Solids Leaching: Oper. Conds Tab

MixerSettlerLeachingOperConds.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

 

○ Mixer Residence Time (min)
The residence time in the mixer.

2.0

Positive

○ Settler Residence Time (min)
The residence time in the settler.

10.0

Positive

○ Operating Pressure (atm)
The pressure in the equipment during leaching.

1.0

Positive

● Operating Throughput (kg/h)
The mass flow rate in the equipment during leaching.

0.0

Positive

○ Power Type
Indicates the power type that is used by the operation. Click on the list box to bring up a list of available power types in order to select one.

<Std Power>

Any Power Type

◙ Specific Power (kW/m3)
The power consumed for the operation per mixer volume.

0.5

Positive

◙ Power (kW)
The total power consumed for the operation (per cycle).

0.0

Positive

◙ Power Per Unit (kW)
The power consumed for the operation per equipment unit.

0.0

Positive

○ Power Dissipation to Heat (%)
The percentage of total power consumed for this operation that turns into heat, thereby raising the temperature of the material contained in the equipment.

100.0

[0,100]

◙ Temperature (oC)
The operating temperature of the equipment.

25.0

Positive

◙ Heating Duty (kcal/h)
The heating duty of the heat transfer agent (if a heating agent is used).

0.0

Positive

◙ Cooling Duty (kcal/h)
The cooling duty of the heat transfer agent (if a cooling agent is used).

0.0

Positive

○ Heat Transfer Agent Name
Indicates the heat transfer agent used by the operation. Click on the list box to bring up a list of available heating agents in order to select one.

<Chilled Water>

Any Heat Transfer Agent

● Inlet Temp. (oC)
The inlet temperature of the heat transfer agent.

5.0

Positive

● Outlet Temp. (oC)
The outlet temperature of the heat transfer agent.

10.0

Positive

● Agent Rate (kg/h)
The mass flow rate of the heat transfer 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