Aviation fuel oil composition

Abstract

To provide an aviation fuel oil composition which has excellent life cycle characteristics and achieves excellent specific fuel consumption. The aviation fuel oil composition according to the present invention includes: a first base which is a fraction having a boiling range of 140 to 280° C. obtained through a step of hydrotreating a first feedstock containing a sulfur-containing hydrocarbon compound and an oxygen-containing hydrocarbon compound derived from an animal or vegetable oil and fat or a second feedstock which is an oil blend of the first feedstock and a petroleum-based base obtained by refining a crude oil; and a second base which is a fraction having a boiling range of 140 to 280° C. obtained from a heavy oil cracking apparatus.

1 . An aviation fuel oil composition comprising:
 a first base which is a fraction having a boiling range of 140 to 280° C. obtained through a step of hydrotreating a first raw oil feedstock containing a sulfur-containing hydrocarbon compound and an oxygen-containing hydrocarbon compound derived from an animal or vegetable oil and fat or a second feedstock which is an oil blend of the first feedstock and a petroleum-based base obtained by refining a crude oil; and   a second base which is a fraction having a boiling range of 140 to 280° C. obtained from a heavy oil cracking apparatus.   
     
     
         2 . The aviation fuel oil composition according to  claim 1 , wherein the second base has a density at 15° C. of 800 kg/m 3  or more and 840 kg/m 3  or less. 
     
     
         3 . The aviation fuel oil composition according to  claim 1 , wherein the first base is obtained through the step of hydrotreating the first or second feedstock in the presence of hydrogen under the conditions of a hydrogen pressure of 2 to 13 MPa, a liquid hourly space velocity of 0.1 to 3.0 h −1  and a hydrogen/oil ratio of 150 to 1500 NL/L, and a reaction temperature of 150 to 480° C. by using a catalyst prepared by supporting one or more metals selected from elements of groups 6A and 8 of the periodic table on a support formed of a porous inorganic oxide composed of two or more elements selected from aluminum, silicon, zirconium, boron, titanium, and magnesium. 
     
     
         4 . The aviation fuel oil composition according to  claim 1 , wherein the first base is obtained through a step of further isomerizing a hydrogenated oil obtained through the step of hydrotreating the first or second feedstock in the presence of hydrogen under conditions of a hydrogen pressure of 2 to 13 MPa, a liquid hourly space velocity of 0.1 to 3.0 and a hydrogen/oil ratio of 250 to 1500 NL/L, and a reaction temperature of 150 to 380° C. by using a catalyst prepared by supporting a metal selected from elements of group 8 of the periodic table on a support formed of a porous inorganic oxide composed of a substance selected from aluminum, silicon, zirconium, boron, titanium, magnesium, and zeolite. 
     
     
         5 . The aviation fuel oil composition according to  claim 1 , further comprising an aviation fuel oil base obtained by refining a crude oil, a synthetic aviation fuel oil base, or a third base which is a mixture thereof. 
     
     
         6 . The aviation fuel oil composition according to  claim 1 , further comprising one or more additives selected from an antioxidant, an antistatic, a metal deactivator, and an anti-icing agent. 
     
     
         7 . The aviation fuel oil composition according to  claim 1 , satisfying standard values of JIS K2209 “Aviation Turbine Fuels”.