Home › Forums › Coking › Technical › Fractionation & Process › Fractionation › Fractionator Feed Location This topic contains 1 reply, has 2 voices, and was last updated by daniel samuel 9 years, 11 months ago. Author Posts June 21, 2012 at 7:07 pm #1846 Anonymous We have an upper and lower feed location for our fractionator. The vapour return from the drums is located between the two feed nozzles. Would using the upper feed location result in higher MCR content in the Gas Oil? June 24, 2012 at 10:20 am #4617 daniel samuelParticipant my understanding is that you will get better quality of gas oil, because this feed will act as an additional wash, but at the cost of higher recycle. Author Posts You must be logged in to reply to this topic.