摘要
采用浸渍法分别制备了Ni-Mo-P／HZSM-5,Ni-Co-W／HM和Ni-Zn-La/HM 3种不同催化剂,以抚顺石化公司重油催化裂化汽油为原料,分别考察了微反装置上3种催化剂单独装填、混合装填对催化裂化汽油加氢改质的不同效果。结果表明,相同体积的3种催化刘均匀混合装填表现出较好的加氢异构化、芳构化和脱硫性能。考查了不同工艺条件对催化裂化汽油加氢反应效果的影响。在温度为300℃、液相体积空速为2．5 h-1、氢油体积比为350和反应压力为1．5 MPa的反应条件下,催化裂化汽油烯烃转化率、脱硫率、液相收率分别为41．9％,54．7％和87．6％,而加氢改质后的汽油研究法辛烷值由原来的91．6变为91.8,马达法辛烷值由最初的79．3 上升为79.6,达到了对催化裂化汽油脱硫降烯烃又不损失其辛皖值的预期目的。
Three different kinds of catalysts such as Ni - Mo - P/HZSM- 5, Ni - Co- W/HM and Ni - Zn- La/HM were prepared respectively by impregnation method. Comparison tests for different performance of FCC gasoline hydroupgrading were carried out respectively by filling miniature reactor with independent or mixed catalysts for upgrading the quality of FCC gasoline, which was offered by Fushun Company PetroChina Company Limited. The results show that mixed catalyst with equal volume has better performance for hydroisomerization, aromatization and desulfuration. The different operation conditions influence on the results of FCC gasoline hydroupgradin reaction were investigated. FCC gasomine with olefin conversion of 41.9 %, desulfuration conversion of 54.7% and liquid yield of 87.6% is obtained respectively under optimum condition that temperation is 300 12, LHSV is 2.5 h^-1, volumic ratio of hydrogen and oil is 350 and press is 1.5 MPa. RON of hydrotreated gasoline grows into 91.8 from 91.6, at the same time, MON grows into 79.6 from 79.3. The purpose that decrease content of olefin and sulfur in FCC gasoline without loss of octane number is realized.
出处
《辽宁石油化工大学学报》
CAS
2005年第4期9-13,共5页
Journal of Liaoning Petrochemical University
关键词
催化剂
加氢
降烯烃
脱硫
Catalyst
Hydrogenation
Decrease olefin
Desulfuration
