介绍了芳烃抽提蒸馏装置苯产品水含量超标、硫含量波动较大的影响因素。
The major factors that affect benzene quality like excessive water and sulfur in aromatic extraction distillation unit are described.
针对精苯装置预备蒸馏系自投料生产以来存在的喷苯现象，从操作和设计等方面进行原因分析并采取相应的改进措施。
As for the existing benzene-spurting for the stand-by distillating pump since test running, we analyse it from the aspects of operation and design and raise the corresponding innovative approach.
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