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