粗苯生产中塔后含苯超标原因及处理

Reason Analysis and Treatment Methods of Benzene Content Over Standard in Coke Oven Gas From the Benzene-washing Tower During the Crude Benzene Production

简述黑化集团焦化厂在利用焦炉煤气回收粗苯过程中出现的洗苯塔塔后含苯过高的问题,以及对此问题的分析过程及相应的解决措施,使粗苯生产中塔后含苯指标恢复正常。

The problem of benzene content over standard in coke oven gas from the benzene-washing tower during the crude benzene production was introduced, and reasons to cause the problem were analyzed, and corresponding measures were put forward.