Abstract:

The gas purification plant is equipped with storage tanks of coal tar,crude benzol,and ammonia liquor,etc.,and NH3,CmHn and H2S could be released from those tanks.On account of medium characteristics of the tanks and composition of the volatile gases,improvement is done in aspects of tail gas collecting,safety measures and operating procedures.As a result,this attempt can not only meet environmental requirements,but also reduce annual costs about 600，000 yuan.