Process for recovering trioxane by plural distillation

Details Process for recovering trioxane by plural distillation Process for recovering trioxane by plural distillation

1982-04-23

1985-01-15

Bascomb, Wilbur

Distillation: processes, separatory

Plural distillations performed on same material

203 17, 525410, 528492, 549368, B01D 314, C07D32306

Patent

active

044937520

ABSTRACT:
A process for recovering trioxane from an aqueous solution containing trioxane and triethylamine by the distillation separation process which comprises feeding an aqueous solution containing trioxane and triethylamine to the first distillation column, distilling out triethylamine, trioxane and water from the column top of the first distillation column, withdrawing an aqueous solution containing the major part of the trioxane present in the fed solution from the column bottom of the first distillation column, feeding the withdrawn solution to the second distillation column and taking out the substantially whole quantity of the trioxane fed to the second distillation column from the column top of the second distillation column.

REFERENCES:
patent: 2347447 (1944-04-01), Walker
patent: 3197437 (1965-07-01), Wall
patent: 3313713 (1967-04-01), Martin
patent: 3378468 (1968-04-01), Langecker
patent: 3433788 (1969-03-01), Somekh et al.
patent: 3505292 (1970-04-01), Smith et al.
patent: 3519650 (1970-07-01), Flack et al.

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