FLUID ENERGY MILL.pptx

FLUIDEnergyMill

1. TOPIC: Modes of SIZE Reduction & Fluid Enery Mill PHARMACEUTICAL ENGINEERING Prepared by kashish Wilson Assistant Professor, MM College of Pharmacy, MM(DU), Mullana Ambala

2. Modes of size reduction : Cutting : Description: The material is cut by means of a sharp blades.Type of material: used for fibrous and waxy material Eg : cutter mill Compression : In this mode material is crushed between roller by the application of pressure, used for soft materials Eg : roller mill Impact: This involve the operation of hammer/bars at high speeds. When a lump of material strikes the rotating hammers, the material splits apart. Used for all drugs Eg : fluid energy mill Attrition : breaking down by the rubbing action between two surfaces. Used for brittle drugs Eg : fluid energy mill, ball mill

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