Apparatus for separating para-xylene from a mixture of C8...

Details Apparatus for separating para-xylene from a mixture of C8... Apparatus for separating para-xylene from a mixture of C8...

2011-07-05

2011-07-05

Griffin, Walter D (Department: 1774)

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Combined

C585S479000, C585S805000, C585S820000, C585S825000, C585S826000, C585S828000, C203S099000

Reexamination Certificate

active

07972568

ABSTRACT:
The apparatus includes at least two adsorptive separation zones to separate para-xylene from a feed stream comprising C8 aromatic hydrocarbons and at least one C9 aromatic hydrocarbon component. The first adsorptive separation zone delivers a raffinate stream to a raffinate distillation zone and an extract stream to an extract distillation zone. The raffinate distillation zone delivers a stream to the second adsorptive separation zone and at least one of the extract distillation zone and raffinate distillation zone delivers a recycle stream to the first adsorptive separation zone.

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