影响抽提蒸馏装置苯产品质量的因素及对策

FACTORS AFFECTING BENZENE PRODUCT QUALITY IN EXTRACTION DISTILLATION UNIT AND COUNTERMEASURES

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。针对影响因素采取了消除装置内漏、采取侧线抽出的工艺技术等措施,解决了苯产品的质量问题。

The major factors that affect benzene quality like excessive water and sulfur in aromatic extraction distillation unit are described. Countermeasures like elimination of leakage and application of side-draw process have been taken to solve off-specification problem of the benzene product.