The technological innovation in drying system of pyrolysing gas under the condition of existing ethene unit to increase capacity has bee introduced. It has better economic results.

• 本文介绍了辽化乙烯装置在生产能力扩大条件下对裂解气干燥系统进行的工艺改造情况。两年多的生产运行取得了良好的经济效益。