[특허]Hydroconversion process with slurry hydrotreating

Hydroconversion process with slurry hydrotreating 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C10G-045/04 C10G-001/00 C10G-000/ C10L-001/18
출원번호	US-0965107 (1992-10-22)
발명자 / 주소	Winter Jr. William E. (Baton Rouge LA)
출원인 / 주소	Exxon Research & Engineering Co. (Florham Park NJ 02)
인용정보	피인용 횟수 : 48 인용 특허 : 0

초록 ▼

Disclosed is a process wherein a two-stage hydroconversion process for converting a heavy hydrocarbonaceous feedstock to lower boiling products which process comprises: (a) reacting the feedstock in a first reaction stage at hydroconversion conditions which include temperature from about 650°F. to 900°F., and hydrogen partial pressure ranging from about 50 to 5000 psig in the presence of a metal compound which is convertible to a solid, non-colloidal, metal-containing catalyst, said metal selected from the group consisting of metals from Groups IVB, VB, VIB, VIIB, and VIII, of the Periodic Table of the Elements, wherein said metal compound is: (i) soluble in the hydrocarbonaceous feed; or (ii) soluble in an organic medium that can be dispersed in the hydrocarbonaceous oil, or (iii) soluble in water resulting in an aqueous solution which can then be dispersed in the hydrocarbonaceous feedstock; (b) passing the resulting product stream to a second reaction stage where it is reacted under slurry hydrotreating conditions which include: (i) temperature in the range of 650°F. to 750°F., with the promise that this slurry hydrotreating stage be operated at a temperature at least 25°F. less than the first stage, and (ii) hydrogen partial pressures in the range of 800 to 4000 psig, and in the presence of hydrogen and a hydrotreating catalyst comprised of at least one Group VI metal and at least one Group VIII catalyst, on an inorganic oxide support.

대표청구항 ▼

A process wherein a two-stage hydroconversion process for converting a heavy hydrocarbonaceous feedstock to lower boiling products which process consists essentially of: (a) reacting the feedstock in a first reaction stage which is a hydroconversion stage, at temperatures from about 650°F. to 900°F., and hydrogen partial pressure ranging from about 50 to 5000 psig in the presence of a phosphomolybdic acid; (b) passing the resulting product stream to a second reaction stage which is a slurry hydrotreating stage where it is reacted at: (i) temperatures in the range of 650°F. to 750°F., with the proviso that this slurry hydrotreating stage be operated at a temperature at least 25°F. less than the temperature of said first stage, and (ii) hydrogen partial pressures in the range of 800 to 4000 psig, and in the presence of hydrogen and a hydrotreating catalyst comprised of at least one Group VI metal and at least one Group VIII catalyst, on an inorganic oxide support; and (c) passing the product stream of said hydrotreating stage to a separation zone wherein a 975°F.+stream and one more or more streams having an average boiling point less than 975°F. are produced; and (d) collecting said one or more streams boiling less than about 975°F. and any portion of the 975°F.+stream is not recycled to the hydrotreating stage; and (e) recycling at least a portion of said 975°F.+stream to said hydrotreating stage of step (b).

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Bhan, Opinder Kishan; Wellington, Scott Lee, Systems, methods, and catalysts for producing a crude product.
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Bhan, Opinder Kishan; Wellington, Scott Lee, Systems, methods, and catalysts for producing a crude product.
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