[특허]Process for producing high quality coke in delayed coker utilizing mixed solvent deasphalting

Process for producing high quality coke in delayed coker utilizing mixed solvent deasphalting 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C10B-057/04 C10G-021/00 C10G-067/04 C10G-055/04 C10B-055/00 C10G-021/14
출원번호	US-0491560 (2017-04-19)
등록번호	US-10125318 (2018-11-13)
발명자 / 주소	Koseoglu, Omer Refa
출원인 / 주소	Saudi Arabian Oil Company
대리인 / 주소	Dinsmore & Shohl LLP
인용정보	피인용 횟수 : 0 인용 특허 : 35

초록 ▼

Process embodiments for producing green coke from residual oil comprise introducing residual oil and a solvent mixture into a mixing vessel to produce a feed mixture, the solvent mixture comprising at least one paraffinic solvent with a carbon number from 3 to 8 and at least one aromatic solvent, where the solvent mixture comprises from 0.1 to 10% by volume of aromatic solvent and 90 to 99.9% by volume of paraffinic solvent, passing the feed mixture to a solvent deasphalting unit to produce a deasphalted oil (DAO) fraction and an asphalt fraction, and passing the DAO fraction to a delayed coker to produce the green coke and a delayed coker effluent.

대표청구항 ▼

1. A process for producing green coke from residual oil comprising: introducing residual oil and a solvent mixture into a mixing vessel to produce a feed mixture, the solvent mixture comprising at least one paraffinic solvent with a carbon number from 3 to 8 and at least one aromatic solvent, where the solvent mixture comprises from 0.1 to 10% by volume of aromatic solvent and 90 to 99.9% by volume of paraffinic solvent;passing the feed mixture to a solvent deasphalting unit to produce a deasphalted oil (DAO) fraction and an asphalt fraction; andpassing the DAO fraction to a delayed coker to produce the green coke and a delayed coker effluent. 2. The process of claim 1, further comprising passing the delayed coker effluent to a fractionator unit, where the fractionator unit separates the delayed coker effluent into separate fractionater output streams comprising: solvent and light naphtha; heavy naphtha; light coker gas oil; heavy coker gas oil; and unconverted bottoms oil. 3. The process of claim 2, further comprising recycling the solvent and light naphtha back to the mixing vessel. 4. The process of claim 2, where the solvent has a final boiling point of up to 100° C. 5. The process of claim 2, further comprising recycling the unconverted bottoms oil back to one or more of the mixing vessel and the delayed coker. 6. The process of claim 1, further comprising subjecting the asphalt fraction to asphalt utilization and conversion steps. 7. The process of claim 6, where the asphalt utilization and conversion steps includes include gasification, delivery to an asphalt pool, pyrolysis or combinations thereof. 8. The process of claim 1, further comprising a separator and stripper downstream of the solvent deasphalting unit. 9. The process of claim 1, where the solvent deasphalting unit comprises a first settler tank and a second settler tank downstream of the first settler tank. 10. The process of claim 9, where the first settler tank converts the feed mixture into an intermediate DAO fraction and a first asphalt fraction. 11. The process of claim 9, where the second settler tank converts the intermediate DAO fraction to a second asphalt fraction and the DAO fraction. 12. The process of claim 1, where the delayed coker comprises dual delayed coking drums. 13. The process of claim 1, where the aromatic solvents comprise a single ring aromatic compound. 14. The process of claim 1, where the solvent mixture comprises at least one olefinic solvent. 15. The process of claim 1, where the ratio of solvent mixture-to-residual oil in the feed mixture is from 0.1:1 to 10:1 by volume. 16. The process of claim 15, where the ratio of solvent mixture-to-residual oil is from 2:1 to 10:1 by volume. 17. The process of claim 1, further comprising calcining the green coke from the delayed coker to produce high quality coke. 18. The process of claim 1, where the solvent deasphalting unit operates at a temperature and pressure less than the supercritical temperature and pressure of the solvent mixture. 19. The process of claim 1, where the aromatic solvents are polar solvents having a Hildebrand solubility parameter of at least 8.5. 20. A process for producing green coke from residual oil comprising: introducing residual oil and a solvent mixture into a mixing vessel to produce a feed mixture, the solvent mixture comprising at least one paraffinic solvent with a carbon number from 3 to 8 and at least one aromatic solvent;passing the feed mixture to a solvent deasphalting unit to produce a deasphalted oil (DAO) fraction and an asphalt fraction;passing the DAO fraction to a hydrotreater unit to produce a hydrotreated DAO fraction; andpassing the hydrotreated DAO fraction to a delayed coker to produce the high quality coke and a delayed coker effluent.

