Page 42 - Process simulation and control using Aspen

INTKODUCTION AND STKPWISK ASI'KN PLUS SIMULATION 35

Choosing Blocks/BUBBLE/Results in the column at the left side, we get the
following results summary for the present problem (see Figure 1.44).

JaflHI Ml *1
mi

WMllwilfc ii»»i»y

NM1 »»»

IB 3(v«««iP»*Jl

ra fO Cor- OBban*
V
O 1
tmt

| SOU. | UnMaM |
j 0 - 6 -o- f. r.
.
111,1 ' MM *r

FIGURE 1.44
From the results sheet, we obtain the bubble point temperature = 42.75411960C.

1 .3 .4 Computation of Dew Point Temperature

Problem statement
Compute the dew point temperature at 1.5 bar of the hydrocarbon mixture, shown in
Table 1.2, using the RK-Soavc property method.
TABLE 1.2
Component Mole fraction

Ci 0 . 05
C2 0 . 1
Ca 0 . 15
<-c 4 0 . 1
n-C 0 .2
A
M3a 0 . 25
0 15
-
" (> , .
Assume the mixture inlet temperature of 250C, pressure of 5 bar and flow rate of
120 kmol/hr.