report on the application of low-Si/Al-ratio alkaline-[Mo,Na]-HZSM-5 in the MTA process. To characterize the surface and textural properties of the catalysts, powder X-ray diffraction (PXRD), nitrogen adsorption/desorption, temperature-programmed desorption of ammonia (NH3-TPD), pyridine-infrared spectroscopy (Py-IR), thermogravimetric analysis (TGA), and energy-dispersive X-ray (EDX) methods were employed. Gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS) measurements demonstrated a selectivity of up to 86 wt % (65.7 wt % for benzene, toluene, and xylene (BTX)) over 2[Mo]HZ5. NH3-TPD and Py-IR results indicated a sensible decrease of strong acid sites on the impregnated samples, while the surface analyses revealed the highest Lewis acid sites (LAS) together with the largest mesopore surface area for 2[Mo]alk-HZ5, supporting the migration of Mo species to the bulk of the catalysts. Mo impregnation had a minor effect on the observed coke formation in the promoted catalyst.
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Affiliation(s)
- Bahram Ghanbari
- Department
of Chemistry, Sharif University of Technology, P.O. Box 11155-3516, Tehran, Iran
| | | | - Zahra Taheri Rizi
- Research
Institute of Petroleum Industry, P.O. Box 1485733111, Tehran, Iran
| | - Erfan Aghaei
- Research
Institute of Petroleum Industry, P.O. Box 1485733111, Tehran, Iran
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8
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Shen B, Chen X, Cai D, Xiong H, Liu X, Meng C, Han Y, Wei F. Atomic Spatial and Temporal Imaging of Local Structures and Light Elements inside Zeolite Frameworks. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1906103. [PMID: 31782558 DOI: 10.1002/adma.201906103] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 11/09/2019] [Indexed: 06/10/2023]
Abstract
Identifying the atomic structures of porous materials in spatial and temporal dimensions by (scanning) transmission electron microscope ((S)TEM) is significant for their wide applications in catalysis, separation and energy storage. However, the sensitivity of materials to electron beams made it difficult to reduce the electron damage to specimens while maintaining the resolution and signal-to-noise ratio. It is therefore still challenging to capture multiple images of the same area in one crystal to image the temporal changes of lattices. Usings integrated differential phase contrast (iDPC) STEM, atomic-resolution imaging of beam-sensitive zeolite frameworks is achieved with an ultralow dose of 40 e- Å-2 , 2-3 orders of magnitude lower than that of conventional STEM. Based on the iDPC technique, not only the atomic 3D architecture of ZSM-5 crystals but also the changes of frameworks are observed during in situ experiments. Local structures and light-element aromatics in ZSM-5 crystals can also be revealed directly under iDPC-STEM. These results provided not only an efficient tool to image beam-sensitive materials with ultralow beam current but also a new strategy to observe and investigate the hydrocarbon pools in zeolite catalysts at the single-molecule scale.
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Affiliation(s)
- Boyuan Shen
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China
| | - Xiao Chen
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China
| | - Dali Cai
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China
| | - Hao Xiong
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China
| | - Xin Liu
- School of Chemistry, Dalian University of Technique, Dalian, 116024, China
- KAUST Catalysis Center, Physical Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia
| | - Changgong Meng
- School of Chemistry, Dalian University of Technique, Dalian, 116024, China
| | - Yu Han
- KAUST Catalysis Center, Physical Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia
- Advanced Membranes and Porous Materials Center, Physical Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia
| | - Fei Wei
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China
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9
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Zhang J, Wang L, Wu Z, Wang H, Wang C, Han S, Xiao FS. Solvent-Free Synthesis of Core–Shell Zn/ZSM-5@Silicalite-1 Catalyst for Selective Conversion of Methanol to BTX Aromatics. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b03357] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jian Zhang
- Beijing Advanced Innovation Center for Soft Matter, Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
- Key Laboratory of Applied Chemistry of Zhejiang Province, Department of Chemistry, Zhejiang University, Hangzhou 310028, China
| | - Liang Wang
- Key Lab of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Zhiyi Wu
- Beijing Advanced Innovation Center for Soft Matter, Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Hai Wang
- Key Lab of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Chengtao Wang
- Key Laboratory of Applied Chemistry of Zhejiang Province, Department of Chemistry, Zhejiang University, Hangzhou 310028, China
| | - Shichao Han
- Key Laboratory of Applied Chemistry of Zhejiang Province, Department of Chemistry, Zhejiang University, Hangzhou 310028, China
| | - Feng-Shou Xiao
- Beijing Advanced Innovation Center for Soft Matter, Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
- Key Lab of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
- Key Laboratory of Applied Chemistry of Zhejiang Province, Department of Chemistry, Zhejiang University, Hangzhou 310028, China
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10
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Qureshi BA, Lan X, Arslan MT, Wang T. Highly Active and Selective Nano H-ZSM-5 Catalyst with Short Channels along b-Axis for Glycerol Dehydration to Acrolein. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b01882] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Babar Ali Qureshi
- Beijing Key Laboratory of Green Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Xiaocheng Lan
- Beijing Key Laboratory of Green Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Muhammad Tahir Arslan
- Beijing Key Laboratory of Green Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Tiefeng Wang
- Beijing Key Laboratory of Green Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
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11
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Cai D, Wang N, Chen X, Ma Y, Hou Y, Li X, Zhang C, Chen Z, Song W, Arslan MT, Li Y, Wang Y, Qian W, Wei F. Highly selective conversion of methanol to propylene: design of an MFI zeolite with selective blockage of (010) surfaces. NANOSCALE 2019; 11:8096-8101. [PMID: 30976771 DOI: 10.1039/c8nr10371b] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
As an important catalyst of methanol-to-propylene (MTP) conversion, the ZSM-5 zeolite has an anisotropic diffusion path and a large pore size, resulting in the formation of undesirable heavy aromatic by-products. Herein, we developed a surface-specific silica deposition method to block straight channels of nanosized ZSM-5 crystals selectively. By such a coating method, we can selectively suppress the yield of aromatics from the original 13% to 2.4% at 100% conversion of methanol. Trapped hydrocarbon pool species are directly confirmed by aberration-corrected S/TEM for the first time. Such a method of trapping and restricting hydrocarbon pool species in a multiscale zeolite with 10-membered rings would significantly increase its catalytic efficiency and olefin diffusion. Moreover, this provides new methodologies for zeolite structure construction and will be greatly beneficial for the industrial MTP process.
