Separation of 3-carene from limonene by extractive distillation

Details Separation of 3-carene from limonene by extractive distillation Separation of 3-carene from limonene by extractive distillation

1996-12-06

1998-11-24

Manoharan, Virginia

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 59, 203 60, 203 62, 203 63, 203 64, 203 65, 203 67, 203 68, 203 69, 585860, 585864, 585866, 585867, B01D 340, C07C 708

Patent

active

058401601

ABSTRACT:
3-Carene is difficult to separate from limonene by conventional distillation or rectification because of the proximity of their boiling points. 3-Carene can be readily separated from limonene by extractive distillation. Effective agents are o-cresol, 2,6-dimethyl-4-heptanone and triethylene glycol.

REFERENCES:
patent: 4245075 (1981-01-01), Lepert
patent: 5084142 (1992-01-01), Berg et al.
patent: 5085739 (1992-02-01), Berg et al.
patent: 5380405 (1995-01-01), Berg
patent: 5582693 (1996-12-01), Berg
patent: 5597455 (1997-01-01), Berg

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