RIC-270型C8芳烃异构化催化剂的工业应用性能特点

介绍了中国石化石油化工科学研究院研制开发的RIC-270乙苯转化型C8芳烃异构化催化剂的特点。结合在中国石化扬子石油化工有限公司2号对二甲苯装置的工业应用情况,分析了RIC-270催化剂对该对二甲苯装置高乙苯原料的适应性。应用结果表明:RIC-270型催化剂异构化活性(对二甲苯二甲苯质量比)达到23.3%以上,乙苯转化率达到36.5%,C8芳环损失率为1.7%。RIC-270型催化剂在高负荷、高转化率的苛刻操作条件下,平均C8芳烃损失率为2.5%,提温和提压速率低,具有高活性和选择性、良好的稳定性,产生的经济效益显著。

PERFORMANCE OF C8 AROMATICS ISOMERIZATION CATALYST RIC-270 IN INDUSTRIAL APPLICATION

The C8 aromatics isomerization catalyst RIC-270 for ethylbenzene conversion, developed by SINOPEC Research Institute of Petroleum Processing, was applied in SINOPEC Yangzi Petrochemical Company's No. 2 para-xylene plant. The adaptability of RIC-270 catalyst to high ethylbenzene content feedstock was investigated. The application results showed that the isomerization activity of RIC-270 catalyst reached more than 23.3 %, ethylbenzene conversion rate reached 36.5 %, and C8 ring loss was 1.7 %. The average C8 aromatics loss was as low as 2.5 % under the harsh operating conditions of high load and high conversion rate, the temperature and pressure rising rate was low. The catalyst has high activity and selectivity, good stability, and remarkable economic benefits.