CO2 reforming of CH4 on doped Rh/Al2O3 catalysts

被引：38
|
作者：
Sarusi, I. [1 ]
Fodor, K. [1 ]
Baan, K. [1 ]
Oszko, A. [1 ]
Potari, G. [1 ]
Erdohelyi, A. [1 ,2 ]
机构：
[1] Univ Szeged, Inst Phys Chem & Mat Sci, H-6725 Szeged, Hungary
[2] Hungarian Acad Sci, React Kinet Lab, Chem Res Ctr, H-6725 Szeged, Hungary
来源：
CATALYSIS TODAY | 2011年 / 171卷 / 01期
关键词：
Dry reforming of methane; Reaction of methane with carbon dioxide; Promoted alumina supported Rh catalyst; Dissociation of carbon dioxide; SUPPORTED RH CATALYSTS; PROMOTED RH/SIO2 CATALYSTS; RHODIUM CATALYSTS; SURFACE INTERACTION; CARBON-DIOXIDE; METHANE; HYDROGENATION; ACTIVATION; OXIDATION; SELECTIVITY;
D O I：
10.1016/j.cattod.2011.03.075
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The reforming of methane with carbon dioxide has been investigated at 773 K on Rh/Al2O3 promoted with TiO2 and V2O5. In addition, the dissociation of carbon dioxide and methane has also been examined. TPR and XPS results revealed that during the pre-treatment of the catalysts not only Rh reduced but also TiO2 slightly and V2O5 significantly to V4+ below 600 K. The dissociation of carbon dioxide occurred most easily on vanadia promoted catalyst. Vanadia and titania promoted Rh/Al2O3 was found to be more active in the CO2 + CH4 reaction than the Rh/Al2O3. The increase of the conversion observed on V2O5 and TiO2 promoted Rh/Al2O3 catalysts could be attributed to the oxygen vacancies which formed on the additives during the pretreatment and the reaction. (C) 2011 Elsevier B. V. All rights reserved.
引用
收藏
页码：132 / 139
页数：8
相关论文
共 50 条
  • [31] A semiempirical theoretical study of Ni/α-Al2O3 and NiSn/α-Al2O3 catalysts for CH4 reforming
    Ferreira, ML
    Nichio, NN
    Ferretti, OA
    JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL, 2003, 202 (1-2) : 197 - 213
  • [32] Physicochemical Characterization of Al2O3 Supported Ni-Rh Systems and their Catalytic Performance in CH4/CO2 Reforming
    Nowosielska, M.
    Jozwiak, W. K.
    Rynkowski, J.
    CATALYSIS LETTERS, 2009, 128 (1-2) : 83 - 93
  • [33] Catalysts for CO2 reforming of CH4: a review
    Li, Meijia
    Sun, Zhuxing
    Hu, Yun Hang
    JOURNAL OF MATERIALS CHEMISTRY A, 2021, 9 (21) : 12495 - 12520
  • [34] Modification effect of natural mixed rare earths on Co/γ-Al2O3 catalysts for CH4/CO2 reforming to synthesis gas
    Zeng, Shanghong
    Zhang, Lei
    Zhang, Xiaohong
    Wang, Yan
    Pan, Hui
    Su, Haiquan
    INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 2012, 37 (13) : 9994 - 10001
  • [35] The preparation of ordered mesoporous Al2O3 and its application in Ni-based catalysts for CH4/CO2 reforming
    Mo, Wenlong
    Ma, Fengyun
    Liu, Hongxia
    Hao, Shihao
    DEVELOPMENT OF INDUSTRIAL MANUFACTURING, 2014, 525 : 66 - 72
  • [36] Effects of pressure on CO2 reforming of CH4 over Rh catalysts.
    Srimat, ST
    Song, CS
    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 2000, 219 : U253 - U253
  • [37] Characterization of Ca-promoted Ni/α-Al2O3 catalyst for CH4 reforming with CO2
    Hou, ZY
    Yokota, O
    Tanaka, T
    Yashima, T
    APPLIED CATALYSIS A-GENERAL, 2003, 253 (02) : 381 - 387
  • [38] Role of CeO2 in Rh/α-Al2O3 Catalysts for CO2 Reforming of Methane
    Ocsachoque, Marco
    Bengoa, Jose
    Gazzoli, Delia
    Gloria Gonzalez, Maria
    CATALYSIS LETTERS, 2011, 141 (11) : 1643 - 1650
  • [39] Role of CeO2 in Rh/α-Al2O3 Catalysts for CO2 Reforming of Methane
    Marco Ocsachoque
    Jose Bengoa
    Delia Gazzoli
    María Gloria González
    Catalysis Letters, 2011, 141 : 1643 - 1650
  • [40] CO2 reforming of CH4 by combination of cold plasma jet and Ni/γ-Al2O3 catalyst
    Long, Huali
    Shang, Shuyong
    Tao, Xumei
    Yin, Yonpiang
    Dai, Xiaoyan
    INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 2008, 33 (20) : 5510 - 5515
12345