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jia ji shu ding ji mi zhuang zhi shui xi tuo jia chun wen ti tan tao
Author(s): 
Pages: 21-22
Year: Issue:  1
Journal: Qilu Petrochemical Technology

Keyword:  水洗塔产品甲基叔丁基醚装置素瓷温度升高质量溶解度分配装置问题探讨轻组份;
Abstract: <正> 一、概况 4万t/a甲基叔丁基醚(简称MTBE)装置反应精馏塔顶采出的醚后C4,含异丁烯少于0.29%,含丁二烯少于40ppm,是生产聚合级高纯度1—丁烯的原料。但是,醚后C4中含约4.0%的甲醇,需要通过水洗,使甲醇含量由4.0%降到90ppm以下,然后经过脱轻组份,脱重组份,得到合格的1—丁烯产品。如果C4中甲醇含量超标,在脱轻组份塔顶不能全部被轻组份共沸所带走,剩余的甲醇将进入产品中,影响产品的质量。所以水
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