Separation of styrene from xylenes

Details Separation of styrene from xylenes Separation of styrene from xylenes

1975-09-25

1977-06-21

Gantz, Delbert E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260674SE, C07C 1500

Patent

active

040311538

ABSTRACT:
A stream containing styrene and mixed xylenes, such as may be recovered from pyrolysis gasoline, is fractionated to obtain a stream containing ortho-xylene and styrene. Styrene is separated from the latter stream by an extraction process which employs succinonitrile as the solvent. Styrene is selectively absorbed by the succinonitrile, and is subsequently recovered from the resulting extract phase.

REFERENCES:
patent: 3684665 (1972-08-01), Hisao et al.

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