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    Crystallization is the solidification of atoms or molecules into a highly structured form called a crystal. And there are two types of crystallization generally:

    Evaporation crystallization

    Evaporation crystallization is the process of separating the solvent in a solution from the solute by heating it up, and it is the process of solute polymerization into a solid (crystal). with heating, the solvent was evaporated, so that the solution was changed from unsaturated to saturated. Heating evaporates the solvent so that the solution changes from unsaturated to saturated, and the excess solute precipitates as crystals if the evaporation continues, called evaporative crystallization.

    Cooling crystallization

    Cooling crystallization is a method of crystallization of the saturated solution. In essence, it is the precipitation of a solute from a solution in the form of crystals by lowering the temperature (for substances whose solubility increases significantly with the increase in temperature). The temperature of a solution that is saturated at a relatively high is lowered, so that the solute precipitates as crystals.