Separating off trioxane from gaseous mixtures with formaldehyde

Details Separating off trioxane from gaseous mixtures with formaldehyde Separating off trioxane from gaseous mixtures with formaldehyde

1999-07-23

2000-09-19

Trinh, Ba K.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D32306

Patent

active

061214671

ABSTRACT:
The invention relates to a method for separating a gaseous mixture comprising formaldehyde and trioxane, wherein at least some of the formaldehyde and the trioxane are dissolved from the mixture in a alcohol-containing liquid and the trioxane is crystallized from the solution thus obtained and is separated.

REFERENCES:
patent: 5766424 (1998-06-01), Arnold et al.
patent: 5872263 (1999-02-01), Hoffmockel et al.

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