期刊
APPLIED CATALYSIS A-GENERAL
卷 230, 期 1-2, 页码 85-97出版社
ELSEVIER
DOI: 10.1016/S0926-860X(01)00997-8
关键词
hydrocarbon reactions; steam reforming catalysts; Mo doped Ni/Al2O3; catalyst activity; carbon deposition
Addition of molybdenum to nickel catalysts has a favourable effect on their properties in the steam reforming of hydrocarbons. Some attempts were made to explain the mechanism of promoter action by determining the proper-ties Of such catalysts in hydrogenolysis and cracking reactions. With small amounts of promoter (less than or equal to0.5 wt.%) advantageneous changes in selectivity of steam reforming and disadvantageneous changes in n-butane hydrogenolysis were observed. The promoter does not affect practically the catalyst properties in n-butane cracking. The effect of molybdenum was compared with that of potassium promoter applied in the industry. (C) 2002 Elsevier Science B.V. All rights reserved.
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