[특허]Apparatus for multi-staged hydroprocessing

[미국특허] Apparatus for multi-staged hydroprocessing 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01J-008/00 C07C-005/00
출원번호	US-0495601 (2009-06-30)
등록번호	US-8221706 (2012-07-17)
발명자 / 주소	Petri, John A. Murty, Vedula K. Kokayeff, Peter
출원인 / 주소	UOP LLC
대리인 / 주소	Paschall, James C
인용정보	피인용 횟수 : 4 인용 특허 : 76

초록 ▼

Apparatuses for processing a hydrocarbonaceous feedstock flows are provided. In one aspect, the method includes providing two or more hydroprocessing stages disposed in sequence, each hydroprocessing stage having a hydroprocessing reaction zone with a hydrogen requirement and each stage in fluid communication with the preceding stage. A hydrogen source is provided substantially free of hydrogen from a hydrogen recycle compressor. The hydrocarbonaceous feedstock flow is separated into an portions of fresh feed for each hydroprocessing stage, and the first portion of fresh feed to the first hydroprocessing stage is heated. The heated first portion of fresh feed is supplied with hydrogen from the hydrogen source in an amount satisfying substantially all of the hydrogen requirements of the hydroprocessing stages to a first hydroprocessing zone. The unheated second portion of fresh feed is admixed with effluent from previous stage to quench the hot reactor effluent before entering a second stage.

