CHEE 440 1 Granulation u done to  improve flow properties of the mix  improve compression properties of the mix  prevent segregation of components in.

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Presentation transcript:

CHEE Granulation u done to  improve flow properties of the mix  improve compression properties of the mix  prevent segregation of components in powder mix  reduce production of toxic dust  reduce possibility of ‘cake’ formation  increase convenience of transport

CHEE u particle bonding mechanisms  adhesion and cohesion forces in immobile liquid films  interfacial forces in mobile liquid films  solid bridges  attractive forces between solid particles

CHEE Granulation u Wet granulation equipment  3 main types l shear granulators l high speed mixer/granulators l fluidized bed granulators  shear granulator

CHEE Wet Granulation  high speed mixer/granulator

CHEE Wet Granulation fluidized bed granulator

CHEE Wet Granulation  other more specialized granulators l spray driers

CHEE Wet Granulation  pelletizers

CHEE Dry Granulation u Dry granulation equipment  sluggers  roller compactors