Biofuel blends with improved oxidation stability and lubricity

1. A biofuel, comprising:

a mixture having a gasoil generated from hydropyrolysis and hydroconversion of a solid biomass containing lignocellulose and an isomerized hydroprocessed ester and fatty acid (HEFA) generated from hydrotreating a renewable resource comprising fats and oils, wherein the gasoil has a cetane index less than 46 and at least 10 parts per million weight (ppmw) of a heteroatom, and wherein a cetane index of the biofuel is greater than 46.

2. The biofuel of claim 1 , wherein the gasoil is present in an amount less than the HEFA.

3. The biofuel of claim 1 , wherein the gasoil is present in an amount of from between approximately 5 volume % (vol %) and 60 vol %.

4. The biofuel of claim 1 , wherein the gasoil is present in an amount from between approximately 10 vol % and 35 vol %.

5. The biofuel of claim 4 , comprising a lubricity of less than approximately 450 micrometers (μm).

6. The biofuel of claim 5 , comprising an oxidation stability of less than 25 grams/cubic meter (g/m 3 ).

7. The biofuel of claim 1 , comprising a lubricity of less than approximately 450 micrometers (μm).

8. The biofuel of claim 1 , comprising an oxidation stability of less than 25 grams/cubic meter (g/m 3 ).

9. The biofuel of claim 1 , wherein the gasoil has an initial boiling point greater than 145° C.

10. The biofuel of claim 1 , wherein the at least one heteroatom is nitrogen, sulfur, or both.

11. The biofuel of claim 1 , wherein the gasoil is generated by a hydroprocess comprising:

hydropyrolysing the solid feedstock in the first stage hydropyrolysis reactor to generate a product stream comprising partially deoxygenated hydropyrolysis product, H 2 O, Hz, CO 2 , CO, C 1 -C 3 gases, char and catalyst fines;

feeding at least a portion of the product stream to a second stage hydroconversion reactor comprising one or more hydroconversion catalysts; and

hydroconverting the partially deoxygenated hydropyrolysis product in the product stream to generate a vapor phase product comprising substantially fully deoxygenated hydrocarbon product, H 2 O, CO, CO 2 , and C 1 -C 3 gases;

condensing the vapor phase product to generate a deoxygenated hydrocarbon liquid comprising the substantially fully deoxygenated hydrocarbon product having one or more heteroatoms, wherein the substantially fully deoxygenated hydrocarbon product comprises the gasoil.

12. A process for producing a biofuel comprising:

feeding a solid feedstock and hydrogen to a first stage hydropyrolysis reactor, wherein the first stage hydropyrolysis reactor comprises one or more deoxygenation catalysts, and wherein the solid feedstock comprises biomass containing lignocellulose;

hydropyrolysing the solid feedstock in the first stage hydropyrolysis reactor to generate a product stream comprising partially deoxygenated hydropyrolysis product, H 2 O, H 2 , CO 2 , CO, C 1 -C 3 gases, char and catalyst fines;

feeding at least a portion of the product stream to a second stage hydroconversion reactor comprising one or more hydroconversion catalysts;

hydroconverting the partially deoxygenated hydropyrolysis product in the product stream to generate a vapor phase product comprising substantially fully deoxygenated hydrocarbon product, H 2 O, CO, CO 2 , and C 1 -C 3 gases;

condensing the vapor phase product to generate a deoxygenated hydrocarbon liquid comprising the substantially fully deoxygenated hydrocarbon product, wherein the substantially fully deoxygenated hydrocarbon product comprises a gasoil having a cetane index of less than 46 and at least 10 parts per million weight (ppmw) of a heteroatom; and

mixing the gasoil with an isomerized hydroprocessed ester fatty acid (HEFA) to generate the biofuel, wherein a cetane index of the biofuel is greater than 46.

13. The process of claim 12 , wherein the isomerized HEFA is produced by hydroprocessing a renewable resource comprising fats and oils.

14. The process of claim 12 , wherein the gasoil is present in an amount less than the HEFA.

15. The process of claim 12 , wherein mixing the gasoil with the isomerized HEFA comprises adding between approximately 10 volume (vol) % and 35 vol % of the isomerized HEFA to the gasoil.

16. The process of claim 12 , wherein a lubricity of less than approximately 450 micrometers (μm) and an oxidation stability of less than approximately 25 grams/cubic meter (g/m 3 ).

17. The process of claim 12 , wherein the heteroatom is nitrogen, sulfur, or both.

18. A process for producing a biofuel, comprising:

mixing a gasoil derived from hydropyrolysis and hydroconversion of a biomass containing lignocellulose with an isomerized hydroprocessed ester fatty acid (HEFA), wherein the gasoil has a cetane index less than 46, at least 10 parts per million weight (ppmw) of a heteroatom, and a boiling point greater than 145 degrees Celsius (° C.).

19. The process of claim 18 , wherein mixing the gasoil with the isomerized HEFA comprises adding between approximately 5 volume percent (vol %) and approximately 60 vol % of the gasoil to the isomerized HEFA.

20. The process of claim 18 , wherein the hydroprocessing is a two stage process comprising a first stage for hydropyrolysing the biomass to generate a product stream comprising partially deoxygenated hydropyrolysis product, H 2 O, Hz, CO 2 , CO, C 1 -C 3 gases, char and catalyst fines, and a second stage for hydroconverting the partially deoxygenated hydropyrolysis product in the product stream to generate a vapor phase product comprising substantially fully deoxygenated hydrocarbon product, H 2 O, CO, CO 2 , and C 1 -C 3 gases, wherein the substantially fully deoxygenated product comprises the gasoil.

21. The process of claim 18 , wherein the heteroatom is nitrogen, sulfur, or both.

22. The process of claim 18 , wherein the isomerized HEFA is produced by hydroprocessing a renewable resource comprising fats and oils.

23. The process of claim 18 , wherein the cetane index of the biofuel is greater than 46.

24. The process of claim 18 , wherein the gasoil is present in an amount less than the isomerized HEFA.