Abstract: The compositions and properties of Fischer-Tropsch synthetic kerosene fraction from the indirect liquefaction of domestic coal were studied and the feasibility of using this fraction as jet fuel was discussed. The test results showed that this synthetic kerosene fraction was mainly composed of paraffinic hydrocarbons and monocyclic naphthenic hydrocarbons, besides, only a minor amount of single-ring aromatic hydrocarbons was found, two-ring or three-ring aromatic hydrocarbons were non-detectable. Since some indexes of said fraction, such as density, freezing point and flash point, were not satisfied the specifications of 3# Jet Fuel National Standard (GB 6537-2006), it could not be used as jet fuel directly. Due to the characteristics of low in sulfur, nitrogen and aromatics contents, high in thermal stability, this synthetic kerosene fraction could be used as jet fuel blending components by further altering processing routes, which would improve the thermal stability of conventional jet fuel and would reduce exhaust pollution as well.

Key words: jet fuel, Fischer-Tropsch synthesis, liquid fuel