石油炼制与化工 ›› 2016, Vol. 47 ›› Issue (2): 42-46.

• 催化剂 • 上一篇    下一篇

加氢裂化尾油异构脱蜡催化剂研究

孙国方,郑修新,刘有鹏,于海斌   

  1. 中海油天津化工研究设计院
  • 收稿日期:2015-07-13 修回日期:2015-08-20 出版日期:2016-02-12 发布日期:2016-01-29
  • 通讯作者: 孙国方 E-mail:sgf7996119@163.com

STUDY OF ISODEWAXING CATALYST FOR HYDROCRACKING TAIL OIL TO PRODUCE LUBE BASE OIL

  • Received:2015-07-13 Revised:2015-08-20 Online:2016-02-12 Published:2016-01-29

摘要:

研究了润滑油异构脱蜡催化剂中ZSM-22分子筛含量对基础油倾点和基础油收率的影响,结果表明,在一定范围内随着分子筛含量降低催化剂活性略有下降,但基础油收率增加。以惠州加氢裂化尾油为原料,对TH-2催化剂进行加氢工艺考察以及稳定性评价,最佳反应条件为:反应温度320 ℃,反应压力14 MPa,氢油体积比600:1,体积空速1.1 h-1。装置连续运行1 000 h,催化剂性能稳定,150N基础油倾点-18 ℃,基础油总收率达到77.2%。

关键词: 加氢裂化尾油, ZSM-22分子筛, 异构脱蜡, 润滑油基础油

Abstract:

The influence of ZSM-22 content in isodewaxing catalyst TH-2 on yield and pour point of base oil from hydrocracking bottom oil was studied. The results show that with decrease of the molecular sieve content, the activity of catalyst decreases and the base oil yield increases. When Huizhou unconverted oil(UCO) were used as the feed,the best reaction conditions for TH-2 are 320 ℃, 14.0 MPa, hydrogen to oil ratio of 600:1 and LHSV=1.1 h-1. After 1 000 h running, TH-2 catalyst performance is stable and the pour point of 150N base oil is -18 °C, the total base oil yield is 77.2%.

Key words: hydrocracking tail oil, ZSM-22 molecular sieve, isodewaxing, base oil