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Processing of heavy high-sulfur crude oil

Patent ·
OSTI ID:6466947
Heavy high-sulfur crude oil is subjected to distillation to produce gas and liquid hydrocarbon products and a residuum. The gas and liquid products are desulfurized. Part of the residuum is coked in a delayed coker, and sulfur in the coke is removed by high temperature calcination. The remainder of the residuum is air-blown to produce an asphalt product, and sulfur recovered from the other products is added to the asphalt to produce a sulfur-enriched asphalt product.
Assignee:
Conoco Inc
Patent Number(s):
US 4332671
OSTI ID:
6466947
Country of Publication:
United States
Language:
English

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Related Subjects

02 PETROLEUM
020400* -- Petroleum-- Processing
AIR
ASPHALTS
BITUMENS
CALCINATION
CHEMICAL REACTIONS
COAL TAR OILS
COKE
DECOMPOSITION
DESULFURIZATION
DISTILLATES
DISTILLATION
ELEMENTS
ENERGY SOURCES
FLUIDS
FOSSIL FUELS
FUELS
GAS OILS
GASES
HYDROCARBONS
NAPHTHA
NONMETALS
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PETROLEUM
PETROLEUM DISTILLATES
PETROLEUM FRACTIONS
PETROLEUM PRODUCTS
PETROLEUM RESIDUES
PYROLYSIS
SEPARATION PROCESSES
SULFUR
SULFUR CONTENT
TAR
THERMOCHEMICAL PROCESSES
VISCOSITY