대표청구항 ▼

1. An apparatus for processing a hydrocarbonaceous feedstock comprising: two or more hydroprocessing stages disposed in sequence and each stage in fluid communication with the preceding stage;a hydrogen line out of downstream communication with said hydroprocessing stages but optionally through a make-up gas compressor;a fresh hydrocarbonaceous feed line;a first hydrocarbonaceous portion line in downstream communication with said fresh hydrocarbonaceous feed line and with said hydrogen line;a heater on one of said first hydrocarbonaceous feed line or said hydrogen line for ultimately heating the hydrocarbonaceous feed in the first hydrocarbonaceous portion line;a first hydroprocessing stage in downstream communication with said first hydrocarbonaceous portion line, said hydrogen line and said heater;a second hydrocarbonaceous portion line in downstream communication with said fresh hydrocarbonaceous feed line and out of communication with the heater;a first hydroprocessed effluent line from said first hydroprocessing stage in downstream communication with said second hydrocarbonaceous portion line; anda second hydroprocessing stage in downstream communication with said first hydroprocessed effluent line and said second hydrocarbonaceous portion line. 2. The apparatus of claim 1 wherein the second hydrocarbonaceous portion line is out of communication with the hydrogen line. 3. The apparatus of claim 1 further comprising several heaters on one or both of said first hydrocarbonaceous feed line and said hydrogen line for ultimately heating the hydrocarbonaceous feed in the first hydrocarbonaceous portion line. 4. The apparatus of claim 1 wherein each hydroprocessing stage is supplied with at least one catalyst bed having a catalyst volume, the catalyst volume increasing in each subsequent hydroprocessing stage. 5. The apparatus of claim 1 further comprising a separator downstream of said second hydroprocessing stage for separating a vapor stream from a liquid stream. 6. The apparatus of claim 1 further comprising: a third hydrocarbonaceous portion line in downstream communication with said fresh hydrocarbonaceous feed line;a third hydroprocessing stage in downstream communication with said third hydrocarbonaceous portion line, said hydrogen line and said heater;a fourth hydrocarbonaceous portion line in downstream communication with said fresh hydrocarbonaceous feed line;a fourth hydroprocessing stage in downstream communication with said fourth hydrocarbonaceous portion line, said hydrogen line and said heater. 7. An apparatus for processing a hydrocarbonaceous feedstock comprising: two or more hydroprocessing stages disposed in sequence and each stage in fluid communication with the preceding stage;a hydrogen line out of downstream communication with said hydroprocessing stages but optionally through a make-up gas compressor;a fresh hydrocarbonaceous feed line;a first hydrocarbonaceous portion line in downstream communication with said fresh hydrocarbonaceous feed line and with said hydrogen line;a heater on said first hydrocarbonaceous feed line for ultimately heating the hydrocarbonaceous feed in the first hydrocarbonaceous portion line;a first hydroprocessing stage in downstream communication with said first hydrocarbonaceous portion line, said hydrogen line and said heater;a second hydrocarbonaceous portion line in downstream communication with said fresh hydrocarbonaceous feed line and out of communication with the hydrogen line;a first hydroprocessed effluent line from said first hydroprocessing stage in downstream communication with said second hydrocarbonaceous portion line; anda second hydroprocessing stage in downstream communication with said first hydroprocessed effluent line and said second hydrocarbonaceous portion line. 8. The apparatus of claim 7 wherein the second hydrocarbonaceous portion line is out of communication with the heater. 9. The apparatus of claim 7 further comprising several heaters on one or both of said first hydrocarbonaceous feed line and said hydrogen line for ultimately heating the hydrocarbonaceous feed in the first hydrocarbonaceous portion line. 10. The apparatus of claim 7 wherein each hydroprocessing stage is supplied with at least one catalyst bed having a catalyst volume, the catalyst volume increasing in each subsequent hydroprocessing stage. 11. The apparatus of claim 7 further comprising a separator downstream of said second hydroprocessing stage for separating a vapor stream from a liquid stream. 12. The apparatus of claim 7 further comprising: a third hydrocarbonaceous portion line in downstream communication with said fresh hydrocarbonaceous feed line;a third hydroprocessing stage in downstream communication with said third hydrocarbonaceous portion line, said hydrogen line and said heater;a fourth hydrocarbonaceous portion line in downstream communication with said fresh hydrocarbonaceous feed line;a fourth hydroprocessing stage in downstream communication with said fourth hydrocarbonaceous portion line, said hydrogen line and said heater. 13. An apparatus for processing a hydrocarbonaceous feedstock comprising: two or more hydroprocessing stages disposed in sequence and each stage in fluid communication with the preceding stage;a hydrogen line;a fresh hydrocarbonaceous feed line;a first hydrocarbonaceous portion line in downstream communication with said fresh hydrocarbonaceous feed line and with said hydrogen line;a heater on one of said first hydrocarbonaceous feed line or said hydrogen line for ultimately heating the hydrocarbonaceous feed in the first hydrocarbonaceous portion line;a first hydroprocessing stage in downstream communication with said first hydrocarbonaceous portion line, said hydrogen line and said heater;a second hydrocarbonaceous portion line in downstream communication with said fresh hydrocarbonaceous feed line and out of communication with the heater;a first hydroprocessed effluent line from said first hydroprocessing stage in downstream communication with said second hydrocarbonaceous portion line; anda second hydroprocessing stage in downstream communication with said first hydroprocessed effluent line and said second hydrocarbonaceous portion line. 14. The apparatus of claim 13 wherein the second hydrocarbonaceous portion line is out of communication with the hydrogen line. 15. The apparatus of claim 13 further comprising several heaters on one or both of said first hydrocarbonaceous feed line and said hydrogen line for ultimately heating the hydrocarbonaceous feed in the first hydrocarbonaceous portion line. 16. The apparatus of claim 13 further comprising a separator downstream of said second hydroprocessing stage for separating a vapor stream from a liquid stream. 17. The apparatus of claim 13 further comprising: a third hydrocarbonaceous portion line in downstream communication with said fresh hydrocarbonaceous feed line;a third hydroprocessing stage in downstream communication with said third hydrocarbonaceous portion line, said hydrogen line and said heater;a fourth hydrocarbonaceous portion line in downstream communication with said fresh hydrocarbonaceous feed line;a fourth hydroprocessing stage in downstream communication with said fourth hydrocarbonaceous portion line, said hydrogen line and said heater.

이 특허에 인용된 특허 (76) 인용/피인용 타임라인 분석

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