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Affiliation(s)
- Dali Cai
- Beijing Key Laboratory of Green Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing, China.
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12
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Zhang C, Qian W, Wang Y, Luo G, Wei F. Heterogeneous catalysis in multi-stage fluidized bed reactors: From fundamental study to industrial application. CAN J CHEM ENG 2019. [DOI: 10.1002/cjce.23425] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Chenxi Zhang
- Beijing Key Laboratory of Green Reaction Engineering and Technology; Department of Chemical Engineering; Tsinghua University; Beijing 100084 China
| | - Weizhong Qian
- Beijing Key Laboratory of Green Reaction Engineering and Technology; Department of Chemical Engineering; Tsinghua University; Beijing 100084 China
| | - Yao Wang
- Beijing Key Laboratory of Green Reaction Engineering and Technology; Department of Chemical Engineering; Tsinghua University; Beijing 100084 China
| | - Guohua Luo
- Beijing Key Laboratory of Green Reaction Engineering and Technology; Department of Chemical Engineering; Tsinghua University; Beijing 100084 China
| | - Fei Wei
- Beijing Key Laboratory of Green Reaction Engineering and Technology; Department of Chemical Engineering; Tsinghua University; Beijing 100084 China
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13
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Hu Q, Huang X, Cui Y, Luo T, Tang X, Wang T, Qian W, Wei F. High yield production of C2–C3 olefins and para-xylene from methanol using a SiO2-coated FeOx/ZSM-5 catalyst. RSC Adv 2017. [DOI: 10.1039/c7ra04111j] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
SiO2-coated FeOx/ZSM-5 catalyst exhibited long life time to produce C2–C3 olefins and para-xylene in high yield.
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Affiliation(s)
- Qiongfang Hu
- Department of Chemical Engineering
- Tsinghua University
- China
| | - Xiaofan Huang
- Coal Chemical Industry Division
- Huadian Coal Industry Group Co. Ltd
- Beijing 100031
- China
- Shanxi Yuheng Chemical Co
| | - Yu Cui
- Department of Chemical Engineering
- Tsinghua University
- China
- Coal Chemical Industry Division
- Huadian Coal Industry Group Co. Ltd
| | - Tengfa Luo
- Shanxi Yuheng Chemical Co
- Huadian Coal Industry Group Co. Ltd
- Yulin
- China
| | - Xiaoping Tang
- Department of Chemical Engineering
- Tsinghua University
- China
- Coal Chemical Industry Division
- Huadian Coal Industry Group Co. Ltd
| | - Tong Wang
- Department of Chemical Engineering
- Tsinghua University
- China
- Coal Chemical Industry Division
- Huadian Coal Industry Group Co. Ltd
| | - Weizhong Qian
- Department of Chemical Engineering
- Tsinghua University
- China
| | - Fei Wei
- Department of Chemical Engineering
- Tsinghua University
- China
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14
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Hou Y, Wang N, Zhang J, Qian W. Highly selective synthesis of large aromatic molecules with nano-zeolite: beyond the shape selectivity effect. RSC Adv 2017. [DOI: 10.1039/c6ra28844h] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
We report a combination of the shape selectivity effect of zeolites and external surface alkylation to produce larger molecules.
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Affiliation(s)
- Yilin Hou
- Department of Chemical Engineering
- Tsinghua University
- China
| | - Ning Wang
- Department of Chemical Engineering
- Tsinghua University
- China
| | - Jianmei Zhang
- School of Mechanical and Vehicle Engineering
- Changzhou Institute of Technology
- China
| | - Weizhong Qian
- Department of Chemical Engineering
- Tsinghua University
- China
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