Separation of alpha-phellandrene from 3-carene by azeotropic dis

Details Separation of alpha-phellandrene from 3-carene by azeotropic dis Separation of alpha-phellandrene from 3-carene by azeotropic dis

1994-01-24

1995-01-10

Bascomb, Jr., Wilbur

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 60, 203 62, 203 63, 585350, 585860, 585862, 585864, 585866, B01D 336, C07C 706

Patent

active

053804058

ABSTRACT:
alpha-Phellandrene is difficult to separate from 3-carene by conventional distillation or rectification because of the proximity of their boiling points. alpha-phellandrene can be readily separated from 3-carene by azeotropic distillation. Effective agents are methyl formate, nitroethane and acetal.

REFERENCES:
patent: 2459433 (1949-01-01), Johnson et al.
patent: 2818435 (1957-12-01), Bain et al.
patent: 3422029 (1969-01-01), Booth
patent: 3987121 (1976-10-01), Koppel et al.
patent: 4136126 (1979-01-01), Hirschy et al.

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