1100
1000
900
Flash Zone
Temp
EFV @
Atmos Press
EFV
@
29.67 Psia
800
700
600
500
400
300
200
100
0 10 20 30 40 50
% Vol
60 70 80 90 100
Temp °F
Fig. 18 EFV curve for whole
crude at flash zone conditions
Table 5 Calculation of total heat in the crude at the flash zone conditions
Stream
V/L
API
Wat. K
F
Weight, lb/h
Btu/lb
MMBtu/h
Crude vapor
V
50.0
11.8
720
194,145
528
102.509
Crude liquid
L
11.5
11.5
720
185,430
396
73.43
Total
379,575
175.939
166
D.S.J. Jones