Distribution of Hydrocarbons Produced by Liquid Phase Hydropolymerization of Carbon Monoxide Using Iron Oxide Catalyst

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Abstract
A study of the Fischer-Tropsch synthesis for production of straight chain α-olefins by Kölbel's slurry process was made using a bench scale reactor 50mmφ×6, 000mm, in order to develop a process in which a large amount of CO produced from Linz-Donáwitz converters in steel industry might be utilized. Synthesis gas of CO/H2 mole ratio 1.5∼2.0 was introduced as bubbles into a suspension of iron catalyst in oil at the reaction conditions of 230∼270°C, 3∼10kg/cm2•G, 2.5∼3.5Nl (CO+H2)/gFe•hr and catalyst concentration of 3∼10wt% as metallic iron. 10∼45g gaseous hydrocarbons and 110∼170g liquid hydrocarbons are produced from one Nm3 synthesis gas. Oxygen-containing compounds were 5∼6wt% of total produces. α-Olefin content is 82∼71wt% in C6∼C8 fraction and 80∼77wt% in C11∼C14 fraction.

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