Separation of 3-carene and limonene by extractive distillation

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

1996-01-16

1997-01-28

Manoharan, Virginia

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 60, 203 63, 203 64, 203 65, 203 69, 585350, 585860, 585864, 585866, B01D 340, C07C 708

Patent

active

055974554

ABSTRACT:
3-Carene and limonene cannot be separated from each other by rectification because of the closeness of their boiling points. They are readily separated by extractive distillation. Effective agents are: diethylene glycol phenyl ether, nonyl phenol, tripropylene glycol methyl ether, ethyl salicylate, 4-ethylphenol and 2-phenoxyethanol.

REFERENCES:
patent: 2459433 (1949-01-01), Johnson et al.
patent: 3422029 (1969-01-01), Booth
patent: 5380405 (1995-01-01), Berg
patent: 5391264 (1995-02-01), Berg
patent: 5441608 (1995-08-01), Berg

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