Fuel composition
View Patent ↗A composition having a density at 15° C. of between 820 and 845 kg/m 3 and a cetane number of equal or greater than 40, which composition has been obtained by blending the following components: (a) a cracked gas oil, (b) a mineral derived gas oil other than (a), and (c) a Fischer-Tropsch derived kerosene fraction; and the use of this composition as an automotive gas oil fuel composition.
1. An automotive gas oil fuel composition comprising:
(a) a quantity of from greater than 15 vol % to 60 vol % of a cracked gas oil exhibiting a density at 15° C. of greater than 845 kg/m 3 ;
(b) a mineral derived gas oil other than (a);
(c) a quantity of a Fischer-Tropsch derived kerosene fraction having paraffin content of between 98 and 100 wt % effective to produce the fuel composition comprising:
(i) a density at 15° C. of between 820 and 845 kg/m 3 ;
(ii) a cetane number of equal to or greater than 40;
(iii) a T95 of between 275 and 360° C.; and
(iv) a cold filter plugging point below +5° C.
2. The fuel composition of claim 1 comprising between 10 and 50 vol % of the Fischer-Tropsch derived kerosene fraction (c).
3. The fuel composition of claim 1 comprising 30 vol. % or more of the cracked gas oil component (a).
4. The fuel composition of claim 1 comprising 40 vol. % or more of the cracked gas oil component (a).
5. The fuel composition of claim 1 comprising 50 vol. % or more of the cracked gas oil component (a).
6. The fuel composition of claim 1 exhibiting a cetane number of above 45.
7. The fuel composition of claim 3 exhibiting cetane number of above 45.
8. The fuel composition of claim 5 exhibiting cetane number of above 45.
9. The fuel composition of claim 1 wherein
operating an automotive vehicle using the fuel composition comprising a refinery kerosene fraction in place of the Fischer-Tropsch derived kerosene fraction produces a first acceleration time; and,
operating the automotive vehicle under the same conditions using the fuel composition comprising the Fischer-Tropsch derived kerosene fraction produces an improved acceleration time.
10. The fuel composition of claim 3 wherein
operating an automotive vehicle using the fuel composition comprising a refinery kerosene fraction in place of the Fischer-Tropsch derived kerosene fraction produces a first acceleration time; and,
operating the automotive vehicle under the same conditions using the fuel composition comprising the Fischer-Tropsch derived kerosene fraction produces an improved acceleration time.
11. A fuel composition comprising:
(a) from greater than 15 vol. % to 60 vol. % of a cracked gas oil having a density at 15° C. of greater than 845 kg/m 3 and a cetane number of less than 45;
(b) an amount of a mineral derived gas oil other than (a), the mineral derived gas oil having a density at 15° C. of between 820 and 845 kg/m 3 and a cetane number of from 51 to 75, and (c) a quantity of a Fischer-Tropsch derived kerosene fraction having paraffin content of between 98 and 100 wt %, a density at 15° C. of from 730 to 760 kg/m 3 and a cetane number of from 63 to 75, the quantity being sufficient to produce the fuel composition comprising:
(i) a density at 15° C. of between 820 and 845 kg/m 3 ;
(ii) a cetane number of equal or greater than 40
(iii) a T95 of between 275 and 360° C.; and
(iv) a cold filter plugging point below +5° C.
12. The fuel composition of claim 11 comprising 30 vol. % or more of the cracked gas oil component (a).
13. The fuel composition of claim 11 comprising 40 vol. % or more of the cracked gas oil component (a).
14. The fuel composition of claim 11 comprising 50 vol. % or more of the cracked gas oil component (a).
15. The fuel composition of claim 11 wherein the quantity of Fischer-Tropsch derived kerosene fraction is sufficient to produce a cetane number of above 45.
16. The fuel composition of claim 12 wherein the quantity of Fischer-Tropsch derived kerosene fraction is sufficient to produce a cetane number of above 45.
17. The fuel composition of claim 14 wherein the quantity of Fischer-Tropsch derived kerosene fraction is sufficient to produce a cetane number of above 45.
18. The fuel composition of claim 11 wherein
operating an automotive vehicle using the fuel composition comprising a refinery kerosene fraction in place of the Fischer-Tropsch derived kerosene fraction produces a first acceleration time; and,
operating the automotive vehicle under the same conditions using the fuel composition comprising the Fischer-Tropsch derived kerosene fraction produces an improved acceleration time.
19. The fuel composition of claim 12 wherein
operating an automotive vehicle using the fuel composition comprising a refinery kerosene fraction in place of the Fischer-Tropsch derived kerosene fraction produces a first acceleration time; and,
operating the automotive vehicle under the same conditions using the fuel composition comprising the Fischer-Tropsch derived kerosene fraction produces an improved acceleration time.
20. The fuel composition of claim 13 wherein
operating an automotive vehicle using the fuel composition comprising a refinery kerosene fraction in place of the Fischer-Tropsch derived kerosene fraction produces a first acceleration time; and,
operating the automotive vehicle under the same conditions using the fuel composition comprising the Fischer-Tropsch derived kerosene fraction produces an improved acceleration time.
