3.
    发明专利
    未知

    公开(公告)号:ES2161380T3

    公开(公告)日:2001-12-01

    申请号:ES96938088

    申请日:1996-11-05

    Applicant: BASF AG

    Abstract: PCT No. PCT/EP96/04818 Sec. 371 Date May 18, 1998 Sec. 102(e) Date May 18, 1998 PCT Filed Nov. 5, 1996 PCT Pub. No. WO97/19069 PCT Pub. Date May 29, 1997A 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 DEG 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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