Analysis on the Reasons of Decrease in Octane Number of FCC Gasoline
The trend of gasoline octane number(RON)in RFCC was analyzed.Combining with the properties of the unit's feed,operating conditions,and catalyst,it is concluded that the properties of the unit's feed significantly affect the RON.When the proportion of paraffin base in the FCC feed is greater than 20％,the RON is prone to be lower than 91.5.When refining straight run gasoline through the termination nozzle,the RON will decrease.When the refining flow of straight run gasoline reaches 10 t/h,the octane number of catalytic gasoline decreases by one unit.Based on analysis of the octane number of the FCC gasoline,data is provided for the calculation of the profit of processing per ton of oil,the benefits of refining waste oil,and the cost of gasoline blending in the entire plant.
FCC gasolineoctane numberproperties of the unit's feedstraight run gasoline
万方数据
维普
