Page 67 - Process simulation and control using Aspen

60 PROCESS SIMULATION AND CONTROL USING ASPEN

Specifying property method
Choosing Properties /Specifications in the column at the left side , one obtains th
property input form. Use the Peng-Robinson thermodynamic package by selecting PENG e
-
ROB under the Base method tab (see Figure 2 .8).

ol lBj _ J _J w] KW«>|<H m -1 H JpJjJ J

3
r " 3
3
""
"
J * few Proc*li«t 1 3
" 3
3

U **-

STREAMS RSldc fn'«M BE RSbte RCSTR fiPH) BB*
_
- 3M| #
'
FIGURE 2.8

Specifying stream information
The Streams IFIInputISpecifications sheet appears with the Data Browser menu tree in
the left pane. Entering the values for state variables (temperature, pressure and total
flow) and composition (mole fraction), we finally have the following screen (see Figure 2.9).

DZSMSSEGSSSD
: fi* Hot Utorr Wrdo* H-c f
I r I -1 "I T» 'I -Ml I . 131
A|>Mdiedtio<n| FWiOwonTl
|/M1XED
i]
to'***
-
"
Ware 2mu« 3
3
~
p3" " 3
(i a ****** 3
1 'wr-S-
0
D
1
'J - ur
m-1 - i - i q s u
ttBUH, ' reS Bl . BO f"" SSiS
. ,.JCT»J . :

FIGURE 2.9