이 특허에 인용된 특허 (35)

Abdel-Halim Tayseer ; Floyd Raymond H. ; Low Jim Y. ; Moretta Jon C. ; Silverman Michael A. ; Sloan Harold D., Anode grade coke production.
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Rollmann Louis D. (Princeton NJ) Walsh Dennis E. (Richboro PA), Deasphalting process.
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Dugan John J. (Sarnia CA) Eng Jackson (Sarnia CA), Deasphalting with liquid hydrogen sulfide.
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Koseoglu, Omer Refa, Delayed coking process utilizing adsorbent materials.
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McCoy, James N.; Keusenkothen, Paul F., Disposition of steam cracked tar.
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Koseoglu, Omer Refa, Enhanced solvent deasphalting process for heavy hydrocarbon feedstocks utilizing solid adsorbent.
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Iqbal, Rashid; Eng, Odette, Flash processing a solvent deasphalting feed.
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Kovach Stephen M. (Ashland KY) Cornelius Edward B. (Ashland KY), Homogenization of water and reduced crude for catalytic cracking.
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Keusenkothen, Paul F.; Renstrom, Megan L.; Wolfenbarger, Julian A.; Brown, Stephen H.; Buchanan, John S., Hydrocarbon resid processing.
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Garwin ; Leo, Hydrocarbon solvent treatment of bituminous materials.
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Koseoglu, Omer Refa; Bourane, Abdennour, Integrated deasphalting and oxidative removal of heteroatom hydrocarbon compounds from liquid hydrocarbon feedstocks.
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Koseoglu, Omer Refa, Integrated hydrotreating and isomerization process with aromatic separation.
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Lankton Steven P. (Wheeling IL) Kalnes Tom N. (La Grange IL) James ; Jr. Robert B. (Northbrook IL), Integrated process for the production of distillate hydrocarbon.
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Kalnes Tom N. (La Grange IL) Lankton Steven P. (Wheeling IL) James ; Jr. Robert B. (Northbrook IL), Integrated process for the production of high quality lube oil blending stock.
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Audeh Costandi A. (Princeton) Rankel Lillian A. (Princeton NJ), Integrated process for whole crude deasphalting and asphaltene upgrading.
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Subramanian, Anand; Floyd, Raymond, Integrated solvent deasphalting and dewatering.
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Iqbal, Rashid, Integrated solvent deasphalting and gasification.
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Kolstad Jeffrey J. (Wayzata MN) Beaton William I. (Wheaton IL) Taylor James L. (Naperville IL), Means for and methods of removing heavy bottoms from an effluent of a high temperature flash drum.
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Bronicki,Yoram, Method of and apparatus for processing heavy hydrocarbon feeds.
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Hood Richard L. ; Rettger Phillip B. ; Goldstein Randall S. ; Bronicki Lucien Y.,ILX, Method of and means for upgrading hydrocarbons containing metals and asphaltenes.
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Hood Richard L. ; Rettger Phillip B. ; Goldstein Randall S. ; Bronicki Lucien Y.,ILX ; Doron Benjamin,ILX ; Sinai Joseph,ILX, Method of and means for upgrading hydrocarbons containing metals and asphaltenes.
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Gatsis John G. (Des Plaines IL), Method of solvent extraction of coal by a heavy oil.
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Khan, Rashid M., Methods for making higher value products from sulfur containing crude oil.
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Zaki, Nael Naguib; Kilpatrick, Peter Kelley; Carbonell, Ruben Guillermo, Methods of deresinating crude oils using carbon dioxide.
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Koseoglu, Omer Refa; Al-Hajji, Adnan; Al-Nufaily, Jaffar H.; Ahmad, Dhiya Al Syed; Muller, Hendrik, Process for upgrading whole crude oil to remove nitrogen and sulfur compounds.
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Harandi Mohsen N. (Langhorne PA), Processing waste over spent FCC catalyst.
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Ariyapadi, Siva; Shires, Philip, Systems and methods for producing substitute natural gas.
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Ariyapadi, Siva; Shires, Philip, Systems and methods for producing substitute natural gas.
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Process for producing high quality coke in delayed coker utilizing mixed solvent deasphalting 원문보기

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Process for producing high quality coke in delayed coker utilizing mixed solvent deasphalting 원문보기

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