Production of diesel fuel from vegetable and animal oils
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C10G-003/00
C10L-001/04
출원번호
US-0378322
(2006-03-20)
등록번호
US-8142527
(2012-03-27)
발명자
/ 주소
Herskowitz, Mordechay
Landau, Miron
Reizner, Iehudit
Kaliya, Mark
출원인 / 주소
Ben-Gurion University of the Negev Research and Development Authority
대리인 / 주소
Merchant & Gould
인용정보
피인용 횟수 :
12인용 특허 :
18
초록▼
A process for producing a fuel composition from vegetable and/or animal oil comprises hydrodeoxygenating and hydroisomerizing the oil in a single step. The fuel composition has acceptable lubricity and comprises a mixture of C14 to C18 paraffins having a ratio of iso to normal paraffins of 2 to 8 an
A process for producing a fuel composition from vegetable and/or animal oil comprises hydrodeoxygenating and hydroisomerizing the oil in a single step. The fuel composition has acceptable lubricity and comprises a mixture of C14 to C18 paraffins having a ratio of iso to normal paraffins of 2 to 8 and less than 5 ppm sulfur.
대표청구항▼
1. A process for producing a liquid fuel composition comprising: providing oil selected from the group consisting of vegetable oil, animal oil, and mixtures thereof, wherein said oil contains triglycerides of fatty acids; andhydrodeoxygenating and hydroisomerizing the oil in a single step to form a
1. A process for producing a liquid fuel composition comprising: providing oil selected from the group consisting of vegetable oil, animal oil, and mixtures thereof, wherein said oil contains triglycerides of fatty acids; andhydrodeoxygenating and hydroisomerizing the oil in a single step to form a liquid product which contains two phases, an organic phase and water, and separating the water. 2. The process of claim 1, comprising conducting the hydrodeoxygenating and hydroisomerizing in a trickle-bed reactor. 3. The process of claim 2, wherein the reactor comprises a single catalyst. 4. The process of claim 1, w herein conditions of the hydrodeoxygenating and hydroisomerizing comprise: a liquid hourly space velocity of 0.5 to 5 hr−1;a temperature of 300 to 450° C.;a pressure of 10 to 60 atm; anda H2/oil ratio of 800 to 2000 NL/L. 5. The process of claim 1, wherein the hydrodeoxygenating and hydroisomerizing is carried out in the presence of a catalyst comprising an acidic component and a metal component. 6. The process of claim 5, wherein the metal component is selected from the group consisting of platinum and palladium and the acidic component is selected from the group consisting of amorphous silica alumina, fluorided alumina, ZSM-12, ZSM-21, ZSM-22, ZSM-23, ZSM-35, ZSM-38, ZSM-48, ZSM-57, SSZ-32, ferrierite, SAPO-11, SAPO-31, SAPO-41, MAPO-11, MAPO-31, Y zeolite, L zeolite, and beta zeolite. 7. The process of claim 6, wherein the catalyst is Pt/SAPO-11. 8. The process of claim 7, wherein the catalyst is 1 wt % Pt/SAPO-11. 9. The process of claim 1, wherein the vegetable oil is selected from the group consisting of soybean oil, palm oil, corn oil, sunflower oil, jatropha oil, balanites oil, rapeseed oil, colza oil, canola oil, tall oil, safflower oil, hempseed oil, olive oil, linseed oil, mustard oil, peanut oil, castor oil, coconut oil, and mixtures thereof. 10. The process of claim 1, wherein the vegetable oil is selected from the group consisting of soybean oil, palm oil, corn oil, sunflower oil, jatropha oil, balanites oil, and mixtures thereof. 11. The process of claim 1, wherein the animal oil is selected from the group consisting of lard oil, tallow oil, train oil, fish oil, and mixtures thereof. 12. An integrated process for producing a liquid fuel composition comprising: hydrodeoxygenating and hydroisomerizing oil selected from the group consisting of vegetable oil, animal oil, and mixtures thereof, said oil containing triglycerides of fatty acids, to produce a liquid fuel composition and gaseous byproducts, in a single step in a single reactor; wherein said liquid composition contains two phases, an organic phase and water, and the conditions of the hydrodeoxygenating and hydroisomerizing comprise a H2/oil ratio in the range between 800 and 2000 NL/L;separating the liquid fuel composition from gaseous by-products;separating the water from the liquid fuel composition;separating hydrogen from the gaseous by-products; andrecycling the hydrogen to the single reactor. 13. The process of claim 12, further comprising: separating naphtha from the liquid fuel composition; producing hydrogen by steam reforming the naphtha; and recycling the hydrogen to the single reactor. 14. The process of claim 1, further comprising: isolating a diesel fuel composition. 15. The process of claim 1, wherein hydrodeoxygenating and hydroisomerizing the oil in a single step comprises inhibiting hydrocracking. 16. The process of claim 14, wherein the diesel fuel composition comprises: a mixture of C14 to C18 paraffins having a ratio of iso to normal paraffins of 2 to 8; andless than 5 ppm sulfur. 17. The process of claim 16, wherein the diesel fuel composition has a lubricity of less than 400 μm an according to ISO 12156/1. 18. The process of claim 16, wherein the diesel fuel composition has a lubricity of less than 300 μm an according to ISO 12156/1. 19. The process of claim 16, wherein the diesel fuel composition has a lubricity of less than 200 μm an according to ISO 12156/1. 20. The process of claim 16, wherein the diesel fuel composition further comprises one or more oxygenated compounds. 21. The process of claim 20, wherein the diesel fuel composition comprises less than or equal to 0.6 wt % of one or more oxygenated compounds. 22. The process of claim 20, wherein the one or more oxygenated compounds comprise one or more fatty acids. 23. The process of claim 22, wherein the diesel fuel composition comprises less than or equal to 0.4 wt % of one or more fatty acids. 24. The process of claim 16, wherein the diesel fuel composition is produced by hydrodeoxygenating and hydroisomerizing the oil in a single step. 25. The process of claim 16, wherein the diesel fuel composition has a cetane index of greater than 60, as measured by ASTM D4737. 26. The process of claim 16, wherein the diesel fuel composition exhibits on average less NOx emissions than commercial crude diesel. 27. The process of claim 26, wherein the diesel fuel composition exhibits on average at least 25% less NOx emissions than commercial crude diesel. 28. The process of claim 14, further comprising; blending the diesel fuel composition with fuel selected from the group consisting of fuel produced from crude oil, synthetic fuel, biodiesel, and mixtures thereof. 29. A process according to claim 1, wherein conditions of the hydrodeoxygenating and hydroisomerizing comprise a H2/oil ratio in the range between 800 and 2000 NL/L.
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이 특허에 인용된 특허 (18)
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Santilli Donald S. (Larkspur CA) Habib Mohammad M. (Benicia CA) Harris Thomas V. (Benicia CA) Zones Stacey I. (San Francisco CA), Use of modified 5-7 a pore molecular sieves for isomerization of hydrocarbons.
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