a study on fine grinding process in jet mill - ePrints@USM

2.4.1 Particle Breakage Mechanism in Jet mill 20
2.4.2 Jet mill design parameters
2.4.2.1 Effect of angle of nozzles
2.4.2.2 Effect of nozzles distance
2.4.2.3 Nozzles and types of nozzles
2.4.3 Jet mill operating parameters
2.4.3.1 Effect of feed rate
2.4.3.2 Effect of grinding pressure
2.4.3.3 Effect of classifier rotational speed
2.4.3.4 Effect of types of grinding fluids
2.4.4 Feed Characteristics
2.5 Mechanochemical effect induced by fine grinding process 39
2.6
2.5.1 Theoretical consideration
2.5.1.1 Shrinking and polymorphic transformation
2.5.1.1.1 Shrinking
2.5.1.1.2 Polymorphic transformation
2.5.1.1.3 Distortion of crystal lattice
2.5.1.1.4 Amorphization
2.5.2 Interaction of particle during fine grinding process
Characterization of structural changes during fine
grinding process
2.6.1 X-ray Diffraction method
2.6.2 Infrared Spectroscopy Method
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