A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
Complexity factors
Typical complexity factors for the major process units in a refinery:
| Unit | Factor |
|---|---|
| Atmospheric distillation | 1.0 |
| Vacuum distillation | 2.0 |
| Vacuum flash | 1.0 |
| Thermal cracking | 3.0 |
| Visbreaking | 2.0 |
| Coking | 5.5 |
| Calcining | 108 |
| Asphalt | 1.5 |
| Lubes | 60.0 |
| FCC (50% conversion) | 5.0 |
| FCC (60% conversion) | 6.0 |
| Hydrocracking | 6.0 |
| Reforming | 5.0 |
| Isomerization | 3.0 |
| Alkylation | 11.0 |
| Polymerization | 9.0 |
| Oxygenates | 10.0 |
| Aromatics | 20.0 |
| Hydrorefining | 3.0 |
| Hydrotreating | 1.7 |
| Hydrogen production (MCFD) | 1.0 |
| Hydrogen recovery (MCFD) | 1.0 |
| Sulfur (Ton/day) | 85.0 |
