Abstract: In this paper，cracking C9 gasoline from Dushanzi Petrochemical Company is used as raw material and industrial equipment condition was simulated. The results of stability and 1000h activity of LY-C9-A1+LY-C9-A2 and contrast catalyst show that diene value of LY-C9-A1+LY-C9-A2 hydrogenation products is much lower than that of contrast catalyst even under the condition that inlet temperature of LY-C9-A1+LY-C9-A2 is 5～10 ℃ lower than that of contrast catalyst. The results indicated that LY-C9-A1+LY-C9-A2 possessed better hydrogenation activity comparing with contrast catalyst. Meanwhile，the heating rate of LY-C9-A1+LY-C9-A2 is slower than that of contrast catalyst，which shows that carbon deposition rate of LY-C9-A1+LY-C9-A2 is slower and hydrogenation stability is better. In conclusion，comprehensive properties of LY-C9-A1+LY-C9-A2 are superior to contrast catalyst and enjoy predictable industrial application prospect.

Key words: C9 hydrogenation, cracking C9, hydrogenation process

摘要： 以独山子石化碳九（C9）馏分裂解汽油为原料，模拟工业装置工况，LY-C9-A1+LY-C9-A2与对比催化剂1000 h活性和稳定性试验结果表明：在其它工艺参数相同情况下，LY-C9-A1+LY-C9-A2入口温度比对比剂低5～10 ℃时，其加氢产品双烯值仍明显低于对比剂，说明LY-C9-A1+LY-C9-A2加氢活性优于对比剂；同时LY-C9-A1+LY-C9-A2的升温速率也要比对比剂慢，说明LY-C9-A1+LY-C9-A2积炭速率慢，加氢稳定性好。由此可以看出，LY-C9-A1+LY-C9-A2综合性能优于对比剂，具有十分良好的工业应用前景。

关键词: 碳九加氢, 裂解碳九, 加氢工艺