Use this window to specify that the crystallizer will operate in Design or Rating mode and to supply the specification.
You must select either Design or Rating. If you select Rating, the Crystallizer Volume must be entered. If Design is selected, one of the Design Specifications is required.
In Design mode, you must select a specification and define its value.
Crystal Production Rate: Enter the production rate of the crystals in weight units.
Fraction of Solute Crystallized: Enter the fraction of the total solute in the combined feeds that is to be crystallized.
Magma Density in the Bottom Product: Enter the density of the bottom product as weight of crystals per unit volume of slurry.
Supersaturation Ratio: Enter the supersaturation ratio which is defined as:
(Xexit-Xsat)/Xsat
Where: Xexit is the liquid phase mole fraction of the solute in the bottom product
and Xsat is the saturation mole fraction of the solute in the bottom product.
Alternatively, instead of entering a numeric value for the parameters in this window, they may be referenced using the Define system relative to any available unit operation or stream parameter calculated elsewhere in the simulation. See Crystallizer Parameters available for Cross-Referencing for more details.
The Crystallizer Calculation Mode window is accessed by pressing the Calculation Mode button on the Crystallizer Main Window.
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