[특허]Hydrocracking of heavy hydrocarbon oils with heavy hydrocarbon recycle

Hydrocracking of heavy hydrocarbon oils with heavy hydrocarbon recycle 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C10G-047/22 C10G-009/12
출원번호	US-0133616 (1993-09-13)
발명자 / 주소	Sears Paul L. (Dunrobin CAX) de Bruijn Theo J. W. (Constance Bay CAX) Dawson William H. (Edmonton CAX) Pruden Barry B. (Calgary CAX) Jain Anil K. (Calgary CAX)
출원인 / 주소	Energy Mines & Resources - Canada (Ottawa CAX 03)
인용정보	피인용 횟수 : 64 인용 특허 : 0

초록 ▼

A heavy hydrocarbon oil, a substantial portion of which boils above 524°C., is subjected to hydrocracking with a fractionated heavy oil recycle stream containing active additive particles. In the process, a slurry feed of (1) fresh heavy hydrocarbon oil feedstock and a heavy hydrocarbon recycle and

대표청구항 ▼

A process for hydrocracking a heavy hydrocarbon oil feedstock, a substantial portion of which boils above 524°C., which comprises: (a) passing a slurry feed of (1) fresh heavy hydrocarbon oil feedstock and a heavy hydrocarbon recycle and (2) from about 0.01-4% by weight (based on fresh feedstock) of iron sulphate additive particles having sizes less than 45 mm with at least 50% by weight of the particles having sizes less than 10 mm, upwardly through a confined vertical hydrocracking zone, said hydrocracking zone being maintained at a temperature between about 350°and 600°C., a pressure of at least 3.5 MPa and a space velocity of up to 4 volumes of fresh .hydrocarbon oil per hour per volume of hydrocracking zone capacity, (b) removing from the top of said hydrocracking zone a mixed effluent containing a gaseous phase comprising hydrogen and vaporous hydrocarbons and a liquid phase comprising heavy hydrocarbons, (c) passing said mixed effluent into a hot separator vessel, (d) withdrawing from the top of the separator a gaseous stream comprising hydrogen and vaporous hydrocarbons, (e) withdrawing from the bottom of the separator a liquid heavy hydrocarbon stream comprising heavy hydrocarbons and particles of the iron sulphate additive converted mainly to an iron sulphide phase, (f) fractionating the separated liquid heavy hydrocarbon stream to obtain a heavy oil which boils above 450°C., said heavy oil containing said additive particles, and (g) recycling said fractionated heavy oil containing said additive particles to and mixing with the hydrocracking zone feed slurry in an amount up to 40% by weight of the combined feed slurry.

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Hydrocracking of heavy hydrocarbon oils with heavy hydrocarbon recycle 원문보기

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Hydrocracking of heavy hydrocarbon oils with heavy hydrocarbon recycle 원문보기

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