Use of heat exchanger in a process to deasphalt tar

Mineral oils: processes and products – Chemical conversion of hydrocarbons – With preliminary treatment of feed

Reexamination Certificate

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Details

C208S309000, C208S130000, C208S131000

Reexamination Certificate

active

07846324

ABSTRACT:
The invention relates to a process for upgrading tar using a heat exchanger in series with a vapor/liquid separator to separate tar into a heavy tar asphaltenic material and a deasphalted tar material.

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