催化裂化汽油芳构化降烯烃催化剂的改进研究  

IMPROVEMENT OF AROMATIZATION AND OLEFIN-REDUCTION CATALYST FOR FCC HEAVY GASOLINE

作　　者：王晓[1] 霍东亮[1] 余济伟[2] 李国萍[2] 

机构地区：[1]中国石油抚顺石化公司催化剂厂,辽宁抚顺113001 [2]中国石油抚顺石化公司研究院

出　　处：《石油炼制与化工》2013年第10期65-70,共6页Petroleum Processing and Petrochemicals

摘　　要：针对催化裂化汽油加氢脱硫降烯烃组合工艺技术中,芳构化降烯烃辛烷值恢复催化剂(M)应用于重馏分汽油加氢时,存在因反应温度高而影响催化剂长周期运行及液体总收率等问题,对催化剂进行了优化升级改进研究,在M催化剂的基础上,通过对HZSM-5分子筛原料改进及调变活性金属组分,研制出活性高、稳定性好的催化裂化重汽油芳构化降烯烃辛烷值恢复催化剂M-Ⅱ。催化剂的活性评价结果表明,与M催化剂相比,在烯烃降低幅度大致相当的情况下,采用M-Ⅱ催化剂时,芳烃含量增加1.3百分点,RON提高0.7个单位。The aromatization and olefin-reduction catalyst M had been applied in commercial unit for desulfurization and olefin-reduction process of FCCG heavy fraction.To overcome the shortcomings of lower liquid yield and shorter cycle length at higher reaction temperature,a series of modification procedures were taken to improve the activity and stability of the catalyst M.A modified catalyst M-Ⅱ was then successfully developed by improving manufacture of HZSM-5 and the ratio of the active metals.The results of the performance test of M-Ⅱ,compared with that of catalyst M,show that aromatics increases more than 1.3 ％ and RON is 0.7 higher than M at the close reduction level of olefin.

关 键 词：纳米级HZSM-5 催化裂化 重汽油 降烯烃 芳构化 辛烷值 

分 类 号：TE624.9[石油与天然气工程—油气加工工程]