Continuous Distillation (Shortcut): Oper. Conds Tab

ContDistillationOperConds.jpg
Variable Definitions, Ranges and Default Values

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

 

Feed Quality (q) (%)

 

100

0 – 100

Min. Reflux Ratio
The minimum refkux ratio.

1.00

Positive

 Reflux/Minimum Reflux
The ratio of the minimum to effective reflux ratio

1.25

Positive

 Reflux Ratio
The effective reflux ratio

0.0

Positive

Minimum Number of Theoretical Stages

1.0

Positive

Number of Theoretical Stages

1.0

Positive

Stage Efficiency (%)

80.0

0 – 100

Number of Actual Stages

1.0

Positive

Column Pressure (bar)

1.03

Positive

Vapor Linear Velocity (m/s)

3.0

Positive

 Cooling Operating Temperature (°C)
The operating temperature of the condenser

90.0

Positive

Cooling Duty (kcal/h)
The thermal load of the condenser

0.0

Positive

Cooling Agent Name
Indicates the cooling agent used in the condenser. Click on the list box to bring up a list of available cooling agents in order to select one.

<Cooling Water>

Any Cooling Agent

Cooling Agent In Temp. (oC)
The inlet temperature of the cooling agent.

25.0

Positive

Cooling Agent Out Temp. (oC)
The outlet temperature of the cooling agent.

30.0

Positive

Cooling Agent Rate (kg/h)
The mass flow rate of the cooling agent.

0.0

Positive

Heating Operating Temperature (°C)
The operating temperature of the reboiler

100

Positive

Heating Duty (kcal/h)
The thermal load of the reboiler

0.0

Positive

Heating Agent Name
Indicates the heating agent that is used in the reboiler. Click on the list box to bring up a list of available heating agents in order to select one.

<Steam>

Any Heating Agent

Heating Agent In Temp. (oC)
The inlet temperature of the heating agent.

152.0

Positive

Heating Agent Out Temp. (oC)
The outlet temperature of the heating agent.

152.0

Positive

Heating Agent Rate (kg/h)
The mass flow rate of the heating agent.

0.0

Positive

Heat Transfer Efficiency(%)
The heating agent consumption efficiency. Specify a value below 100% to account for heat losses to the surroundings when a heating agent is used.

100.0

[0,100)

Symbol Key: User-specified value (always input); Calculated value (always output); Sometimes input, sometimes output