Use of ionic liquids to separate olefins, diolefins and...

Details Use of ionic liquids to separate olefins, diolefins and... Use of ionic liquids to separate olefins, diolefins and...

2006-03-28

2006-03-28

Nguyen, Tam M. (Department: 1764)

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By plural serial diverse separations

C585S810000, C585S843000, C585S845000, C585S850000, C585S848000, C585S860000, C585S862000, C208S219000, C208S223000

Reexamination Certificate

active

07019188

ABSTRACT:
The present invention relates to the separation of olefins, diolefins and lower aromatics from mixed streams of hydrocarbons using ionic liquids in the absence of metal compounds. The present invention eliminates the metal complexes conventionally used in such separation and thus reduces the complexity of the process.

REFERENCES:
patent: 3441377 (1969-04-01), Sawyer et al.
patent: 3979280 (1976-09-01), Dielacher et al.
patent: 4328382 (1982-05-01), Alter et al.
patent: 5981818 (1999-11-01), Purvis et al.
patent: 6339182 (2002-01-01), Munson et al.
patent: 6849774 (2005-02-01), Boudreau et al.
patent: 1096779 (1981-03-01), None

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