[특허]Process and system for preparation of hydrocarbon feedstocks for catalytic cracking

Process and system for preparation of hydrocarbon feedstocks for catalytic cracking 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C10G-009/00 C10G-011/00 C10G-055/06 C10G-069/04
출원번호	US-0496037 (2009-07-01)
등록번호	US-9458390 (2016-10-04)
발명자 / 주소	Keusenkothen, Paul F.
출원인 / 주소	ExxonMobil Chemical Patents Inc.
인용정보	피인용 횟수 : 0 인용 특허 : 36

초록 ▼

A process, apparatus and system for forming light olefins, the process including heating a resid-containing hydrocarbon feedstock containing at least 10 ppmw of metals to vaporize at least 90 wt. % of said hydrocarbon feedstock; separating in a knockout drum a hydrocarbon vapor portion having less than 10 ppmw metals from a non-vaporized resid-containing portion; and feeding said hydrocarbon vapor to a catalytic cracking process to form light olefins.

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1. A process for forming light olefins, comprising: (a) heating a hydrocarbon feedstock containing at least 10 ppmw of metals and at least 5.0 wt % asphaltenes at a temperature range of from 870° F. to 1000° F. to produce a vaporized hydrocarbon by visbreaking said hydrocarbon feedstock and vaporizing at least 98 wt. % of said hydrocarbon feedstock;(b) separating the vaporized hydrocarbon in a knockout drum to produce a hydrocarbon vapor portion having less than 10 ppmw metals and a non-vaporized resid-containing portion, wherein (i) said visbreaking of step (a) is carried out upstream of the knockout drum, (ii) steps (a) and (b) are carried out upstream of any hydroprocessing of said hydrocarbon feedstock, (iii) additional visbreaking is carried out in the knockout drum, and (iv) said hydrocarbon vapor portion has less than 5 ppmw of metals; and(c) feeding said hydrocarbon vapor portion to a catalytic cracking process to form light olefins. 2. The process of claim 1, further comprising heating said non-vaporized resid-containing portion in an indirect heat exchanger to produce a heated resid-containing hydrocarbon feedstock and feeding the heated resid-containing hydrocarbon feedstock to said knockout drum. 3. The process of claim 1, further comprising heating said non-vaporized resid-containing portion in said knockout drum. 4. The process of claim 1, further comprising heating said knockout drum internally with at least one of an immersion heater, introduction into said knockout drum of steam, and introduction into said knockout drum of a heated gas, and combinations thereof. 5. The process of claim 1, further comprising heating said hydrocarbon feedstock using at least one of indirect heat exchange, convection heating, steam, hot gas, an immersion heater within said knockout drum, and combinations thereof. 6. The process of claim 1, wherein said catalytic cracking process is selected from the group consisting of a catalytic pyrolysis process, a fluidized catalytic cracking process, a high severity fluidized catalytic cracking process, and a deep catalytic cracking process. 7. The process of claim 1, wherein said non-vaporized resid-containing portion comprises unfractionated crude. 8. A process for forming light olefins, comprising: (a) hydrodemetallizing a liquid hydrocarbon feedstock containing at least about 10 ppmw metals to form a hydrodemetallized feedstock;(b) visbreaking said hydrodemetallized feedstock in a tar knockout drum to produce a visbroken hydrodemetallized feedstock and separating said visbroken hydrodemetallized feedstock in the tar knockout drum into (i) a hydrocarbon vapor effluent having less than about 5 ppmw metals, said hydrocarbon vapor effluent comprises at least 98 wt. % of said hydrodemetallized feedstock, and (ii) a non-vaporized resid-containing portion, said hydrodemetallized feedstock's metals remaining in said non-vaporized resid-containing portion; and(c) feeding said hydrocarbon vapor effluent to a catalytic cracking process to form light olefins. 9. The process of claim 8, further comprising visbreaking at least a portion of said hydrodemetallized feedstock at a location upstream of the tar knockout drum. 10. The process of claim 8, further comprising further hydroprocessing at least a portion of said non-vaporized resid-containing portion. 11. The process of claim 8, wherein said catalytic cracking process comprises a catalytic pyrolysis process.

이 특허에 인용된 특허 (36)

