Separation of 3-methyl-2-butanol from 2-pentanol by extractive d

Details Separation of 3-methyl-2-butanol from 2-pentanol by extractive d Separation of 3-methyl-2-butanol from 2-pentanol by extractive d

1994-12-05

1995-05-23

Bascomb, Jr., Wilbur

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 63, 568913, 568918, B01D 340, C07C 2984

Patent

active

054178142

ABSTRACT:
3-Methyl-2-butanol is difficult to separate from 2-pentanol by conventional distillation or rectification because of the proximity of their boiling points. 3-Methyl-2-butanol can be readily separated from 2-pentanol by extractive distillation. Effective agents are acetamide or 2,2,2-trichloroethanol.

REFERENCES:
patent: 2483246 (1949-09-01), Stribley
patent: 2551584 (1951-05-01), Carlson et al.
patent: 2552911 (1951-05-01), Steitz
patent: 2575243 (1951-11-01), Carlson et al.
patent: 2575285 (1951-11-01), Carlson et al.
patent: 4670106 (1987-06-01), Berg et al.
patent: 4969977 (1990-11-01), Berg

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