Integration of residue hydrocracking and hydrotreating
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C10G-065/10
C10G-065/12
C07C-004/06
C10G-065/00
출원번호
US-0185237
(2014-02-20)
등록번호
US-9650312
(2017-05-16)
발명자
/ 주소
Baldassari, Mario C.
Mukherjee, Ujjal K.
Olsen, Ann-Marie
Greene, Marvin I.
출원인 / 주소
Lummus Technology Inc.
대리인 / 주소
Osha Liang LLP
인용정보
피인용 횟수 :
0인용 특허 :
36
초록▼
A process for upgrading residuum hydrocarbons is disclosed. The process may include: contacting a residuum hydrocarbon fraction and hydrogen with a first hydroconversion catalyst in a first ebullated bed hydroconversion reactor system; recovering a first effluent from the first ebullated bed hydroco
A process for upgrading residuum hydrocarbons is disclosed. The process may include: contacting a residuum hydrocarbon fraction and hydrogen with a first hydroconversion catalyst in a first ebullated bed hydroconversion reactor system; recovering a first effluent from the first ebullated bed hydroconversion reactor system; solvent deasphalting a vacuum residuum fraction to produce a deasphalted oil fraction and an asphalt fraction; contacting the deasphalted oil fraction and hydrogen with a second hydroconversion catalyst in a second hydroconversion reactor system; recovering a second effluent from the second hydroconversion reactor system; and fractionating the first effluent from the first ebullated bed hydroconversion reactor system and the second effluent from the second hydroconversion reactor system to recover one or more hydrocarbon fractions and the vacuum residuum fraction in a common fractionation system.
대표청구항▼
1. A process for upgrading residuum hydrocarbons, the process comprising: contacting a residuum hydrocarbon fraction and hydrogen with a first hydroconversion catalyst in a first ebullated bed hydroconversion reactor system;recovering a first effluent from the first ebullated bed hydroconversion rea
1. A process for upgrading residuum hydrocarbons, the process comprising: contacting a residuum hydrocarbon fraction and hydrogen with a first hydroconversion catalyst in a first ebullated bed hydroconversion reactor system;recovering a first effluent from the first ebullated bed hydroconversion reactor system;contacting a first portion of the first effluent and hydrogen with a second hydroconversion catalyst in a second hydroconversion reactor system;recovering a second effluent from the second hydroconversion reactor system;contacting a first portion of the second effluent and hydrogen with a third hydroconversion catalyst in a second ebullated bed hydroconversion reactor system;recovering a third effluent from the second ebullated bed hydroconversion reactor system; andfractionating the third effluent from the second ebullated bed hydroconversion reactor system to recover one or more hydrocarbon fractions,wherein a second portion of the first effluent, a second portion of the second effluent and the third effluent is fed to a common fractionation system. 2. The process of claim 1, wherein the second hydroconversion reactor system comprises a fixed bed reactor. 3. The process of claim 1, further comprising recycling a vacuum residuum hydrocarbon fraction to at least one of the first ebullated bed hydroconversion reactor system, the second hydroconversion reactor system, and the second ebullated bed hydroconversion reactor system. 4. The process of claim 1, further comprising recycling a vacuum gas oil hydrocarbon fraction to at least one of the first ebullated bed hydroconversion reactor system, the second hydroconversion reactor system, and the second ebullated bed hydroconversion reactor system. 5. The process of claim 1, wherein the residuum hydrocarbon fraction comprises at least one of petroleum atmospheric or vacuum residua, deasphalted oils, deasphalter pitch, hydrocracked atmospheric tower or vacuum tower bottom, straight run vacuum gas oil, hydrocracked vacuum gas oil, fluid catalytically cracked (FCC) slurry oils, vacuum gas oil from an ebullated bed process, shale-derived oils, coal-derived oils, bioderived crude oils, tar sands bitumen, tall oils, black oils. 6. The process of claim 1, wherein the contacting in the first ebullated bed hydroconversion reactor system comprises selecting operating conditions sufficient to result in a hydrocarbon conversion in the range from about 25 wt % to about 35 wt % and metals removal in the range from about 50 wt % to about 80 wt %. 