Study of the acid-base properties of SiO2-supported NiMoO4 catalysts by temperature-programmed desorption.: Effect of the active phase content

被引:10
|
作者
Zavoianu, R [1 ]
Dias, CR [1 ]
Portela, MF [1 ]
机构
[1] Univ Tecn Lisboa, Inst Super Tecn, GRECAT, P-1049001 Lisbon, Portugal
来源
REACTION KINETICS AND CATALYSIS LETTERS | 2001年 / 72卷 / 02期
关键词
TPD-NH3; TPD-CO2; nickel molybdate; silica;
D O I
10.1023/A:1010566107189
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 acid-base properties of a series of SiO2-supported NiMoO4 catalysts were investigated by temperature-programmed desorption of NH3 and CO2. Results show that supported catalysts with ca. one monolayer of the active phase are less acidic than the unsupported stoichiometric NiMoO4.
引用
收藏
页码:201 / 208
页数:8
相关论文
共 31 条
  • [21] ALPO4-ZRO2 CATALYSTS .3. ACID-BASE PROPERTIES AND INFRARED STUDY OF SYSTEMS OBTAINED IN ETHYLENE-OXIDE
    BLANCO, A
    CAMPELO, JM
    GARCIA, A
    LUNA, D
    MARINAS, JM
    MORENO, MS
    REACTION KINETICS AND CATALYSIS LETTERS, 1989, 38 (02): : 237 - 242
  • [22] Effect of ZnO on acid-base properties and catalytic performances of ZnO/ZrO2-SiO2 catalysts in 1,3-butadiene production from ethanol-water mixture
    Larina, Olga, V
    Kyriienko, Pavlo, I
    Batakin, Dmytro Yu
    Vorokhta, Mykhailo
    Khalakhan, Ivan
    Nychiporuk, Yurii M.
    Matolin, Vladimir
    Soloviev, Sergiy O.
    Orlyk, Svitlana M.
    CATALYSIS SCIENCE & TECHNOLOGY, 2019, 9 (15) : 3964 - 3978
  • [23] Effect of the acid-base properties of the support on the catalytic activity of ethylene polymerization using supported catalysts composed of Cp2ZrX2 (X = Cl, Me) and Al2O3(F)
    Panchenko, V. N.
    Danilova, I. G.
    Zakharov, V. A.
    Semikolenova, N. V.
    Paukshtis, E. A.
    REACTION KINETICS MECHANISMS AND CATALYSIS, 2017, 122 (01) : 275 - 287
  • [24] Dehydration of Ethylene Glycol Monoethyl Ether to Ethyl Vinyl Ether over K3PO4/SiO2 Catalyst: the Effect of Surface Acid-Base Properties
    Tao, Huiqin
    Chen, Chenju
    Lu, Decheng
    Wang, Yihang
    Cui, Lingyun
    Ji, Xingge
    Zhang, Chunlei
    INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 2025,
  • [25] Study of the effect of the acid-base surface properties of ZnO, Fe2O3 and ZnFe2O4 oxides on their gas sensitivity to ethanol vapor
    Karpova, S. S.
    Moshnikov, V. A.
    Maksimov, A. I.
    Mjakin, S. V.
    Kazantseva, N. E.
    SEMICONDUCTORS, 2013, 47 (08) : 1026 - 1030
  • [26] Study of the effect of the acid-base surface properties of ZnO, Fe2O3 and ZnFe2O4 oxides on their gas sensitivity to ethanol vapor
    S. S. Karpova
    V. A. Moshnikov
    A. I. Maksimov
    S. V. Mjakin
    N. E. Kazantseva
    Semiconductors, 2013, 47 : 1026 - 1030
  • [27] A study of the acid-base properties of melts in the Na2O-B2O3-SiO2 system:: III.: Composition joins with a constant sodium oxide content from 40 to 50 mol %
    Konakov, VG
    GLASS PHYSICS AND CHEMISTRY, 2002, 28 (06) : 361 - 364
  • [28] A study of the acid-base properties of melts in the Na2O-B2O3-SiO2 system:: I.: Composition joins with a Na2O content of less than 20 mol %
    Konakov, VG
    Kozhina, EL
    Shultz, MM
    GLASS PHYSICS AND CHEMISTRY, 2001, 27 (02) : 182 - 187
  • [29] Study of the impregnation sequence of active phase and effect of cobalt content over Co-CeO2/MgAl2O4 catalysts in ethanol steam reforming
    Escalante, Yelisbeth
    Gomez, Manuel F.
    Barroso, Mariana N.
    INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 2023, 48 (52) : 19862 - 19878
  • [30] Thermodynamic properties of melamine (2,4,6-triamino-1,3,5-triazine) in aqueous solution. Effect of ionic medium, ionic strength and temperature on the solubility and acid-base properties
    Bretti, Clemente
    De Stefano, Concetta
    Lando, Gabriele
    Sammartano, Silvio
    FLUID PHASE EQUILIBRIA, 2013, 355 : 104 - 113