Page 167 - Fluid Catalytic Cracking Handbook
P. 167
Unit Monitoring and Control 141
External Streams^-"
Figure 5-1. FCC unit input/output streams.
balance, gasoline and light cycle oil (LCO) yields and unit conver-
sion are reported based on fixed end points. The common end points
are 430°F (221 °C) TBP for gasoline and 700°F TBP for LCO, Other
popular cut points are 430°F (221°C) ASTM D-86 for gasoline and
650°F (343°C) or 670°F (354°C) ASTM D-86 for LCO. Using fixed
