Abstract
The influence of aromatic hydrocarbons (benzene, toluene) on isomerization of n-heptane over Pt/MOR/Al 2 O 3 and Pt/WO 3 /ZrO 2 catalysts was studied. The presence of aromatic hydrocarbons was shown leads to the necessary temperature elevation by 20–30 °C in order to provide the conversion identical to that of individual n-heptane. In the mixture of n-heptane with aromatic hydrocarbons, the yield of heptanes isomers was established to be 1.5 times less (from 60.1 to 39.9 wt %) in the presence of Pt/MOR/Al 2 O 3 but to remain at the same level (60.4–68.0 wt %) in the presence of Pt/WO 3 /ZrO 2 . The developed catalysts can be used in industry for isomerization of C7 fraction isolated from straight-run gasoline and from catalytic reforming gasoline, the presence of aromatic hydrocarbons in the feedstock being undesirable.
Published Version
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