[특허]Concurrent production of two grades of coke using a single fractionator

Concurrent production of two grades of coke using a single fractionator 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C10G-009/14
출원번호	US-0401810 (1982-07-26)
발명자 / 주소	Jansma John C. (Middleburg Heights OH)
출원인 / 주소	The Standard Oil Company (Cleveland OH 02)
인용정보	피인용 횟수 : 18 인용 특허 : 5

초록 ▼

An improved quality premium (needle) coke is produced from an aromatic concentrate as the feed and a non-coking feed supplement in lieu of recycle. The premium coker feed bypasses a fractionator, is combined with a non-coking feed supplement, heated in a furnace and charged to a coke drum. Vapors from the premium coking process are returned to a fractionator which is concurrently utilized in a regular grade coking operation. The premium coke thus formed is of a higher quality than coke made from conventional fractionator bottoms, and system costs are reduced by utilizing a single fractionator with concurrent production of regular and premium coke. A preferred embodiment shows additional benefits produced by a higher ratio of recycle to fresh feed to the coke drum during the last stage consisting of about 15 to 25 percent of the total fill cycle.

대표청구항 ▼

A process for the concurrent production of both regular and premium coke using a single fractionator, the process comprising (a) combining a recycle-free premium feed with a non-coking feed supplement to form a premium coker charge, (b) heating and introducing the charge to a premium coke drum to form coke and overhead vapors, (c) operating a single fractionator and withdrawing from it a regular grade coker recycle feed, (d) heating and charging said regular grade coker feed to a regular coke drum, to form coke and overhead vapors (e) passing the overhead vapors from both premium and regular coke drums to the fractionator.

이 특허에 인용된 특허 (5)

Kegler William H. (Ponca City OK), Control of feedstock for delayed coking.
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Sooter Matthew C. (Ponca City OK) Becraft Lloyd G. (Ponca City OK) Kegler William H. (Ponca City OK), Delayed coking process with hydrotreated recycle.
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Satchell ; Jr. ; Donald P., Hydrogen donor diluent cracking process.
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Schieber Franz (Pegnitzstrasse 12 8505 Rothenbach DT) Husnjak Petar (M. Tita 8 Sisak YU) Paro Frane (Rade Koncara Sisak YU) Koziol Konrad (Pegnitzstrasse 12 8505 Rothenbach DT) Zenk Baptist (Muhlhof , Method of producing special cokes.
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Garcia ; Roberto, Process for producing premium coke and aromatic residues for the manufacture of carbon black.
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이 특허를 인용한 특허 (18)

Etter, Roger G., Addition of a modified vapor line reactor process to a coking process.
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Etter, Roger G., Addition of a reactor process to a coking process.
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Etter, Roger G., Addition of a reactor process to a coking process.
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Etter, Roger G., Catalytic cracking of undesirable components in a coking process.
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Etter, Roger G., Catalytic cracking of undesirable components in a coking process.
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Dabkowski Michael J. (Mickleton NJ) Malladi Madhava (West Deptford NJ), Delayed coking process.
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Grove J. Jay (Cherry Hill NJ) Karsner Grant G. (Voorhees Township ; Camden County NJ), Delayed coking process.
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Newman Bruce A. (Ponca City OK) Shigley John K. (Stillwater OK) Fu Ta-Wei (Ponca City OK), Premium coking process.
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Newman Bruce A. (Ponca City OK) Chahar Bharat S. (Ponca City OK), Preparation of lower sulfur and higher sulfur cokes.
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Stavropoulos Napoleon (Fort Lee NJ), Process for delayed coking of coking feedstocks.
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Newman,Bruce A.; McConkey,Ivan G.; Goddard,Bruce R.; Roth,James R., Process for producing coke.
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Newman Bruce A. (Ponca City OK), Process for reducing the coarse-grain CTE of premium coke.
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Etter, Roger G., Production and use of a premium fuel grade petroleum coke.
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Etter, Roger G., Reactions with undesirable components in a coking process.
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Etter, Roger G., System and method for introducing an additive into a coking process to improve quality and yields of coker products.
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Etter, Roger G., System and method for introducing an additive into a coking process to improve quality and yields of coker products.
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Etter, Roger G.; Quinones, Augusto, System and method of introducing an additive with a unique catalyst to a coking process.
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Etter, Roger G.; Quinones, Augusto Rodolfo, System and method of introducing an additive with a unique catalyst to a coking process.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Concurrent production of two grades of coke using a single fractionator 원문보기