Trioxane production method wherein a side aqueous flow is deducted at a first distillation stage

Processes are disclosed comprising: (a) reacting an aqueous formaldehyde solution in a reactor in the presence of a suitable catalyst to obtain a reaction product mixture comprising trioxane, formaldehyde and water; (b) distilling the reaction product mixture to form a top stream comprising crude tr...

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Main Authors FRIESE THORSTEN, SIEGERT MARKUS, LANG NEVEN, STROEFER ECKHARD, STAMMER ACHIM
Format Patent
LanguageEnglish
Published 10.09.2013
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Abstract Processes are disclosed comprising: (a) reacting an aqueous formaldehyde solution in a reactor in the presence of a suitable catalyst to obtain a reaction product mixture comprising trioxane, formaldehyde and water; (b) distilling the reaction product mixture to form a top stream comprising crude trioxane; and (c) treating the top stream in one or more additional stages to form pure trioxane; wherein an aqueous sidestream is drawn off during the distilling of the reaction mixture.
AbstractList Processes are disclosed comprising: (a) reacting an aqueous formaldehyde solution in a reactor in the presence of a suitable catalyst to obtain a reaction product mixture comprising trioxane, formaldehyde and water; (b) distilling the reaction product mixture to form a top stream comprising crude trioxane; and (c) treating the top stream in one or more additional stages to form pure trioxane; wherein an aqueous sidestream is drawn off during the distilling of the reaction mixture.
Author FRIESE THORSTEN
STAMMER ACHIM
SIEGERT MARKUS
STROEFER ECKHARD
LANG NEVEN
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Snippet Processes are disclosed comprising: (a) reacting an aqueous formaldehyde solution in a reactor in the presence of a suitable catalyst to obtain a reaction...
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HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
Title Trioxane production method wherein a side aqueous flow is deducted at a first distillation stage
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