REDUCTION OF CUO-CONTAINING CATALYSTS, CUO .1. TPR AND TGA

被引:26
作者
BOYCE, AL [1 ]
GRAVILLE, SR [1 ]
SERMON, PA [1 ]
VONG, MSW [1 ]
机构
[1] BRUNEL UNIV,DEPT CHEM,UXBRIDGE UB8 3PH,MIDDX,ENGLAND
来源
REACTION KINETICS AND CATALYSIS LETTERS | 1991年 / 44卷 / 01期
关键词
D O I
10.1007/BF02068376
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
For CuO/ZnO reduction has been shown [M.S.W. Vong et al., Catal. Lett., 4, 15 (1990)] to be faster and more extensive with CO than by H-2 and here this is shown to be the case for CuO itself, this being so then it may be preferable to characterize CuO-containing catalysts by temperature-programmed reduction with CO than with H-2. The activation energies of reduction (57-82 kJ/mol) are those expected for chemical reduction, but it is an important finding that the order with respect to hydrogen partial pressure (0.04) is extremely low and far removed from the value of unity often assumed. Different samples of CuO exhibit different reduction characteristics.
引用
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页码:1 / 11
页数:11
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共 24 条
  • [1] ALDERWRIGHT CR, 1879, J CHEM SOC, P35
  • [2] A REFINEMENT OF CRYSTAL STRUCTURE OF COPPER(2) OXIDE WITH A DISCUSSION OF SOME EXCEPTIONAL ESDS
    ASBRINK, S
    NORRBY, LJ
    [J]. ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL CRYSTALLOGRAPHY AND CRYSTAL CHEMISTRY, 1970, B 26 : 8 - &
  • [3] Bart J. C. J., 1987, CATAL TODAY, V2, P1
  • [4] USE OF CATALYTIC DETECTOR IN TEMPERATURE-PROGRAMMED REDUCTION
    BEDFORD, M
    PURVES, JH
    SELF, VA
    SERMON, PA
    [J]. APPLIED CATALYSIS, 1990, 58 (01): : 147 - 153
  • [5] THE ACTIVITY AND STATE OF THE COPPER SURFACE IN METHANOL SYNTHESIS CATALYSTS
    CHINCHEN, GC
    WAUGH, KC
    WHAN, DA
    [J]. APPLIED CATALYSIS, 1986, 25 (1-2): : 101 - 107
  • [6] THE CHEMICAL-STATE OF COPPER DURING METHANOL SYNTHESIS
    CHINCHEN, GC
    WAUGH, KC
    [J]. JOURNAL OF CATALYSIS, 1986, 97 (01) : 280 - 283
  • [7] PROMOTION OF METHANOL SYNTHESIS AND THE WATER-GAS SHIFT REACTIONS BY ADSORBED OXYGEN ON SUPPORTED COPPER-CATALYSTS
    CHINCHEN, GC
    SPENCER, MS
    WAUGH, KC
    WHAN, DA
    [J]. JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS I, 1987, 83 : 2193 - 2212
  • [8] FAN CL, IN PRESS
  • [9] THE CHEMICAL-STATE OF COPPER DURING METHANOL SYNTHESIS - REPLY
    FLEISCH, TH
    MIEVILLE, RL
    [J]. JOURNAL OF CATALYSIS, 1986, 97 (01) : 284 - 285
  • [10] STUDY OF THE PROMOTING INFLUENCE OF TRANSITION-METALS ON THE REDUCTION OF CUPRIC OXIDE BY TEMPERATURE PROGRAMMED REDUCTION
    GENTRY, SJ
    HURST, NW
    JONES, A
    [J]. JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS I, 1981, 77 : 603 - 619