芳烃抽提装置混二甲苯产品中苯含量异常分析及处理  

Analysis and Treatment of Abnormal Benzene Content in Mixed Xylene Products of Aromatic Extraction Unit

作　　者：陈轲 CHEN Ke(CNOOC Ningbo Daxie Petrochemical Co.,Ltd.,Ningbo Zhejiang 315812,China)

机构地区：[1]中海石油宁波大榭石化有限公司,浙江宁波315812

出　　处：《辽宁化工》2024年第4期569-571,共3页Liaoning Chemical Industry

摘　　要：对芳烃抽提装置大检修开工后出现二甲苯产品中苯含量异常的情况进行了分析,从二甲苯塔进料组成、换热器内漏分析、活性白土及白土进料温度四个方面进行了研究,最终确认原因并制定了相关措施。The abnormal benzene content in xylene products after the major overhaul of the aromatics extraction unit was analyzed,and it was studied from four aspects including the composition of the xylene tower feed,the analysis of internal leakage in the heat exchanger,and the temperature of active clay and clay feed.The reasons were ultimately confirmed,and relevant measures were formulated.

关 键 词：混二甲苯 换热器内漏 活性白土 进料温度 

分 类 号：TQ075.1[化学工程]