Page 175 - Fluid Catalytic Cracking Handbook

148 Fluid Catalytic Cracking Handbook

Table 5-3
Feed and Product Inspections

Decanted
Feed Gasoline LCO Oil

°API Gravity 25.2 58.5 21.5 2.4
Sulfur, Wt% 0.5
Analine Point, °F/°C 208/97.8
RI @ 67°C 1.4854
Viscosity, SSU
@ 150°F (65.5°C) 109
@ 210°F (98.9°C) 54
Distillation, °F D-1160 D-86 D-86 D-1160
Vol%
10 682 125 477 646
30 766 160 514 687
50 835 213 547 720
70 901 285 576 771
90 1,001 369 627 846
EP 1,060 433 666 1,055
Mole% Composition of FCC Gas Plant Streams
FCC FCC Coker
Component Tail Gas LPG Gasoline Off-Gas
H, 15.5 8.0
CH 4 35.8 47.2
C, 17.1 14.9
C 2= 11.0 2.5
1.6 17.9 8.4
C 3 =
c, 4.7 31.3 4.4
0.7 16.1 0.4 0.9
IC 4
NC 4 0.2 10.9 2.0 3.2
C 4 1.3 23.8 4.4 3.4
+
C 5 1.0 93.2 4.9
H 2S 2.1 2.0
7.2
N 2
CO 2 1.8 0.2
Total 100.0 100.0 100.0 100.0
Sp. Gravity 0.78 0.55 0.96