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Patent Searching and Data


Title:
SEPARATION OF TRIOXANE FROM AQUEOUS MIXTURE
Document Type and Number:
Japanese Patent JPH06199830
Kind Code:
A
Abstract:

PURPOSE: To separate trioxane from an aq. mixture consisting essentially of trioxane, water and formaldehyde.

CONSTITUTION: When trioxane is separated from an aq. mixture consisting essentially of trioxane, water and formaldehyde, water is extracted from the mixture by penetrative vaporization and the water-depleted mixture (retentate) is separated by rectification into trioxane and an azeotropic mixture of trioxane, water and formaldehyde.


Inventors:
DEIITAA ARUNORUTO
Application Number:
JP27214593A
Publication Date:
July 19, 1994
Filing Date:
October 29, 1993
Export Citation:
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Assignee:
HOECHST AG
International Classes:
B01D61/36; B01D71/06; C07B63/00; C07D323/06; (IPC1-7): C07D323/06; B01D61/36; B01D71/06; C07B63/00
Attorney, Agent or Firm:
Kyozo Yuasa (5 people outside)