PROCESS FOR DISTILLING OF ETHYLENE OXIDE

摘要

A PROCESS FOR DISTILLING ETHYLENE OXIDE OUT OF A MIXTURE COMPRISING ETHYLENE OXIDE IN A COLUMN AT AN ABSOLUTE PRESSURE OF FROM 2 X 105 TO 10 X 105 PA (2 TO 10 BAR) AND A TEMPERATURE OF 20 TO 180°C BY WITHDRAWING PURE ETHYLENE OXIDE IN THE LIQUID OR GASEOUS STATE OVERHEAD OR VIA A SIDESTREAM IN THE RECTIFYING SECTION OF THE COLUMN COMPRISES 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.