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The influence of rhenium on the properties of a commercial nickel catalyst in the steam reforming of methane was presented. The addition of Re up to 4 wt. % causes the in crease of the amount of chemisorbed hydrogen, dispersion of active phase, catalyst activity as well as its resistance to coking. The investigations show a good agreement be tween the resistance to coking obtained by the temperature-programmed...
An introduction of small amounts of promoters (Mo, W, Ba, K) into the nickel catalysts of the steam reforming of hydrocarbons reduces the detrimental effect of carbon deposit formation. Pressurized thermal treatment of the catalysts in a H2O:H2 mixture indicates that the promoting effect of the examined additions exhibits considerable stability. Ni-Mo or Ni-W catalysts can be used in the industrial...
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