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SEPARATION TECHNIQUES - INTRODUCTION

SEPARATION TECHNIQUES -INTRODUCTIONSIVASWAROOP OF SEPARATION TECHNIQUES :TO IDENTIFY WHAT TO BE SEPARATED FROM OBTAIN IMPORTANT AND PURE REMOVE UNWANTED PARTICLES. TYPES OF SEPARATION TECHNIQUES : SEPARATION TECHNIQUES are classified based on type of mixtures: SEPARATION techniquesFor solid in liquid mixturesHomogenous:1. Evaporation 2. distillation 3. centrifugationHeterogenous:1. Sedimentation / gravitation 2. Filtration 3. Magnetic separation4. Fractional distillationFor liquid in liquid mixturesHomogenous:1. Simple or fractional distillation . 2. Chromatography Heterogenous:1. Partition SEPARATION using funnel MAGNETIC ,soitusefulonlyforcertainsubstancessucha sferromagnetic(materialsstronglyaffected bymagneticfields)andparamagnetic(materia lsthatarelessaffected,buttheeffectisstil lnoticeable).

distillation is like that of simple distillation, except that a fractionating column is fitted in between the distillation flask and the condenser. Applications: Separation of different fractions from petroleum products. Separation of a mixture of methanol and ethanol.

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