Conversion of triacylglycerides-containing oils to hydrocarbons
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01J-008/04
C07C-001/22
C10G-045/00
C10G-003/00
B01J-019/00
C10G-045/02
C10G-045/32
C10G-045/06
C10G-045/08
C10G-045/10
C10G-047/16
C10G-065/12
출원번호
US-0885135
(2015-10-16)
등록번호
US-10087374
(2018-10-02)
발명자
/ 주소
Mukherjee, Ujjal K.
Arora, Arun
Greene, Marvin I.
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-hydrogen mixture at a temperature in the range from about 250° C. to about 525° C. and a p
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-hydrogen mixture at a temperature in the range from about 250° C. to about 525° 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; hydrotreating the reaction effluent to form a hydrotreated effluent.
대표청구항▼
1. A system for converting triacylglycerides-containing oils into crude oil precursors and/or distillate hydrocarbon fuels, the system comprising: a mixing device for mixing a triacylglycerides-containing oil feed with water to form an oil-water mixture;a mixing device for mixing the oil-water mixtu
1. A system for converting triacylglycerides-containing oils into crude oil precursors and/or distillate hydrocarbon fuels, the system comprising: a mixing device for mixing a triacylglycerides-containing oil feed with water to form an oil-water mixture;a mixing device for mixing the oil-water mixture with hydrogen to form a feed mixture;a hydrothermolysis reactor for reacting the feed mixture at a temperature in the range of 250° C. to about 525° C. and a pressure greater than about 75 bar to produce a reaction effluent;a hydrotreater for hydrotreating the reaction effluent, the system is configured to feed the reaction effluent to the hydrotreater without intermediate separation of water;a separator for separating water and hydrogen from hydrocarbons in the hydrotreated effluent. 2. The system of claim 1, further comprising one or more fluid conduits for recycling the hydrogen to the mixing device for mixing hydrogen. 3. The system of claim 1, further comprising a feed-effluent exchanger configured to preheat with feed mixture via indirect heat exchange with the reaction effluent. 4. The system of claim 1, wherein the hydrotreater comprises at least two catalyst beds, and wherein: a first catalyst bed comprises a catalyst having hydrogenation activity;a second catalyst bed comprises a catalyst having hydrocracking activity. 5. The system of claim 1, wherein the catalyst bed proximate an inlet of the hydrotreater comprises a catalyst useful for at least one of: decarboxylation;hydrodeoxygenation of unsaturated free fatty acids to produce C5-C24 paraffins;saturation of mono-, di- and tri-olefins contained in the alkyl backbone of the free fatty acids;hydrodenitrogenation of trace organic nitrogen compounds; andcatalyst tolerance for water coming in with the hydrocarbonaceous feed. 6. The system of claim 5, wherein the catalysts having hydrocracking activity are comprised of one or more noble metals supported on low acidity zeolites wherein the zeolite acidity is widely distributed throughout each catalyst particle. 7. The system of claim 1, further comprising one or more fluid conduits for co-processing a non-renewable hydrocarbon feedstock with the reaction effluent in the hydrotreater. 8. The system of claim 1, wherein the hydrothermolysis reactor comprises one or more tubular conduits within a furnace configured to maintain a temperature of the hydrothermolysis reactor effluent proximate an outlet of the hydrothermolysis reactor at a temperature in the range from about 400° C. to about 525° C. 9. A system for converting triacylglycerides-containing oils into crude oil precursors and/or distillate hydrocarbon fuels, the system comprising: one or more mixing devices for mixing a triacylglycerides-containing oil feed with water, and hydrogen, together or separately, to form a feed mixture;a hydrothermolysis reactor for reacting the feed mixture to produce a reaction effluent;one or more fluid conduits configured to inject water into the hydrothermolysis reactor to maintain a temperature or temperature profile within the hydrothermolysis reactor;a hydrotreater for hydrotreating the reaction effluent, wherein no separator is located intermediate the hydrotheimolysis reactor and the hydrotreater;a separator for separating water and hydrogen from hydrocarbons in the hydrotreated effluent. 10. The system of claim 9, further comprising a fractionator for fractionating hydrocarbons in the hydrotreated effluent to form one or more hydrocarbon fractions boiling in the naphtha, jet or diesel range. 11. The system of claim 9, wherein the hydrotreater comprises at least two catalyst beds, and wherein: a first catalyst bed comprises a catalyst having hydrogenation activity;a second catalyst bed comprises a catalyst having hydrocracking activity. 12. The system of claim 9, wherein the catalyst bed proximate an inlet of the hydrotreater comprises a catalyst useful for at least one of: decarboxylation;hydrodeoxygenation of unsaturated free fatty acids to produce C5-C24 paraffins;saturation of mono-, di- and tri-olefins contained in the alkyl backbone of the free fatty acids;hydrodenitrogenation of trace organic nitrogen compounds; andcatalyst tolerance for water coming in with the hydrocarbonaceous feed. 13. The system of claim 12, wherein the catalysts having hydrocracking activity are comprised of one or more noble metals supported on low acidity zeolites wherein the zeolite acidity is widely distributed throughout each catalyst particle. 14. The system of claim 9, further comprising a feed preheater configured to elevate the temperature of the feed mixture prior to the hydrothermolysis reactor. 15. A system for converting triacylglycerides-containing oils into crude oil precursors and/or distillate hydrocarbon fuels, the system comprising: a mixing device for mixing a triacylglycerides-containing oil feed with water and hydrogen to form a feed mixture;a hydrothermolysis reactor for reacting the feed mixture at a temperature in the range of 250° C. to about 525° C. and a pressure greater than about 75 bar to produce a reaction effluent comprising water, hydrogen, and hydrocarbons, wherein the hydrothermolysis reactor is configured to conduct the reacting in the absence of an added inorganic heterogeneous catalyst;a hydrotreater for hydrotreating the reaction effluent comprising water, hydrogen, and hydrocarbons, wherein no separator is located intermediate the hydrothermolysis reactor and the hydrotreater: anda separator for separating water and hydrogen from hydrocarbons in the hydrotreated effluent. 16. The system of claim 15, further comprising a feed-effluent exchanger configured to preheat with feed mixture via indirect heat exchange with the reaction effluent. 17. The system of claim 15, wherein the hydrotreater comprises at least two catalyst beds, and wherein: a first catalyst bed comprises a catalyst having hydrogenation activity;a second catalyst bed comprises a catalyst having hydrocracking activity. 18. The system of claim 15, wherein the separator further comprises: a drum configured to separate hydrogen and light byproducts from water and hydrocarbons, and to produce a gas stream, a water stream, and a hydrocarbon stream;a fractionator configured to separate the hydrocarbons into one or more fractions boiling in the naphtha, jet or diesel range;a gas separator configured to separate hydrogen from light byproducts in the gas stream; anda flow conduit configured to recycle the separated hydrogen to the hydrothermolysis reactor.
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