Separation of phellandrene from limonene by extractive distillat

Details Separation of phellandrene from limonene by extractive distillat Separation of phellandrene from limonene by extractive distillat

1996-11-25

1998-01-06

Manoharan, Virginia

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 58, 203 59, 203 62, 203 63, 203 64, 203 65, 585350, 585865, B01D 340, C07C 708

Patent

active

057050384

ABSTRACT:
Phellandrene is difficult to separate from limonene by conventional distillation or rectification because of the proximity of their boiling points. Phellandreneecan be readily separated from limonene by extractive distillation. Effective agents are o-cresol, tripropylene glycol and isophorone.

REFERENCES:
patent: 4136126 (1979-01-01), Hirschy et al.
patent: 4508930 (1985-04-01), Wideman et al.
patent: 5069756 (1991-12-01), Berg
patent: 5380405 (1995-01-01), Berg
patent: 5391264 (1995-02-01), Berg
patent: 5582693 (1996-12-01), Berg
patent: 5597455 (1997-01-01), Berg

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