Metathesis unit pretreatment process with formation of octene

Details Metathesis unit pretreatment process with formation of octene Metathesis unit pretreatment process with formation of octene

2008-11-03

2009-10-13

Dang, Thuan Dinh (Department: 1797)

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

With means applying electromagnetic wave energy or...

C422S186220, C585S329000, C585S330000, C585S634000, C585S518000, C585S529000, C585S526000, C585S259000

Reexamination Certificate

active

07601309

ABSTRACT:
Disclosed is a process for integrating a butene dimerization process with a metathesis process to remove isobutene from the feed stream to the metathesis reactor. The isobutene is preferentially dimerized in the dimerization process to leave n-butenes for metathesis with ethylene. An upstream selective hydrogenation process also isomerizes 1-butenes to 2-butenes which is the preferred butene reagent in the metathesis process. A common fractionator column for the dimerization and hydrogenation processes is also described.

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