环丁砜抽提蒸馏工艺在庆阳石化公司的应用  

Commercialization of sulfolane extractive distillation process in Qinqyang petrochemical company

作　　者：李俊奎 张振泰 于新文 许佳 吴占永 

机构地区：[1]中国石油庆阳石化公司 [2]中国石油宁夏石化公司

出　　处：《石油与天然气化工》2013年第6期610-613,共4页Chemical engineering of oil & gas

摘　　要：介绍了环丁砜抽提蒸馏工艺在中国石油庆阳石化10×104 t/a苯抽提装置的应用情况。运行结果表明,苯产品纯度达到99.95%,结晶点大于5.4℃,苯回收率99.81%,装置能耗810.15MJ/t,均达到设计要求。此外针对运行中出现的抽提蒸馏塔液泛、脱C6塔底热量没有充分利用、白土失活等问题进行了分析,提出了解决方法。The sulfolane extractive distillation process is successfully commercialized in benzene extraction unit with a production capacity of 100×103 t/a in Qingyang Petrochemical Company.The operation results show that the purity of benzene is 99.95%,the crystallizing temperature of benzene is above 5.4℃,the recovery efficiency is 99.81%and the energy consumption is 19.35kgE0/t.Besides,some problems during the operation,such as extractive distillation flooding,removal of C6 tower energy waste,white earth inactivation are analyzed,and the solutions are carried out.

关 键 词：苯 环丁砜 抽提蒸馏 白土失活 

分 类 号：TE624[石油与天然气工程—油气加工工程]