7. The process of claim 1, wherein the contacting in the second hydroconversion reactor system comprises selecting operating conditions sufficient to result in a hydrocarbon conversion in the range from about 40 wt % to about 55 wt %, a desulfurization/denitrogenation rate in the range from about 70 to about 85%, and Conradson Carbon Residue removal is in the range from about 60 wt % to about 70 wt %. 8. The process of claim 1, wherein the contacting in the second ebullated bed hydroconversion reactor system comprises selecting operating conditions sufficient to result in a hydrocarbon conversion in the range from about 30 wt % to about 75 wt % and a desulfurization/denitrogenation rate in the range from about 85 to about 95%. 9. The process of claim 1, wherein a fuel oil produced via the fractionating the second ebullated bed hydroconversion reactor system effluent has a sulfur content of about 1.0 wt % or less. 10. The process of claim 1, wherein an overall conversion of the residuum hydrocarbon fraction is in the range from about 70 wt % to about 80 wt %. 11. The process of claim 1, wherein the temperature in the second ebullated-bed hydroconversion system is greater than the temperature in the first ebullated-bed hydroconversion system. 12. A system for upgrading residuum hydrocarbons, the system comprising: a first ebullated bed hydroconversion reactor system for contacting a residuum hydrocarbon fraction and hydrogen with a first hydroconversion catalyst to produce a first effluent;a second hydroconversion reactor system for contacting a first portion of the first effluent and hydrogen with a second hydroconversion catalyst to produce a second effluent;a second ebullated bed hydroconversion reactor system for contacting a first portion of the second effluent and hydrogen with a third hydroconversion catalyst to produce a third effluent; anda fractionation unit to fractionate the third effluent, a second portion of the first effluent, and a second portion of the second effluent to recover one or more hydrocarbon fractions and a vacuum residuum fraction. 13. The system of claim 12, wherein the second hydroconversion reactor system includes a fixed bed hydroconversion reactor system. 14. A process for upgrading residuum hydrocarbons, the process comprising: contacting a residuum hydrocarbon fraction and hydrogen with a first hydroconversion catalyst in a first ebullated bed hydroconversion reactor system;recovering a first effluent from the first ebullated bed hydroconversion reactor system;contacting a first portion of the first effluent and hydrogen with a second hydroconversion catalyst in a second hydroconversion reactor system;recovering a second effluent from the second hydroconversion reactor system;contacting the second effluent and hydrogen with a third hydroconversion catalyst in a third hydroconversion reactor system;recovering a third effluent from the third hydroconversion reactor system;combining a second portion of the first effluent and the third effluent to form a combined feed;feeding the combined feed to a separator to produce a vapor fraction and a liquid fraction;fractionating the liquid fraction to recover the vacuum residuum fraction in a first fractionation system;contacting the vapor fraction with a fourth hydroconversion catalyst in a fourth hydroconversion reactor system;recovering a fourth effluent from the fourth hydroconversion reactor system;fractionating the fourth effluent to recover one or more hydrocarbon fractions in a second fractionation system. 15. A system for upgrading residuum hydrocarbons, the system comprising: a first ebullated bed hydroconversion reactor system for contacting a residuum hydrocarbon fraction and hydrogen with a first hydroconversion catalyst to produce a first effluent;a second hydroconversion reactor system for contacting the first effluent and hydrogen with a second hydroconversion catalyst to produce a second effluent;a second ebullated bed hydroconversion reactor system for contacting the second effluent and hydrogen with a third hydroconversion catalyst to produce a third effluent; anda separator for separating a combined fraction of the second first effluent and the third effluent to recover a liquid fraction and a vapor fraction;a fractionation unit to fractionate the liquid fraction to recover the vacuum residuum fraction;a fourth hydroconversion reactor system for contacting the vapor fraction with a fourth hydroconversion catalyst to produce a fourth effluent; anda fractionation unit to fractionate the fourth effluent to recover one or more hydrocarbon fractions.
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이 특허에 인용된 특허 (36)
McGehee, James F.; Bauer, Lorenz J., Apparatus for producing hydrocarbon fuel.
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