A commercial test of MPN passivator added into a FCCU indicated that the light oil yield increased by 2.5 percentages, and the hydrogen and coke on spent catalyst decreased by 35% and 9.42% respectively.

• 工业试验结果表明 ；在FCC装置中使用MPN使轻油收率提高 2 .；5个百分点；氢气产率下降 35%25；待生剂上的积炭量下降 9