Combination process for upgrading residual oils

Patent · Tue Jan 16 04:00:00 EST 1990

OSTI ID:7180667

Busch, L E; Walters, P W; Zandona, O

This patent describes a method for upgrading high boiling residual portions of crude oils comprising metal contaminants, porphyrins, asphaltenes and high molecular weight multi-ring hydrocarbon material. It comprises: charging a high boiling residual portion of crude oil admixed with diluent in contact with suspended upflowing substantially inert fluidizable solids particulate material at an elevated thermal visbreaking temperature in a riser contact zone for a time sufficient to recover therefrom a vaporous hydrocarbon product higher boiling than gasoline partially decarbonized and demetallized to a lower contaminating metals level, quenching the vaporous product of thermal visbreaking below its dew point after separation from solids, charging quenched thermally modified high boiling hydrocarbon product with a crystalline zeolite cracking catalyst under cracking conditions for a hydrocarbon residence time in a riser cracking zone; recovering a hydrocarbon conversion product; separating a combined C{sub 4} minus wet gas product stream of the visbreaking and zeolite catalyst cracking operating to recover a C{sub 3}-C{sub 4} rich fraction separately from a C{sub 2} minus dry gas product fraction, and regenerating the crystalline zeolite contcontaining catalyst.

• Assignee: Ashland Oil Inc., Ashland, KY
• Patent Number(s): US 4894141; A
• Application Number: PPN: US 6-567487A
• OSTI ID: 7180667
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020400* -- Petroleum-- Processing
ASPHALTENES
ASPHALTS
BITUMENS
CARBOXYLIC ACIDS
CATALYTIC CRACKING
CHEMICAL COMPOSITION
CHEMICAL REACTIONS
CRACKING
DECOMPOSITION
ENERGY SOURCES
FOSSIL FUELS
FUELS
HETEROCYCLIC ACIDS
HETEROCYCLIC COMPOUNDS
INORGANIC ION EXCHANGERS
ION EXCHANGE MATERIALS
MATERIALS
MINERALS
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OTHER ORGANIC COMPOUNDS
PETROLEUM
PETROLEUM FRACTIONS
PETROLEUM RESIDUES
PORPHYRINS
PYROLYSIS
SEPARATION PROCESSES
TAR
THERMOCHEMICAL PROCESSES
ZEOLITES