METHOD FOR PRODUCING PURE TRIOXANE

Production of trioxane by trimerization of formaldehyde in aqueous acid solution followed by separation of trioxane from a crude trioxane product mixture of trioxane, water and formaldehyde comprises: distillation of the crude trioxane; crystallization of the trioxane and; separation from the mother...

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Main Authors ECKHARD STROFER, THORSTEN FRIESE, MATTHIAS RAULS, REINHARD FREYHOF, KATRIN FRIESE, HARTMUT ZEINER, LUDWIG HECK, PETER HILDENBRAND, HARALD ARMBRUSTER, GITTA EGBERS
Format Patent
LanguageEnglish
Published 02.12.2003
Edition7
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:Production of trioxane by trimerization of formaldehyde in aqueous acid solution followed by separation of trioxane from a crude trioxane product mixture of trioxane, water and formaldehyde comprises: distillation of the crude trioxane; crystallization of the trioxane and; separation from the mother liquor followed by melting and distillation of other byproducts. A process for the production of trioxane by trimerization of formaldehyde in aqueous acid solution followed by separation of trioxane from a crude trioxane product mixture of trioxane, water and formaldehyde comprises: (a) distillation of the crude trioxane; (b) crystallization of the trioxane and; (c) separation from the mother liquor followed by; (d) melting and; (e) distillation of other byproducts.
Bibliography:Application Number: AU20030232760