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公开(公告)号：US20200071244A1
公开(公告)日：2020-03-05
申请号：US16613752
申请日：2017-11-21
Applicant: LG CHEM, LTD.
Inventor： Tae Woo KIM , Sung Kyu LEE , Joon Ho SHIN , Yeonuk CHOO
Abstract: The present invention provides an ethylene separation process comprising an first and second deethanizer columns and an acetylene converter, thereby providing an ethylene stream having a purity of 99 wt % or more to the middle of an ethylene separation column. The present invention increases the production amount of ethylene and also reduces energy consumption by passing the feed through a preliminary ethylene separation process, without having to change existing facilities in which an acetylene converter is provided downstream of the deethanizer column.
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