21. A process for increasing the amount of cracked gas oil that can be included in an automotive gas oil fuel composition having a density at 15° C. of between 820 and 845 kg/m 3 , a T95 of between 275 and 360° C., a cold filter plugging point below +5° C., and a cetane number of equal or greater than 40, the process comprising:
blending (a) from greater than 15 vol. % to about 60 vol % cracked gas oil having a density at 15° C. of greater than 845 kg/m 3 and a cetane number of less than 45, with (b) mineral derived gas oil other than the cracked gas oil (a), the mineral derived gas oil having a cetane number of from greater than 45 to about 80, and (c) a quantity of Fischer-Tropsch derived kerosene fraction having a density at 15° C. of from 730 to 760 kg/m 3 and a cetane number of from 63 to 75 and paraffin content of between 98 and 100 wt %;
wherein the quantity of the Fischer-Tropsch derived kerosene fraction is sufficient to produce the fuel composition having a density at 15° C. of between 820 and 845 kg/m 3 and a cetane number of equal or greater than 40.
22. The process of claim 21 comprising blending 30 vol. % or more of the cracked gas oil (a).
23. The process of claim 21 comprising blending 40 vol % or more of the cracked gas oil (a).
24. The process of claim 21 comprising blending 50 vol % or more of the cracked gas oil (a).
25. The process of claim 21 wherein the quantity of the Fischer-Tropsch derived kerosene fraction (c) is sufficient to produce the fuel composition having a cetane number of above 45.
26. The process of claim 22 wherein the quantity of the Fischer-Tropsch derived kerosene fraction (c) is sufficient to produce the fuel composition having a cetane number of above 45.
27. The process of claim 23 wherein the quantity of the Fischer-Tropsch derived kerosene fraction (c) is sufficient to produce the fuel composition having a cetane number of above 45.
28. The process of claim 21 wherein
operating an automotive vehicle using the fuel composition comprising a refinery kerosene fraction in place of the Fischer-Tropsch derived kerosene fraction produces a first acceleration time; and,
operating the automotive vehicle under the same conditions using the fuel composition comprising the Fischer-Tropsch derived kerosene fraction produces an improved acceleration time.
29. The process of claim 22 wherein
operating an automotive vehicle using the fuel composition comprising a refinery kerosene fraction in place of the Fischer-Tropsch derived kerosene fraction produces a first acceleration time; and,
operating the automotive vehicle under the same conditions using the fuel composition comprising the Fischer-Tropsch derived kerosene fraction produces an improved acceleration time.
30. The process of claim 23 wherein
operating an automotive vehicle using the fuel composition comprising a refinery kerosene fraction in place of the Fischer-Tropsch derived kerosene fraction produces a first acceleration time; and,
operating the automotive vehicle under the same conditions using the fuel composition comprising the Fischer-Tropsch derived kerosene fraction produces an improved acceleration time.
31. An automotive gas oil fuel composition comprising:
(a) from greater than 15 vol % to about 60 vol % hydrotreated light cycle oil;
(b) ultra low sulfur diesel fuel; and,
(c) a quantity of a Fischer-Tropsch derived kerosene fraction having paraffin content of between 98 and 100 wt % sufficient to produce the fuel composition having a density at 15° C. of between 820 and 845 kg/m 3 and a cetane number of equal to or greater than 40 and T95 of between 275 and 360° C., a cold filter plugging point below +5° C.
32. The fuel composition of claim 31 comprising 30 vol. % or more of the hydrotreated light cycle oil (a).
33. The fuel composition of claim 31 comprising 40 vol. % or more of the hydrotreated light cycle oil (a).
34. The fuel composition of claim 31 comprising 50 vol. % or more of the hydrotreated light cycle oil (a).
35. The fuel composition of claim 31 wherein the fuel composition has a cetane number of above 45.
36. The fuel composition of claim 32 wherein the fuel composition has a cetane number of above 45.
37. The fuel composition of claim 33 wherein the fuel composition has a cetane number of above 45.
38. The fuel composition of claim 31 wherein
operating an automotive vehicle using the fuel composition comprising a refinery kerosene fraction in place of the Fischer-Tropsch derived kerosene fraction produces a first acceleration time; and,
operating the automotive vehicle under the same conditions using the fuel composition comprising the Fischer-Tropsch derived kerosene fraction produces an improved acceleration time.
39. The fuel composition of claim 32 wherein
operating an automotive vehicle using the fuel composition comprising a refinery kerosene fraction in place of the Fischer-Tropsch derived kerosene fraction produces a first acceleration time; and,
operating the automotive vehicle under the same conditions using the fuel composition comprising the Fischer-Tropsch derived kerosene fraction produces an improved acceleration time.
40. The fuel composition of claim 33 wherein
operating an automotive vehicle using the fuel composition comprising a refinery kerosene fraction in place of the Fischer-Tropsch derived kerosene fraction produces a first acceleration time; and,
operating the automotive vehicle under the same conditions using the fuel composition comprising the Fischer-Tropsch derived kerosene fraction produces an improved acceleration time.