Natural circulation reactor and use for producing linear and cyc

Details Natural circulation reactor and use for producing linear and cyc Natural circulation reactor and use for producing linear and cyc

1995-09-27

1999-09-21

Caldarola, Glenn

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including heat exchanger for reaction chamber or reactants...

422205, 422227, 422228, 422230, 202153, 202158, 202156, 202182, 202239, 202DIG6, 549368, 549369, F28D 804, B01D 302, C07D32306

Patent

active

059550414

ABSTRACT:
This invention relates to a reactor 1 for the continuous production of linear or cyclic acetals, in particular trioxane, dioxolane, tetroxane, dimethoxymethane, diethoxymethane, diethoxyethane and dibutoxyethane. This reactor has internal adjacently arranged evaporator elements 2, which allow for flow-through of a heat transport medium, and which are at least two meters high so as to generate a thermosiphon flow. The clear cross section between the evaporator elements is 20 to 80% of the overall cross section. Using the reactor, circulation ratios of up to 250 can be achieved. Thus, the reliability and availability of a production plant is increased while the susceptibility to breakdown decreases.

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Derwent Abstract No. EP 28-361 published Oct. 31, 1979.
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W. Foert (Arsg). "Ullmanns Encycklopadie der technischen Chemie, 3. Auflag, 1, Band: Chemischer Apparatebau und Ferfahrenstechnik" 1951, Urban & Schwarzenberg, Munchen-Berlin X P002018369.

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