Conversion of triacylglycerides-containing oils to jet fuel range hydrocarbons
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C07C-001/20
C10G-003/00
C10G-045/02
C07C-001/22
B01J-019/00
C10G-045/32
C10G-045/06
C10G-045/08
C10G-045/10
C10G-045/00
C10G-047/16
C10G-065/12
출원번호
US-0651611
(2013-12-04)
등록번호
US-10144880
(2018-12-04)
국제출원번호
PCT/US2013/073121
(2013-12-04)
국제공개번호
WO2014/093097
(2014-06-19)
발명자
/ 주소
Greene, Marvin I.
Mukherjee, Ujjal K.
Arora, Arun
Coppola, Edward
Red, Jr., Charles
Baxley, J. Steven
Nana, Sanjay
Rine, Jeffrey
출원인 / 주소
Chevron Lummus Global, LLC
대리인 / 주소
Osha Liang LLP
인용정보
피인용 횟수 :
0인용 특허 :
64
초록▼
A process for converting triacylglycerides-containing oils into crude oil precursors and/or distillate hydrocarbon fuels is disclosed. The process may include: reacting a triacylglycerides-containing oil-water-diatomic hydrogen mixture at a temperature in the range from about 250° C. to about 560° C
A process for converting triacylglycerides-containing oils into crude oil precursors and/or distillate hydrocarbon fuels is disclosed. The process may include: reacting a triacylglycerides-containing oil-water-diatomic hydrogen mixture at a temperature in the range from about 250° C. to about 560° C. and a pressure greater than about 75 bar to convert at least a portion of the triacylglycerides and recovering a reaction effluent comprising water and one or more of isoolefins, isoparaffins, cycloolefins, cycloparaffins, and aromatics; and hydrotreating the reaction effluent to form a hydrotreated effluent.
대표청구항▼
1. A process for converting triacylglycerides-containing oils into distillate hydrocarbon fuels, the process comprising: preparing a mixture comprising water, diatomic hydrogen, and a triacylglycerides-containing oil comprising at least 20 wt % C20 to C24 fatty acids;hydrothermolyzing the mixture at
1. A process for converting triacylglycerides-containing oils into distillate hydrocarbon fuels, the process comprising: preparing a mixture comprising water, diatomic hydrogen, and a triacylglycerides-containing oil comprising at least 20 wt % C20 to C24 fatty acids;hydrothermolyzing the mixture at a temperature in a range from about 250° C. to about 560° C. and a pressure greater than about 75 bar to convert at least a portion of the triacylglycerides, wherein the triacylglycerides-containing oil consists essentially of carinata, lesquerella, physaria, or a mixture thereof to produce a reaction effluent comprising water and one or more of isoolefins, isoparaffins, cycloolefins, cycloparaffins, and aromatics; andhydrotreating the reaction effluent to form a hydrotreated effluent comprising the distillate hydrocarbon fuels. 2. The process of claim 1, wherein the triacylglycerides-containing oil has a theoretical jet yield of at least 50 wt %. 3. The process of claim 1, further comprising mixing the triacylglycerides-containing oil with water and diatomic hydrogen to form the mixture. 4. The process of claim 1, further comprising mixing the triacylglycerides-containing oil with water to form a triacylglyceride-water mixture. 5. The process of claim 4, further comprising mixing the triacylglyceride-water mixture with hydrogen to form the mixture. 6. The process of claim 1, wherein the mixture has a water to triacylglycerides mass ratio in a range from about 0.001:1 to about 1:1. 7. The process of claim 1, wherein the mixture has a diatomic hydrogen to triacylglycerides mass ratio in a range from about 0.005:1 to about 0.5:1. 8. The process of claim 1, further comprising separating at least one of diatomic hydrogen and water from the hydrotreated effluent. 9. The process of claim 8, further comprising recycling at least one of the separated diatomic hydrogen and the separated water to the hydrothermolyzing step. 10. The process of claim 1, further comprising co-processing a non-renewable hydrocarbon feedstock with the reaction effluent in the hydrotreating step. 11. The process of claim 1, further comprising fractionating the hydrotreated effluent to recover one or more hydrocarbon fractions boiling in a range of naphtha, diesel, or jet fuel. 12. The process of claim 1, wherein the hydrothermolyzing is performed in the absence of an added heterogeneous or soluble metallic catalyst. 13. The process of claim 1, wherein the hydrothermolyzing is performed in a hydrothermolysis reactor and the process further comprises injecting liquid water into the hydrothermolysis reactor to maintain a temperature or a temperature profile within the hydrothermolysis reactor. 14. The process of claim 11, wherein the hydrocarbon fraction boiling in a range of jet fuel has a total acid number of less than 0.1, expressed as mg KOH per gram. 15. The process of claim 11, wherein the hydrocarbon fraction boiling in a range of jet fuel has an olefins content of less than about 5 vol % and an aromatics content of less than about 25 vol %. 