Solid-state NMR studies of methanol-to-aromatics reaction over silver exchanged HZSM-5 zeolite

被引：33
|
作者：
Zeng, Danfin [1 ]
Yang, Jun [1 ]
Wang, Jiqing [1 ]
Xu, Jun [1 ]
Yang, Yongxia [1 ]
Ye, Chaohui [1 ]
Deng, Feng [1 ]
机构：
[1] Chinese Acad Sci, Wuhan Inst Phys & Math, State Key Lab Magnet Resonance & Atom & Mol Phys, Wuhan 430071, Peoples R China
来源：
MICROPOROUS AND MESOPOROUS MATERIALS | 2007年 / 98卷 / 1-3期
基金：
中国国家自然科学基金;
关键词：
methanol conversion to aromatics; AgZSM-5; solid-state NMR;
D O I：
10.1016/j.micromeso.2006.09.012
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Solid-state NMR spectroscopy was used to study the conversion of methanol to aromatics (MTA) over silver exchanged HZSM-5 zeolites. It is the silver oxide rather than silver cation that plays a crucial role for the MTA reaction. The aromatic products (mainly toluene and benzene) are formed at the expense of the small alkanes (mainly propane and isobutane). AgZSM-5 zeolite calcined in air shows much higher activity and selectivity for the MTA conversion compared with AgZSM-5 zeolite calcined in vacuum or HZSM-5 zeolite. A possible reaction mechanism is proposed for the MTA conversion on the AgZSM-5 zeolite. (C) 2006 Elsevier Inc. All rights reserved.
引用
收藏
页码：214 / 219
页数：6
相关论文
共 50 条
  • [1] INSITU SOLID-STATE NMR-STUDY OF METHANOL-TO-GASOLINE CHEMISTRY IN ZEOLITE HZSM-5
    MUNSON, EJ
    KHEIR, AA
    LAZO, ND
    HAW, JF
    JOURNAL OF PHYSICAL CHEMISTRY, 1992, 96 (19): : 7740 - 7746
  • [2] Mesoporous HZSM-5 zeolite microsphere for methanol to aromatics
    Zhang, Kan
    Liu, Ping
    Lyu, Zhanjun
    Zhao, Ning
    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 2017, 254
  • [3] Solid-state NMR investigation of acid sites in dealuminated HZSM-5 zeolite
    Deng, F
    Du, YR
    Ye, CH
    MAGNETIC RESONANCE IMAGING, 1996, 14 (7-8) : 945 - 946
  • [4] Core-shell structured catalyst of HZSM-5 zeolite supported on stainless steel fiber for methanol-to-aromatics
    Zhang, Meng
    Fang, Yuehua
    Yang, Fan
    Zhu, Xuedong
    PETROLEUM SCIENCE AND TECHNOLOGY, 2020, 38 (02) : 83 - 90
  • [5] Insight into the Formation of COX By-Products in Methanol-to-Aromatics Reaction over Zn/HZSM-5: Significantly Affected by the Chemical State of Surface Zn Species
    Li, Junhui
    Gong, Qing
    Liu, Yifei
    Kang, Rongrong
    Yang, Chengguang
    Qiu, Minghuang
    Hu, Zhonghua
    Zhu, Zhirong
    CHEMCATCHEM, 2019, 11 (19) : 4755 - 4764
  • [6] Effect of crystal size on the catalytic performance of HZSM-5 Zeolite in the methanol to aromatics reaction
    Zhang, Yongkun
    Qu, Yixin
    Wang, Jidong
    PETROLEUM SCIENCE AND TECHNOLOGY, 2018, 36 (12) : 898 - 903
  • [7] Ethanol conversion into olefins and aromatics over HZSM-5 zeolite: Influence of reaction conditions and surface reaction studies
    Sousa, Zilacleide S. B.
    Veloso, Claudia O.
    Henriques, Cristiane A.
    da Silva, Victor Teixeira
    JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL, 2016, 422 : 266 - 274
  • [8] SOLID-STATE NMR AND CATALYTIC STUDIES OF MILDLY HYDROTHERMALLY DEALUMINATED HZSM-5
    BRUNNER, E
    ERNST, H
    FREUDE, D
    HUNGER, M
    KRAUSE, CB
    PRAGER, D
    RESCHETILOWSKI, W
    SCHWIEGER, W
    BERGK, KH
    ZEOLITES, 1989, 9 (04): : 282 - 286
  • [9] The stability of nanosized HZSM-5 zeolite: a high-resolution solid-state NMR study
    Zhang, WP
    Han, XW
    Liu, XM
    Bao, XH
    MICROPOROUS AND MESOPOROUS MATERIALS, 2001, 50 (01) : 13 - 23
  • [10] Methanol to Propylene over Nanosheets of HZSM-5 Zeolite
    Zhang Shao-Long
    Zhang Lan-Lan
    Wang Wu-Gang
    Min Yuan-Yuan
    Tong, Ma
    Yu, Song
    Yan-Jun, Gong
    Tao, Dou
    ACTA PHYSICO-CHIMICA SINICA, 2014, 30 (03) : 535 - 543
12345