Process for distilling ethylene oxide
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United States of America Patent
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Sep 26, 2000
Grant Date -
N/A
app pub date -
May 18, 1998
filing date -
Nov 17, 1995
priority date (Note) -
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Abstract
A process for distilling ethylene oxide out of a mixture including ethylene oxide in a column at an absolute pressure of from 2 to 10 bar and a temperature of 20 to 180.degree. C. by withdrawing pure ethylene oxide in the liquid or gaseous state overhead or via a sidestream in the rectifying section of the column includes effecting the distillation in a column having on its inside a plurality of successive zones of structured sheet-metal packing or dumped beds of packing elements, these zones being assigned one or more extinguishing systems on the outside of the column.
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