Removal of condensable compounds from an olefin stream

Details Removal of condensable compounds from an olefin stream Removal of condensable compounds from an olefin stream

2008-01-29

2008-01-29

Caldarola, Glenn A. (Department: 1764)

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By plural serial diverse separations

C585S639000, C585S640000, C208S04800Q

Reexamination Certificate

active

07323612

ABSTRACT:
This invention is directed to a process for condensing and removing condensable compounds from an olefin stream containing light olefin compounds, and recovering the light olefin compounds. The process of the invention is particularly effective in removing water and heavy hydrocarbons, particularly aromatic hydrocarbons, from an olefin stream made from the catalytic conversion of oxygenate, and recovering light olefins such as ethylene, propylene, butylene, or a mixture thereof.

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patent: 2004/0127763 (2004-07-01), Van Egmond et al.
patent: 2004/0192982 (2004-09-01), Kuechler et al.
patent: WO 02/00579 (2002-01-01), None

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