Stell,Richard C.; McCoy,James N., Apparatus and process for controlling temperature of heated feed directed to a flash drum whose overhead provides feed for cracking.
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Aldridge Clyde L. (Baton Rouge LA) Bearden ; Jr. Roby (Baton Rouge LA), Cat cracking feed preparation.
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Frayer James A. (Pittsburgh PA) Stauffer Harry C. (Cheswick PA) Wynne ; Jr. Francis E. (Allison Park PA) Yanik Stephen J. (Valencia PA), Combination residual oil hydrodesulfurization and thermal cracking process.
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Stell,Richard C.; Stephens,George; Bancroft,Jennifer L.; Messinger,John R., Cracking hydrocarbon feedstock containing resid utilizing partial condensation of vapor phase from vapor/liquid separation to mitigate fouling in a flash/separation vessel.
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Galiasso Roberto (Caracas VEX) Morales Alfredo (Caracas VEX) Salazar Jose A. (Caracas VEX), Hydrocracking high residual contained in vacuum gas oil.
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Chen, Tan Jen; Keusenkothen, Paul F.; Wu, J. Jason; Buchanan, John Scott; Cao, Guang; Iaccino, Larry L.; Stern, David L.; Vincent, Matthew J., Hydrothermally stable catalyst and its use in catalytic cracking.
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Bradow Carl W. ; Grenoble Dane Clark ; Milam Stanley N. ; Winquist Bruce H. C. ; Murray Brendan D. ; Foley Richard M., Integrated hydrotreating steam cracking process for the production of olefins.
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Serrand Willibald,DEX ; Hammond David G. ; Jacobson Mitchell ; Pagel John F. ; Poole Martin C., Integrated residua upgrading and fluid catalytic cracking.
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Strack, Robert David; Stell, Richard C.; Messinger, John R.; Grenoble, Dane C.; Asplin, John E., Method for processing hydrocarbon pyrolysis effluent.
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Bridges Robert S. ; Halsey Richard B. ; Powers Don H., Method of producing olefins from petroleum residua.
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Chen,Tan Jen; Buchanan,John Scott; Henry,Brian Erik; Keusenkothen,Paul F.; Ruziska,Philip A.; Stern,David L., Multi component catalyst and its use in catalytic cracking.
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Powers, Donald H., Olefin production utilizing whole crude oil.
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Yingxun Sha CN; Zhongqiang Cui CN; Guoliang Wang CN; Mingdang Wang CN, Optimized process for the preparation of olefins by direct conversion of multiple hydrocarbons.
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Stell,Richard C.; Balinsky,George J.; McCoy,James N.; Keusenkothen,Paul F., Process and apparatus for cracking hydrocarbon feedstock containing resid.
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Stell,Richard C.; Bancroft,Jennifer L.; DiNicolantonio,Arthur R.; Annamalai,Subramanian; McCoy,James N.; Keusenkothen,Paul F.; Stephens,George; Messinger,John R.; Frye,James Mitchell; Vidonic,Nick G., Process and apparatus for cracking hydrocarbon feedstock containing resid to improve vapor yield from vapor/liquid separation.
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Stell,Richard C.; Di Nicolantonio,Arthur R.; Frye,James M.; Annamalai,Subramanian; Vidonic,Nicholas G., Process and apparatus for removing coke formed during steam cracking of hydrocarbon feedstocks containing resids.
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Stell,Richard C.; Annamalai,Subramanian; Frye,James M., Process and draft control system for use in cracking a heavy hydrocarbon feedstock in a pyrolysis furnace.
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Wilt Brian K. ; Welch William T., Process for analysis of asphaltene content in hydrocarbon mixtures by middle infrared spectroscopy.
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Spicer,David B.; Dinicolantonio,Arthur R.; Frye,James Mitchell; Stell,Richard C., Process for cracking hydrocarbon feed with water substitution.
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Xie Chaogang,CNX ; Li Zaiting,CNX ; Shi Wenyuan,CNX ; Wang Xieqing,CNX, Process for production of ethylene and propylene by catalytic pyrolysis of heavy hydrocarbons.
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Stell,Richard C.; Vidonic,Nicholas G., Process for reducing fouling from flash/separation apparatus during cracking of hydrocarbon feedstocks.
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Stell,Richard C.; Vidonic,Nicholas G., Process for reducing fouling from flash/separation apparatus during cracking of hydrocarbon feedstocks.
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Stell,Richard C., Process for reducing vapor condensation in flash/separation apparatus overhead during steam cracking of hydrocarbon feedstocks.
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McCoy, James N.; Spicer, David B.; Stell, Richard C., Process for steam cracking heavy hydrocarbon feedstocks.
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Stell,Richard C.; DiNicolantonio,Arthur R.; Frye,James Mitchell; Spicer,David B.; McCoy,James N.; Strack,Robert David, Process for steam cracking heavy hydrocarbon feedstocks.
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Keusenkothen,Paul F., Reduction of total sulfur in crude and condensate cracking.
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Stell,Richard C.; Strack,Robert D.; Frye,James M.; Srivastava,Alok; Annamalai,Subramanian; McCoy,James N., Steam cracking of hydrocarbon feedstocks containing non-volatile components and/or coke precursors.
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McCoy,James N.; Di Nicolantonio,Arthur R.; Frye,James M.; Stapleton,Melissa D.; Stell,Richard C., Steam cracking of hydrocarbon feedstocks containing salt and/or particulate matter.
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Beattie,David; Stell,Richard C.; Srivastava,Alok; McCoy,James N., Steam cracking of light hydrocarbon feedstocks containing non-volatile components and/or coke precursors.
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Ngan, Daniel Yuk-Kwan; Chan, Pui-Yuen Jeffrey; Baumgartner, Arthur James, Thermal cracking of crude oil and crude oil fractions containing pitch in an ethylene furnace.
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Wynne ; Jr. Francis Edmund (Allison Park PA), Thermal cracking process employing crushed oil shale as fuel.
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Schliebener Claus (Strasslach DEX) Wernicke Hans J. (Wolfratshausen DEX), Thermal cracking with post hydrogenation and recycle of heavy fractions.
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Wernicke Hans J. (Wolfratshausen DEX) Mikulla Klaus D. (Geretsried DEX), Use of vacuum residue in thermal cracking.
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Frye,James M.; Beattie,David; Stell,Richard C.; Annamalai,Subramanian; Srivastava,Alok, Vapor/liquid separation apparatus.
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Stell,Richard C.; Di Nicolantonio,Arthur R.; Stephens,George; Frye,James M., Vapor/liquid separation apparatus for use in cracking hydrocarbon feedstock containing resid.
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