Abstract
Researches of catalysts Pt/WO3/ZrO2 (Pt content is 1wt.%) at varying WO3 concentrations (10-35% wt.) are carried out in the isomerization reaction of n-heptane, under the following conditions: temperature range is 140-220°C, pressure is 1.5MPa, the ratio H2/n-heptane is 3 (mol.), heptane volume velocity is 1h-1. X-ray analysis, N2 adsorption-desorption, infrared spectroscopy, temperature-programmed desorption of ammonia are used to characterize the physical and chemical properties of the prepared catalysts, atomic emission spectrometry with inductively coupled plasma is for WO3 analysis. Maximum catalysts activity and selectivity in the isomerization reaction of n-heptane is obtained at the reaction temperature of 170°C on the catalyst with a content of 25% wt WO3.: conversion of n-heptane is 84%, the selectivity to the heptane isomers sum is 71.9%, dimethyl and trimethyl heptane isomers yield is 22.8% wt.
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