초록 ▼

A method of manufacturing a purified renewable diesel product from a biofeedstock includes filtering the biofeedstock, heating the biofeedstock to about 520° F., introducing hydrogen into the biofeedstock, and treating the biofeedstock in a reactor to generate a renewable diesel product. Additionall

A method of manufacturing a purified renewable diesel product from a biofeedstock includes filtering the biofeedstock, heating the biofeedstock to about 520° F., introducing hydrogen into the biofeedstock, and treating the biofeedstock in a reactor to generate a renewable diesel product. Additionally, the method includes cooling the renewable diesel product wherein the renewable diesel product comprises a liquid, separating vapors from the liquid, and distilling the liquid in a distillation column to generate the purified renewable diesel product. In at least one embodiment the biofeedstock comprises at least one of waste grease, tallow, algae, algal oil, vegetable oil, and soybean oil.

대표청구항 ▼

1. A method of manufacturing a purified diesel product from a biofeedstock, comprising: filtering the biofeedstock;heating the biofeedstock;introducing hydrogen into the biofeedstock;treating the biofeedstock in a reactor to generate a diesel product, the reactor including a hydrotreating catalyst,

1. A method of manufacturing a purified diesel product from a biofeedstock, comprising: filtering the biofeedstock;heating the biofeedstock;introducing hydrogen into the biofeedstock;treating the biofeedstock in a reactor to generate a diesel product, the reactor including a hydrotreating catalyst, wherein the treating includes injecting hydrogen into the reactor at multiple locations to cool the diesel product within the reactor;cooling the diesel product wherein the diesel product comprises a liquid;separating vapors from the liquid; anddistilling the liquid in a distillation column to generate the purified diesel product. 2. The method of claim 1, further comprising injecting a sulfiding agent into the feedstock after heating the biofeedstock. 3. The method of claim 1, wherein the hydrotreating catalyst comprises an alumina support structure with molybdenum attached to the alumina support structure. 4. The method of claim 1, wherein the heating raises the temperature of the biofeedstock to between about 500 to 540° F. 5. The method of claim 1, wherein the biofeedstock includes at least one of waste grease, tallow, algae, soy oil and vegetable oil. 6. A method of manufacturing, comprising: heating a biofeedstock;introducing hydrogen into the biofeedstock after said heating the biofeedstock;treating the biofeedstock in a reactor to form a diesel product after said introducing hydrogen into the biofeedstock, the reactor including a hydrotreating catalyst for contacting the biofeedstock within the reactor, wherein the hydrotreating catalyst is comprised of an alumina support structure with molybdenum attached to the alumina support structure, and wherein 331 pounds of topping material, 700 pounds of ring catalyst, and 4800 pounds of 1/10 inch quadrolobe catalyst are associated with the reactor, and wherein additional hydrogen is injected into the reactor to cool the diesel product within the reactor;cooling the diesel product after said treating, the cooling causing a separation of gases from the diesel product, wherein the diesel product comprises a liquid; anddistilling the liquid in a distillation column to generate a purified diesel product. 7. The method of claim 6, wherein the separation of gases generates hydrogen that is recycled back to the reactor. 8. The method of claim 6, further comprising cooling the purified diesel product through a heat exchanger that comprises a conduit containing an unreacted biofeedstock. 9. The method of claim 6, wherein the hydrogen that is injected into the reactor is injected at a plurality of locations along the reactor. 10. The method of claim 6, wherein the biofeedstock includes used cooking oil. 11. The method of claim 6, wherein after said distilling, then repeating said heating, and wherein at least a portion of the biofeedstock comprises an undistilled liquid previously separated from the diesel product before said distilling. 12. The method of claim 11, wherein the undistilled liquid is stored in a storage tank before repeating said heating. 13. The method of claim 6, wherein the heating raises the temperature of the biofeedstock to between about 500 to 540° F. 14. A method of manufacturing approximately 200 bpd of a diesel product from a biofeedstock, comprising: heating the biofeedstock;introducing hydrogen into the biofeedstock after heating the biofeedstock;treating the biofeedstock in a reactor to form a diesel product after said introducing hydrogen into the biofeedstock, the reactor including a hydrotreating catalyst for contacting the biofeedstock within the reactor, wherein the hydrotreating catalyst is comprised of an alumina support structure with molybdenum attached to the alumina support structure, wherein the reactor contains 331 pounds of a ⅝ inch sized topping material, and wherein additional hydrogen is injected into the reactor to cool the diesel product within the reactor;cooling the diesel product after said treating, the cooling causing a separation of gases from the diesel product, wherein the diesel product comprises a liquid; anddistilling the liquid in a distillation column to generate a purified diesel product. 