高收率和高纯度二异丁烯生产工艺  

Production process of diisobutylene with high yield and high purity

作　　者：刘成军 李宁 林云涛 袁明江 周璇 LIU Cheng-jun;LI Ning;LIN Yun-tao;YUAN Ming-jiang;ZHOU Xuan(East-China Design Institute Co Ltd,CNPC,Qingdao 266071,China;China Petroleum Engineering Co Ltd,Beijing 100029,China;PetroChina International Iraq FZE,Dubai 999041,United Arab Emirates)

机构地区：[1]中国石油华东设计院有限公司,山东青岛266071 [2]中国石油集团工程股份有限公司,北京100029 [3]中油国投伊拉克公司,阿联酋迪拜999041

出　　处：《石化技术与应用》2023年第5期367-370,共4页Petrochemical Technology & Application

基　　金：中国石油集团工程股份有限公司资助项目(项目编号:2018 ZYGC-04-11)。

摘　　要：开发出一种高收率和高纯度二异丁烯的生产工艺。该工艺的主要特点为以高纯度异丁烯为原料,饱和轻烃为惰性组分,采用管式反应器、膨胀床反应器、催化蒸馏塔串级反应耦合流程,水及叔丁醇作为叠合反应的复合抑制剂。Aspen Plus模拟结果表明:异丁烯转化率为99.71%,产品中二异丁烯收率为93.59%,质量分数不低于99.5%。A production process for high yield and high purity diisobutylene was developed.The main characteristics of this process were as follows:using high-purity isobutylene as feed,saturated light hydrocarbons as inert components and water and tert-butanol as composite inhibitors for the dimerization reaction with a sequentially connected tubular reactor,an expanded bed reactor,and a catalytic distillation column coupling process.Simulated by Aspen Plus software,the conversion rate of isobutylene was 99.71%,and the yield of diisobutylene in the product was 93.59%with the mass fraction of no less than 99.5%.

关 键 词：二异丁烯 复合抑制剂 异丁烯 惰性组分 管式反应器 催化蒸馏塔 变压精馏 收率 

分 类 号：TQ221.213[化学工程—有机化工]