Process for the production of pure dimethylether
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United States of America Patent
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Aug 6, 1991
Grant Date -
N/A
app pub date -
Apr 28, 1989
filing date -
May 4, 1988
priority date (Note) -
Expired
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Abstract
A process for the production of pure dimethylether by feeding the dehydration product from a dimethylether-synthesis reactor into a distillation column for the production of pure dimethylether at defined trays of this column and withdrawal of pure dimethylether and a fraction containing contaminations at defined trays of the same column, whereby in addition washing liquids and bases can be added.
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