以某石化厂140万t/a重油催化裂化装置为试验对象，研究了LTAG工艺技术在MIP重油催化裂化装置中的工业应用状况。结果表明，在对MIP重油催化裂化装置采用LTAG技术后，轻油收率较高；在柴油回炼比例为6.08%的情况下，柴油的转化率为79.77%，柴油转变为产物干气、液化气、汽油的选择性分别为9.48%、42.27%、31.13%；LTAG中加氢柴油反应的产物分布和收率分别为干气7.56%、液化气33.72%、汽油24.83%。

Taking a 1.4 million t/a heavy oil catalytic cracking unit (RFCCU) of a petrochemical plant as the test object,the industrial application of LTAG technology in MIP process heavy oil catalytic cracking unit is studied.The industrial application results show that the yield of light oil is high after using LTAG technology in MIP process heavy oil catalytic cracking unit.Under a 6.08% of diesel recycle rate,the conversion of diesel reaches 79.77%,and the selectivity of dry gas,LPG and gasoline from diesel is 9.48%,42.27% and 31.13%,respectively.As LTAG technology is applied in reaction of hydrogenated diesel,the yields for dry gas,LPG and gasoline are 7.56%,33.72% and 24.83%,respectively.

宋亦伟(1994-),男,硕士,助理工程师,从事催化裂化工艺管理工作,通讯联系人,songyw714.qdsh@sinopec.com。