Extraction of oxygenates from a hydrocarbon stream

Details Extraction of oxygenates from a hydrocarbon stream Extraction of oxygenates from a hydrocarbon stream

2004-03-10

2008-12-16

Nguyen, Tam M (Department: 1797)

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By addition of extraneous agent, e.g., solvent, etc.

C585S867000, C585S833000, C585S834000

Reexamination Certificate

active

07465846

ABSTRACT:
This invention relates to a commercially viable process for extracting oxygenates from a hydrocarbon stream, typically a fraction of the condensation product of a Fischer-Tropsch reaction, while preserving the olefin content of the condensation product. The oxygenate extraction process is a liquid-liquid extraction process that takes place in an extraction column using a polar organic solvent, such as methanol, and water as the solvent, wherein the polar organic solvent and water are added separately to the extraction column.

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