Residuum conversion process

Details Residuum conversion process Residuum conversion process

2006-04-25

2006-04-25

Nguyen, Tam M. (Department: 1764)

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

C208S106000, C208S127000, C585S648000

Reexamination Certificate

active

07033486

ABSTRACT:
The present invention relates to a process for increasing the capacity for processing residua and obtaining higher yields of liquids having an average boiling point equal to or less than about 510° C. A residual feedstock is introduced with recycled product asphaltenes into a short vapor contact time thermal process unit wherein the vaporized product is sent to a fractionator zone to produce a 510° C.−fraction and a 510° C.+fraction. The 510° C.+fraction is sent to a solvent extraction zone to produce an asphaltene-rich fraction that is recycled to the short vapor contact time thermal process unit.

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patent: 97 31083 (1997-08-01), None
patent: 00 63320 (2000-10-01), None
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