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FISCHER-TROPSCH SYNTHESIS OVER POLYMER SUPPORTED PROMOTED IRON CATALYSTS
Abstract
In recent decades, the interest of researchers has focused on the development of methods for obtaining alternative energy sources. Fischer-Tropsch synthesis is one of the methods for obtaining a wide range of hydrocarbons and their derivatives. Ru, Ni, Fe and Co are the widely used catalytically active metals in FTS. To increase the activity of the catalyst, as well as increase the yield of target products, promoters are introduced into catalytic systems. In FTS, oxides of alkaline and rare earth metals, oxides of lanthanides and actinides, and noble metals are used as modifiers. In this work, we studied the effect of Fe promotion with Ni, Co, and Ru on the CO conversion and the formation of gasoline-range hydrocarbons in the liquid-phase FTS. Novel catalysts supported on the aromatic polymer matrix characterized by the high specific surface area and fine distribution of the active phase were developed. The addition of Ru to the Fe catalyst was shown to increase both CO conversion and selectivity toward the formation of gasoline-range alkanes compared to the monometallic catalysts.
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