The Deactivation Modes of Cu/ZnO/Al2O3 and HZSM-5 Physical Mixture in the One-Step DME Synthesis

被引：29
|
作者：
Barbosa, Flavia S. R. [2 ]
Ruiz, Vanusa S. O. [1 ]
Monteiro, Jose L. F. [3 ]
de Avillez, Roberto R. [4 ]
Borges, Luiz E. P. [2 ]
Appel, Lucia G. [1 ]
机构：
[1] Inst Nacl Tecnol MCT, BR-22081312 Rio De Janeiro, Brazil
[2] Inst Militar Engn, BR-22290270 Rio De Janeiro, Brazil
[3] Univ Fed Rio de Janeiro, NUCAT COPPE, BR-21941 Rio De Janeiro, Brazil
[4] Pontificia Univ Catolica Rio de Janeiro, BR-22453900 Rio De Janeiro, Brazil
来源：
CATALYSIS LETTERS | 2008年 / 126卷 / 1-2期
关键词：
Deactivation; DME; Methanol; ZSM-5; Copper;
D O I：
10.1007/s10562-008-9601-7
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The CO(2) production by shift reaction and the deactivation process are the drawbacks of the One-Step DME Synthesis. Therefore, this contribution discusses possible deactivation modes taking into account the catalytic performance and the characterization of spent catalysts using XRD, TG and FTIR techniques. For this purpose a physical mixture that contains a commercial methanol catalyst and ZSM-5 was employed. It can be suggested that one of the main modes of catalyst deactivation is the hydrocarbon formation by MTG reactions. Changes in the interaction between Cu(0) and ZnO should also be considered. The results show that both of them are affected by H(2)/CO ratio.
引用
收藏
页码：173 / 178
页数：6
相关论文
共 50 条
  • [41] Bimetallic Pd–Cu/ZnO–Al2O3 and Pd–Cu/ZrO2–Al2O3 catalysts for methanol synthesis
    Mierczynski P.
    Ciesielski R.
    Kedziora A.
    Maniukiewicz W.
    Maniecki T.P.
    Catalysis in Industry, 2017, 9 (2) : 99 - 103
  • [42] Effects of Cu-ZnO Content on Reaction Rate for Direct Synthesis of DME from Syngas with Bifunctional Cu-ZnO/γ-Al2O3 Catalyst
    Jeong, Ji Woo
    Ahn, Chang-Il
    Lee, Dong Hyun
    Um, Soong Ho
    Bae, Jong Wook
    CATALYSIS LETTERS, 2013, 143 (07) : 666 - 672
  • [43] HZSM-5 supported silica-zirconia and its application in one-step synthesis of methyl isobutyl ketone
    Liu, Yanxia
    Sun, Kunpeng
    Xu, Xianlun
    Wang, Xiaolai
    CATALYSIS COMMUNICATIONS, 2010, 11 (05) : 322 - 325
  • [44] One Step Dimethyl Ether (DME) Synthesis from CO2 Hydrogenation over Hybrid Catalysts Containing Cu/ZnO/Al2O3 and Nano-Sized Hollow ZSM-5 Zeolites
    Karima Krim
    Alexander Sachse
    Anthony Le Valant
    Yannick Pouilloux
    Smain Hocine
    Catalysis Letters, 2023, 153 : 83 - 94
  • [45] Single-step dimethyl ether synthesis on a Cu/ZnO/Al2O3/ZrO2 +γ-Al2O3 bifunctional catalyst in slurry reactor
    Zuo, Yi-Zan
    Zhang, Qiang
    An, Xin
    Han, Ming-Han
    Wang, Tie-Feng
    Wang, Jin-Fu
    Jin, Yong
    Ranliao Huaxue Xuebao/Journal of Fuel Chemistry and Technology, 2010, 38 (01): : 102 - 107
  • [46] One Step Dimethyl Ether (DME) Synthesis from CO2 Hydrogenation over Hybrid Catalysts Containing Cu/ZnO/Al2O3 and Nano-Sized Hollow ZSM-5 Zeolites
    Krim, Karima
    Sachse, Alexander
    Le Valant, Anthony
    Pouilloux, Yannick
    Hocine, Smain
    CATALYSIS LETTERS, 2023, 153 (01) : 83 - 94
  • [47] One-step synthesis of methylal via methanol oxidation by Mo:Fe(x)/HZSM-5 bifunctional catalyst
    Yuan, Meng
    Che, Yuanjun
    Tang, Ruiyuan
    Li, Shen
    Zhang, Yanpeng
    Tian, Yuanyu
    Qiao, Yingyun
    Liu, Qing
    Li, Dawei
    FUEL, 2020, 261
  • [48] Deactivation Kinetics for Direct Dimethyl Ether Synthesis on a CuO-ZnO-Al2O3/γ-Al2O3 Catalyst
    Sierra, Irene
    Erena, Javier
    Aguayo, Andres T.
    Olazar, Martin
    Bilbao, Javier
    INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 2010, 49 (02) : 481 - 489
  • [49] One-step synthesis of Ni-Mn-Al-O thin film on Al2O3 substrate via hydrothermal method
    Liang, Sen
    Cao, Changgong
    Li, Haibo
    Luo, Min
    Gao, Mangmang
    Qin, Xiaogan
    MICROELECTRONIC ENGINEERING, 2017, 182 : 53 - 56
  • [50] Controllable one-step synthesis of CuO, Cu2O and Cu
    Zhao, J. G.
    Yang, S. H.
    Yang, S. G.
    CRYSTAL RESEARCH AND TECHNOLOGY, 2012, 47 (10) : 1064 - 1068
12345