High conversion hydrocracking process

Patent · Tue Oct 09 04:00:00 EDT 1990

OSTI ID:6088390

Stine, L O; Reno, M E; Munro, W H; Hamper, S J

This patent describes a process for hydrocracking a heavy hydrocarbon feed stream having a 10 percent boiling point above about 316{degrees} C. It comprises: passing the feedstream into a catalytic hydrocracking reaction zone in contact with hydrocracking catalyst comprising at least one metal selected from the group consisting of chromium, nickel, cobalt, platinum, palladium, tungsten and molybdenum, at a temperature above about 316{degrees} C. and a total pressure above 1480 kPa, the catalytic hydrocracking reaction zone operating at a feed stream conversion rate above 70 wt. percent with a hydrogen circulation rate in excess at 1777 m{sup 3}/m{sup 3}, to produce a reaction zone effluent stream, subjecting the reaction zone effluent stream to cooling and a vapor-liquid separation to yield a recycle hydrogen stream and a liquid phase stream, heating the liquid phase stream recovered from the vapor-liquid separation to vaporize at least 90 volume percent of the liquid phase stream, passing the heated and at least partially vaporized liquid phase stream to a fractionation zone wherein the stream is separated into at least a net bottoms stream, a heavy distillate stream, and at least one light distillate stream which is removed as the distillate product stream, removing all of the net bottoms stream from the process, and recycling substantially all of the heavy distillate stream to the catalytic hydrocracking zone.

• Assignee: UOP, Des Plaines, IL (USA)
• Patent Number(s): US 4961839; A
• Application Number: PPN: US s 7-197239
• OSTI ID: 6088390
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020400* -- Petroleum-- Processing
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201 -- Chemical & Physicochemical Properties
CATALYSTS
CATALYTIC EFFECTS
CHEMICAL FEEDSTOCKS
CHEMICAL REACTIONS
CHROMIUM
COBALT
CONVERSION
CRACKING
DECOMPOSITION
DISTILLATES
ELEMENTS
ENERGY CONVERSION
ENERGY SOURCES
FOSSIL FUELS
FUELS
HYDROCARBONS
HYDROCRACKING
INDUSTRIAL PLANTS
METALS
MOLYBDENUM
NICKEL
ORGANIC COMPOUNDS
PALLADIUM
PETROLEUM
PETROLEUM DISTILLATES
PETROLEUM FRACTIONS
PETROLEUM REFINERIES
PLATINUM
PLATINUM METALS
PYROLYSIS
RECYCLING
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENTS
TUNGSTEN
VISCOSITY