蜡下油异构脱蜡生产Ⅱ、Ⅲ类润滑油基础油技术研究  

Manufacturing API Ⅱ and Ⅲ base oil of lube oil by isomerization dewaxing process of foots oil

作　　者：王新苗 徐伟池 刘彦峰 马守涛 WANG Xinmiao;XU Weichi;LIU Yanfeng;MA Shoutao(Daqing Petrochemical Research Center,CNPC,Daqing 163714,China)

机构地区：[1]中国石油大庆化工研究中心,大庆黑龙江163714

出　　处：《应用科技》2019年第3期106-109,共4页Applied Science and Technology

基　　金：中国石油天然气股份公司资助项目(2016E-0703)

摘　　要：为了更好地利用蜡下油资源,开展了蜡下油异构脱蜡生产Ⅱ、Ⅲ类高档基础油的工艺研究。采用中国石油石油化工研究院开发的PIC-802异构脱蜡催化剂对减二线蜡下油馏分进行加氢预处理—异构脱蜡—补充精制三段加氢工艺试验。在加氢预处理单元体积空速1.0 h^(-1)、反应温度375℃,异构脱蜡单元体积空速1.0 h^(-1)、反应温度365℃的工艺条件下,蜡下油原料经过加氢预处理—异构脱蜡—补充精制三段加工后可以得到6cStⅢ类高档润滑油基础油,基础的倾点-18℃、黏度指数122、收率58.36ω%,为蜡下油原料的高值化利用提供了技术方案。In order to make better use of foots oil resources,the process of isomerization dewaxing of foots oil was studied to produce high grade APIⅡandⅢbase oils.Using hydroisomerization catalyst PIC-802 developed by the Petrochemical Research Institute of CNPC,a three-stage hydrogenation process test of hydrotreating,hydroisomerization and hydrofining was carried out on the foots oil from vacuum cut 2.The results showed that the optimized operating conditions for hydrotreating are:LHSV of 1.0 h^-1,reaction temperature of 375℃,and the optimized operating conditions for hydroisodewaxing are:LHSV of 1.0 h^-1,reaction temperature of 365℃.After three-stage hydrotreating,hydroisomerization and hydrofining,the produced base oil of 6cSt Ⅲ top-grade lube oil has a pour point of-18℃ with a viscosity index of 122 and the yield of 58.36ω%.This paper provides a technical proposal for higher value applications of foots oil.

关 键 词：蜡下油 加氢预处理 异构脱蜡 补充精制 催化剂 润滑油 基础油 黏度指数 

分 类 号：TE622.1[石油与天然气工程—油气加工工程]