Synthesis of liquid fuels and chemicals from oxygenated hydrocarbons
View Patent ↗Processes and reactor systems are provided for the conversion of oxygenated hydrocarbons to hydrocarbons, ketones and alcohols useful as liquid fuels, such as gasoline, jet fuel or diesel fuel, and industrial chemicals. The process involves the conversion of mono-oxygenated hydrocarbons to aromatics and gasonline range hydrocarbons where the oxygenated hydrocarbons are derived from biomass.
1. A method of making a C 4+ compound comprising:
providing water and a biomass-derived water soluble oxygenated hydrocarbon comprising a C 1+ O 1+ hydrocarbon in an aqueous liquid phase and/or a vapor phase,
catalytically reacting in the liquid and/or vapor phase the oxygenated hydrocarbon with hydrogen in the presence of a deoxygenation catalyst comprising a support and a member selected from the group consisting of Re, Cu, Fe, Ru, Pt, Pd, Ni, W, Mo, Ag, Sn, an alloy thereof, and a combination thereof, at a deoxygenation temperature in the range of about 100° C. to 400° C., and a deoxygenation pressure of between 72 psig and 1300 psig, to provide a reaction stream comprising water and two or more oxygenates having two or more carbon atoms and one or two oxygen atoms, and
catalytically reacting the oxygenates in the vapor phase in the presence of an acid catalyst comprising a member selected from the group consisting of an aluminosilicate, zirconia, tungstated aluminosilicate, tungstated zirconia, tungstated alumina, tungstated titania, a heteropolyacid, an acid modified resin, and a combination thereof, at a condensation temperature and condensation pressure to produce the C 4+ compound,
wherein the C 4+ compound comprises a member selected from the group consisting of C 4+ alcohol, C 4+ ketone, C 4+ alkane, C 4+ alkene, C 5+ cycloalkane, C 5+ cycloalkene, aryl, fused aryl, and a mixture thereof.
2. The method of claim 1 , wherein the oxygenated hydrocarbon comprises a member selected from the group consisting of starches, polysaccharides, disaccharides, monosaccharides, cellulose derivatives, lignin derivatives, hemicellulose, sugars, sugar alcohols, and a mixture thereof.
3. The method of claim 1 , wherein the oxygenate comprises two or more members selected from the group consisting of an alcohol, ketone, aldehyde, carboxylic acid, diol, cyclic ether, furan, and furfural.
4. The method of claim 1 , wherein the acid catalyst further comprises a member selected from the group consisting of Cu, Ag, Au, Pt, Ni, Co, Ru, Zn, Ga, Rh, Pd, Ir, Re, Mn, Cr, Mo, W, Sn, an alloy thereof, and a combination thereof.
5. The method of claim 1 , wherein the acid catalyst further comprises a metal selected from the group consisting of Cu, Ag, Pd, Ni, Pt, Ga, Zn, an alloy thereof, and a combination thereof
6. The method of claim 1 , wherein the acid catalyst comprises a zeolite selected from the group consisting of ZSM-5, ZSM-11, ZSM-22, ASM-23, ASM-35 and ZSM-48.
7. The method of claim 6 , wherein the acid catalyst further comprises a member selected from the group consisting of Cu, Ni, Ga, Zn, and W.
8. The method of claim 6 , wherein the acid catalyst is ZSM-5comprising a member selected from the group consisting of Cu, Ni, Ga, Zn, and W.
9. The method of claim 1 , wherein the deoxygenation catalyst further comprises a member selected from the group consisting of Cr, V, Nb, Ti, Zr, Y, La, Zn, Cd, Au, Sn, Ge, P, Al, Ga, In, and a combination thereof.
10. The method of claim 1 , wherein the support comprises a member selected from group consisting of a carbon, alumina, zirconia, titania, vanadia, heteropolyacid, hydroxyapatite, chromia, and mixtures thereof.
11. The method of claim 7 , wherein the support is modified by treating the support with molybdenum, tungsten or a tungsten oxide.
12. The method of claim 1 , wherein the deoxygenation temperature is in the range of between 120° C. to 300° C.
13. The method of claim 1 , wherein the deoxygenation temperature is in the range of about 200° C. to about 280° C.
14. The method of claim 1 , wherein the condensation temperature is in the range of about 250° C. to 425° C., and wherein the condensation pressure is in the range of about 0 psig to 700 psig.
15. The method of claim 1 , wherein the condensation temperature is in the range of about 125° C. to 450° C., and wherein the condensation reaction takes place in the vapor phase.
16. The method of claim 1 , wherein the C 4 + compound is selected from the group consisting of benzene, toluene, xylene, ethyl benzene, para xylene, meta xylene, ortho xylene and C 9 aromatics.
17. A method of making xylenes comprising:
providing water and a biomass-derived water soluble oxygenated hydrocarbon comprising a C 1+ O 1+ hydrocarbon in an aqueous liquid phase and/or a vapor phase,
catalytically reacting in the liquid and/or vapor phase the oxygenated hydrocarbon with hydrogen in the presence of a deoxygenation catalyst comprising a support and a member selected from the group consisting of Re, Cu, Fe, Ru, Pt, Pd, Ni, W, Mo, Ag, Sn, an alloy thereof, and a combination thereof, at a deoxygenation temperature in the range of about 100° C. to 400° C., and a deoxygenation pressure of between 72 psig and 1300 psig, to provide a reaction stream comprising water and two or more oxygenates having two or more carbon atoms and one or two oxygen atoms, and
catalytically reacting the one or more oxygenates in the liquid and/or vapor phase in the presence of an aluminosilicate acid catalyst, at a condensation temperature in the range of about 80° C. to 500° C. and condensation pressure in the range of about 0 psig to 700 psig, to produce one or more xylenes.
18. The method of claim 17 , wherein the oxygenated hydrocarbon comprises a member selected from the group consisting of starches, polysaccharides, disaccharides, monosaccharides, cellulose derivatives, lignin derivatives, hemicellulose, sugars, sugar alcohols and a mixture thereof.
19. The method of claim 18 , wherein the oxygenate comprises two or more members selected from the group consisting of an alcohol, ketone, aldehyde, carboxylic acid, diol, cyclic ether, furan, and furfural.
20. The method of claim 17 , wherein the aluminosilicate acid catalyst is selected from the group consisting of ZSM-5, ZSM-11, ZSM-22, ASM-23, ASM-35 and ZSM-48.
21. The method of claim 20 , wherein the aluminosilicate acid catalyst further comprises a member selected from the group consisting of Cu, Ni, Ga, Zn, and W.
22. The method of claim 17 , wherein the aluminosilicate acid catalyst is a ZSM-5 catalyst comprising Cu, Ni, Ga, Zn, or W.
23. The method of claim 17 , wherein the deoxygenation catalyst further comprises a member selected from the group consisting of Cr, V, Nb, Ti, Zr, Y, La, Zn, Cd, Au, Sn, Ge, P, Al, Ga, In, and a combination thereof.
24. The method of claim 17 , wherein the support comprises a member selected from group consisting of a carbon, alumina, zirconia, titania, vanadia, heteropolyacid, hydroxyapatite, chromia, and mixtures thereof.
25. The method of claim 24 , wherein the support is modified by treating the support with molybdenum, tungsten or a tungsten oxide.
26. The method of claim 17 , wherein the xylene is selected from the group consisting of para xylene, meta xylene, and ortho xylene.