16. The process of claim 11, wherein the hydrocarbon fraction boiling in a range of jet fuel is used directly as a jet fuel without blending; or the hydrocarbon fraction boiling in a range of diesel fuel is used directly as a diesel fuel without blending. 17. A process for converting triacylglycerides-containing oils into distillate hydrocarbon fuels, the process comprising: subjecting one or more triacylglycerides-containing oils to a conversion process to convert at least a portion of the triacylglycerides into a reaction product comprising one or more of hydrocarbons comprising isoolefins, isoparaffins, cycloolefins, cycloparaffins, and aromatics boiling in ranges of naphtha, diesel, and jet fuels in the presence of water and diatomic hydrogen; andvarying a composition of the triacylglycerides-containing oils by increasing or decreasing an amount of carinata-based oils, lesquerella-based oils, physaria-based oils, or a mixture thereof, to selectively vary a yield of hydrocarbons boiling in a range of jet fuel. 18. The process of claim 17, wherein the conversion process comprises thermolysis. 19. The process of claim 18, wherein the thermolysis process is carried out in a fixed-bed reactor, a fluidized-bed reactor, or an entrained-bed reactor, with or without inert materials, at a temperature in a range from about 300° C. to 600° C., and at a space velocity in a range from about 2 to 1000 h−1. 20. The process of claim 17, wherein the conversion process comprises hydrothermal liquefaction. 21. The process of claim 20, wherein the hydrothermal liquefaction process is carried out in a fixed-bed reactor, a fluidized-bed reactor, or an entrained-bed reactor, with or without inert materials, at a temperature in a range from about 150° C. to 370° C., a pressure in a range from about 50 to about 200 bar, and a residence time in a range from about 3 to about 60 minutes. 22. The process of claim 17, wherein the conversion process comprises supercritical hydrothermolysis. 23. The process of claim 22, wherein the supercritical hydrothermolysis is carried out in a fixed-bed reactor, a fluidized-bed reactor, or an entrained-bed reactor, with or without inert materials, at a residence time in a range from about 3 to about 60 minutes at supercritical water conditions. 24. The process of claim 17, wherein the conversion process comprises catalytic cracking. 25. The process of claim 24, wherein the catalytic cracking process is carried out in entrained-bed reactors using fluid cracking catalysts at a temperature in a range from about 350° C. to 600° C. 26. The process of claim 17, wherein the conversion process comprises catalytic hydropyrolysis. 27. The process of claim 26, wherein the catalytic hydropyrolysis is carried out in a fixed-bed reactor, a fluidized-bed reactor, a slurry-phase reactor, or an entrained-bed reactor, using catalysts comprising one or more of supported or unsupported base metal oxides, silica-aluminas, zeolites, metal phosphides, and hydrotalcites at a temperature in a range from about 300° C. to about 600° C. and a pressure in a range from about 1 to 100 bar. 28. The process of claim 17, wherein the conversion process comprises a combination of hydrothermolysis and catalytic cracking. 29. The process of claim 17, further comprising hydrotreating the reaction product or a portion thereof to produce specification jet fuel products including one or more of Jet A, Jet A-1, JP-4, JP-5, JP-6, JP-7, JP-8, SPK, and HEFA jet fuels. 30. The process of claim 29, wherein the hydrotreating comprises contacting the reaction product or a portion thereof at reaction conditions with a catalyst comprising one or more metals, metal oxides, and/or metal sulfides, supported or unsupported, having activity for at least one of saturation of olefinic bonds, hydrodeoxygenation, hydrodenitrogenation, and hydrodesulfurization. 31. The process of claim 17, wherein the composition of the triacylglycerides-containing oils further comprises camelina-based oils. 32. A process for converting triacylglycerides-containing oils into distillate hydrocarbon fuels, the process comprising: preparing a mixture comprising water, diatomic hydrogen, and one or more triacylglycerides-containing oil comprising at least 20 wt % C20 to C24 fatty acids;hydrothermolyzing the mixture, in the absence of an added heterogeneous or soluble metallic catalyst, at a temperature in a range from about 250° C. to about 560° C. and a pressure greater than about 75 bar to convert at least a portion of the triacylglycerides, producing a reaction effluent comprising water and one or more of isoolefins, isoparaffins, cycloolefins, cycloparaffins, and aromatics; andhydrotreating the reaction effluent to form a hydrotreated effluent comprising the distillate hydrocarbon fuels. 33. The process of claim 32, wherein the triacylglycerides-containing oil consists essentially of a renewable oil from camelina, carinata, lesquerella, physaria, or a mixture thereof.
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