15. The method of claim 14, wherein the reactor further contains 700 pounds of a 3/16 inch sized ring catalyst and 4800 pounds of a 1/10 inch sized quadrolobe catalyst. 16. The method of claim 15, wherein the 1/10 inch sized quadrolobe is made of straight molybdenum. 17. A method of manufacturing a purified diesel product from a biofeedstock, comprising: heating the biofeedstock;introducing hydrogen into the biofeedstock;treating the biofeedstock in a reactor to generate a diesel product, the reactor including a hydrotreating catalyst, wherein the treating includes injecting hydrogen into the reactor at multiple locations to cool the diesel product within the reactor;cooling the diesel product wherein the diesel product comprises a liquid;separating vapors from the liquid;routing a first portion of the liquid to a storage tank and thereafter routing the first portion of the liquid back to be added with the biofeedstock before heating the biofeedstock; anddistilling a second portion of the liquid in a distillation column to generate the purified diesel product. 18. The method of claim 17, wherein the hydrogen that is injected into the reactor is injected at a plurality of locations along the reactor. 19. The method of claim 17, wherein the biofeedstock includes at least one of waste grease, tallow, algae, soy oil and vegetable oil. 20. The method of claim 17, further comprising injecting a sulfiding agent into the biofeedstock after heating the biofeedstock. 21. The method of claim 17, wherein the hydrotreating catalyst comprises an alumina support structure with molybdenum attached to the alumina support structure. 22. The method of claim 17, wherein the heating raises the temperature of the biofeedstock to between about 500° F. to about 540° F. 23. A method of manufacturing, comprising: heating a biofeedstock;introducing hydrogen into the biofeedstock after said heating the biofeedstock;treating the biofeedstock in a reactor to form a diesel product after said introducing hydrogen into the biofeedstock, the reactor including a hydrotreating catalyst for contacting the biofeedstock within the reactor, wherein the hydrotreating catalyst is comprised of an alumina support structure with molybdenum attached to the alumina support structure, and wherein 331 pounds of topping material, 700 pounds of ring catalyst, and 4800 pounds of 1/10 inch quadrolobe catalyst are associated with the reactor, and wherein additional hydrogen is injected into the reactor to cool the diesel product within the reactor;cooling the diesel product after said treating, the cooling causing a separation of gases from the diesel product, wherein the diesel product comprises a liquid; anddistilling the liquid in a distillation column to generate a purified diesel product;wherein after said distilling, then repeating said heating, and wherein at least a portion of the biofeedstock comprises an undistilled liquid previously separated from the diesel product before said distilling. 24. The method of claim 23, wherein the separation of gases generates hydrogen that is recycled back to the reactor. 25. The method of claim 23, further comprising cooling the purified diesel product through a heat exchanger that comprises a conduit containing an unreacted biofeedstock. 26. The method of claim 23, wherein the hydrogen that is injected into the reactor is injected at a plurality of locations along the reactor. 27. The method of claim 23, wherein the biofeedstock includes used cooking oil. 28. The method of claim 23, wherein the undistilled liquid is stored in a storage tank before repeating said heating. 29. The method of claim 23, wherein the heating raises the temperature of the biofeedstock to between about 500° F. to about 540° F. 30. A method of manufacturing approximately 200 bpd of a diesel product from a biofeedstock, comprising: heating the biofeedstock;introducing hydrogen into the biofeedstock after heating the biofeedstock;treating the biofeedstock in a reactor to form a diesel product after said introducing hydrogen into the biofeedstock, the reactor including a hydrotreating catalyst for contacting the biofeedstock within the reactor, wherein the hydrotreating catalyst is comprised of an alumina support structure with molybdenum attached to the alumina support structure, wherein the reactor contains ⅝ inch sized topping material, and wherein additional hydrogen is injected into the reactor to cool the diesel product within the reactor;cooling the diesel product after said treating, the cooling causing a separation of gases from the diesel product, wherein the diesel product comprises a liquid;routing a first portion of the liquid to a storage tank and thereafter routing the first portion of the liquid back to be added with the biofeedstock before heating the biofeedstock; anddistilling a second portion of the liquid in a distillation column to generate a purified diesel product. 31. The method of claim 30, wherein the reactor further contains 3/16 inch sized ring catalyst and 1/10 inch sized quadrolobe catalyst. 32. The method of claim 31, wherein the 1/10 inch sized quadrolobe is made of straight molybdenum.