C_5、C_6异构化装置升级改造技术方案  

C_5,C_6 ISOMERIZATION UNIT UPGRADE TECHNOLOGY

作　　者：吴惜伟[1] 张秋平[2] 于中伟[2] 

机构地区：[1]中国石化湛江东兴分公司,广东湛江524003 [2]中国石化石油化工科学研究院

出　　处：《石油炼制与化工》2015年第5期38-43,共6页Petroleum Processing and Petrochemicals

摘　　要：中国石化湛江东兴分公司原C5、C6异构化装置采用中国石化石油化工科学研究院(石科院)开发的中温沸石型异构化催化剂,为"脱异戊烷塔+异构化反应"流程,可生产RON为82的C5、C6异构化汽油。为适应车用汽油升级的需要,拟采用石科院开发的固体超强酸异构化技术对装置进行技术升级改造,以提高异构化汽油的辛烷值。对两种C5、C6异构化技术的流程、催化剂用量、异构化产物辛烷值、设备、能耗等进行对比,并对改造后的效果进行模拟分析。结果表明,在原流程不变的情况下,可以以较小的改造费用升级为固体超强酸异构化技术方案,在异构化催化剂的用量大幅减少的同时得到RON为84.2的异构化产品。Zhanjiang Dongxing petroleum company Ltd. , SINOPEC adopted a ＂de-isopentane tower ＋ isomerization reaction＂ process to produce C5, C6 isomerization gasoline with RON 82 using moderate temperature zeolite-based C5 ,C6 isomerization catalyst developed by RIPP. In order to upgrade gasoline, the unit upgrading was conducted to use RIPP＇s solid superacid isomerization catalyst to improve the octane number of isomerate. Two kinds of C5 ,C6 isomerization processes were simulated to compare the effect of catalyst dosage, RON of isomerate, equipment, and energy consumption on transformation results. The results show that using the original process with little changes and low cost, the unit can produce RON 84.2 isomerate with much less solid superacid isomerization catalyst dosage.

关 键 词：n-C5 n-C6 异构化催化剂 中温沸石型催化剂 超强酸固体催化剂 清洁汽油 

分 类 号：TE966[石油与天然气工程—石油机械设备]