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US 2007/0163921 A1Published application
Use of steam cracked tar
AssigneeExxonMobil Chemical Patents Inc.
InventorsPaul Keusenkothen, Alok Srivastava
Life of this patent
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Abstract
The invention relates to the use of steam cracked tar with the bottoms product of a flash drum integrated with a pyrolysis furnace. In embodiments, the steam cracked tar is added to fuel oil.
Claims20
A comprising steam cracked tar (SCT) and the bottoms product of a flash drum integrated with a pyrolysis furnace.
A process comprising:
- (a) providing a feedstream comprising a crude oil or fraction thereof to a pyrolysis furnace having an integrated flash drum and obtaining downstream of said pyrolysis furnace a product comprising light olefins, including ethylene, propylene, and butenes;
- (b) obtaining a bottoms product of said integrated flash drum;
- (c) obtaining steam cracked tar downstream of a pyrolysis furnace producing as a product said steam cracked tar and light olefins including ethylene, propylene, and butenes, wherein said pyrolysis furnace in step (c) maybe the same or different from said pyrolysis furnace in step (a);
- (d) mixing said bottoms product of step (b) and said stream cracked tar of step (c) and a fuel oil to obtain a mixture.
1 more element
Dependencies are inferred from the claim text.