Crystallisation.pptx - Crystallisation Solid liquid...

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Crystallisation
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Solid –liquid separation Is the formation of solid particles within the homogeneous phase Ex-production of sucrose from sugar beet In crystallization the solution is con and usually cooled until the solute con becomes greater than its solubility at that temp.Then the solute comes out of the solution forming cyrstals of approx pure solute
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Magma : The two phase mixture of ML and crystals of all sizes which occupies the crystallizer and withdrawn as a product is called magma Importance of crystal size: Good yield and high purity is the objective Appearance: CSD
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Crystal geometry Defined as a solid composed of atoms, ions or molecules which are arranged in an orderly and repetitive matter. The atoms are ions are located in a three dimensional array Interatomic distance in a crystal b/w the imaginary planes are measured by X- ray difraction Sevenclasses:cubic,tetrogonal,orthorhombic,Hexagonal, Monoclinic, Triclinic and trigonal
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