The following table shows a brief description of the variables appearing in this tab. The table also displays their default values and their generally acceptable range:
Variable |
Default Value |
Range |
|
||
○ Number of Theoretical Stages |
3 |
Positive Integer |
○ Stage Efficiency (%) |
80.0 |
0 – 100 |
○ Column Pressure (atm) |
1.0 |
Positive |
◙ Condenser Operating Temp. (°C) |
90.0 |
Positive |
● Condenser Duty (kcal/h) |
0.0 |
Positive |
○ Condenser Agent Name |
<Cooling Water> |
Any Cooling Agent |
● Condenser Agent In Temp. (oC) |
25.0 |
Positive |
● Condenser Agent Out Temp. (oC) |
30.0 |
Positive |
● Condenser Agent Rate (kg/h) |
0.0 |
Positive |
○ Flash Feed? |
Yes |
Yes/No |
● Feed Quality (q) (%) |
100 |
0 – 100 |
○ Feed Stage Position |
2 |
Positive Integer |
● Stripping Ratio (L/F) |
1.0 |
Positive |
○ Bottom Stream (B/F) |
0.5 |
Positive |
○ Reflux Ratio (L/D) |
0.0 |
Positive |
○ Vapor Linear Velocity (m/s) |
3.0 |
Positive |
● Reboiler Operating Temp. (°C) |
100 |
Positive |
● Reboiler Duty (kcal/h) |
0.0 |
Positive |
○ Reboiler Agent Name |
<Steam> |
Any Heating Agent |
● Reboiler Agent In Temp. (oC) |
152.0 |
Positive |
● Reboiler Agent Out Temp. (oC) |
152.0 |
Positive |
● Reboiler Agent Rate (kg/h) |
0.0 |
Positive |
○ Heat Transfer Efficiency(%) |
100.0 |
[0,100) |
Symbol Key: ○ User-specified value (always input); ● Calculated value (always output); ◙ Sometimes input, sometimes output
For details on how the variables appearing in this tab are implemented, see Continuous Distillation (Rigorous): Modeling Calculations.