氧化法生产超低硫汽油  

PRODUCING ULTRA-LOW SULFUR GASOLINE WITH OXIDATION METHOD

作　　者：毕贵芹[1] 亓玉台[1] 沈健[1] 袁兴东[1] 武宝萍[1] 李聪明[1] 

机构地区：[1]辽宁石油化工大学石油化工学院,辽宁省抚顺市113001

出　　处：《炼油技术与工程》2004年第6期19-21,共3页Petroleum Refinery Engineering

摘　　要：用氧化法对催化裂化汽油进行脱硫 ,经多因素考察 ,单因素优化 ,考察了双氧水的体积分数、双氧水与乙酸的比例、反应温度及反应时间对脱硫率和汽油收率的影响。研究结果表明 ,各因素对脱硫率的影响的大小顺序为 :反应温度 >H2 O2 与乙酸的比例 >H2 O2 的体积分数 >反应时间 ;各因素对汽油收率的影响顺序为 :反应温度 >反应时间 >H2 O2 与乙酸的比例 >H2 O2 的体积分数。并得到氧化反应的最佳条件 :H2 O2 的量为 5 % ,H2 O2 与乙酸的比例为 2∶3 ,反应温度为 3 0 /5 0℃ ,反应时间为 2 0min。此时 ,硫质量分数由 112 .2 5 μg/g降至 10 μg/g以下 ,脱硫率为93 .5 8% ,收率为 95 %FCC gasoline has been desulfurized with oxidation method. The influences of hydrogen peroxide content, ratio of hydrogen peroxide and acetic acid, reaction temperature and reaction time on the desulfurization rate and yield have been researched through the investigation of many factors and optimization of single factor. The result shows that for the desulfurization rate, the influence order is: reaction temperature> ratio of hydrogen peroxide and acetic acid> hydrogen peroxide content>reaction time; and for the yield it is: reaction temperature>reaction time> ratio of hydrogen peroxide and acetic acid> hydrogen peroxide content. In addition, the optimal oxidation conditions have been obtained as follows: hydrogen peroxide content 5%, ratio of hydrogen peroxide and acetic acid (2∶3), reaction temperature 30/50℃ and reaction time 20 mins. By this time, the gasoline sulfur content has been reduced from 112.5 μg/g to below 10 μg/g, desulfurization rate is 93.58% and the yield is 95%.

关 键 词：氧化法 汽油 反应温度 过氧化氢 过氧乙酸 

分 类 号：TE624[石油与天然气工程—油气加工工程]