Process and equipment for the continuous manufacture of trioxan

Details Process and equipment for the continuous manufacture of trioxan Process and equipment for the continuous manufacture of trioxan

1980-10-29

1982-07-20

Milestone, Norma S.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549347, 549369, 549430, C07D32306

Patent

active

043405428

ABSTRACT:
The invention relates to a process for the continuous manufacture of trioxan, if appropriate together with cyclic formals, from aqueous formaldehyde solutions in a circulation reactor with an evaporator, wherein the vapor/liquid mixture, before it enters the reactor, is separated into the vapor phase and the liquid phase, and subsequently the two phases are fed separately to the reactor. In particular, high space-time yields can be achieved by the process according to the invention. Moreover, equipment for carrying out this process is a subject of the invention.

REFERENCES:
patent: 2864827 (1958-12-01), Baer et al.
patent: 3325513 (1967-06-01), Bamford
patent: 3426040 (1969-02-01), Langecker
patent: 3483214 (1969-12-01), Sperber et al.
patent: 3732252 (1973-05-01), Komazawa et al.

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