SKI-320脱乙基型C_(8)芳烃异构化催化剂的工业应用  

Industrial application of SKI-320 dealkylation type catalyst for C_(8) aromatics isomerization

作　　者：刘中勋 秦朝晖[2] 康承琳 蒋优军 白晓东 LIU Zhongxun;QIN Zhaohui;KANG Chenglin;JIANG Youjun;BAI Xiaodong(Sinopec Research Institute of Petroleum Processing Co.,Ltd.,Beijing 100083,China;Sinopec Shanghai Petrochemical Company Limited,Shanghai 201500,China;PetroChina Fushun Petrochemical Company,Fushun 113002,China)

机构地区：[1]中石化石油化工科学研究院有限公司,北京100083 [2]中国石化上海石油化工股份有限公司,上海201500 [3]中国石油抚顺石化分公司,辽宁抚顺113002

出　　处：《石油化工》2024年第5期713-717,共5页Petrochemical Technology

摘　　要：介绍了新一代脱乙基型C_(8)芳烃异构化催化剂SKI-320在中国石化上海石油化工股份有限公司600 kt/a芳烃联合装置上首次实施工业应用的情况。工业应用结果表明,催化剂生产过程控制平稳,成品质量合格;催化剂装填可控,开工操作简便,投用后周期运行情况良好;SKI-320催化剂的二甲苯异构化活性处于世界先进水平,二甲苯异构化率达到24.09%、乙苯转化率达到69.12%、单程二甲苯损失率为1.19%,性能指标全部达到合同要求,整体表现好于预期;与SKI-210催化剂相比,SKI-320催化剂的活性显著提高,选择性也有良好改进,实现了同类型催化剂应用技术的进步。SKI-320 dealkylation type catalyst for C_(8) aromatics isomerization has been commercialized for the first time in a 600 kt/a aromatic combination plant of Sinopec Shanghai Petrochemical Company Limited.The industrial application results show that the catalyst production process is controllable and stable,with qualified finished products.The loading of the catalyst is controllable,and the catalyst is started up smoothly and easily.After being put into use,the catalyst shows good performance during operation.Xylene isomerization activity of SKI-320 catalyst is at the advanced level in the world with xylene isomerization rate reaching 24.09%,ethylbenzene conversion of 69.12%,and single-pass loss rate of xylene at 1.19%.All the catalyst performance indicators meet the requirements stipulated in the contract,and the overall performance exceeds expectations.Compared with the SKI-210 catalyst,the activity and selectivity of the SKI-320 catalyst have significantly improved,achieving technological progress of the same type of catalyst.

关 键 词：脱乙基型C_(8)芳烃异构化催化剂 芳烃联合装置 二甲苯 乙苯 工业应用 

分 类 号：TQ426[化学工程]