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