Home › Forums › CatCracking › FCC Process › Maximum feed preheat temperature in FCCU › RE: Maximum feed preheat temperature in FCCU
July 6, 2012 at 11:42 am #4613
I’ve run a unit with 100% hydrotreated feed up to 440C at the preheater outlet. This comes with skin temps up to 450C and TMT’s up at 480C.
Clearly with hydrotreated feed, the coking tendency is low. So no history of coking on the furnace.