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

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4.1.2 Morphological Study<br />

4.1.3 Phase analysis<br />

4.1.4 Chemical compositi<strong>on</strong><br />

4.1.5 B<strong>on</strong>d<strong>in</strong>g movement<br />

4.2 Effect of the operati<strong>on</strong>al parameters of <strong>jet</strong> <strong>mill</strong> <strong>on</strong> the<br />

product <strong>f<strong>in</strong>e</strong>ness<br />

4.2.1 Effect of Operati<strong>on</strong>al Parameters <strong>on</strong> the Particle<br />

Size, d(4.3) and particle Size Distributi<strong>on</strong> (Span<br />

Value)<br />

4.3 Effect Of Inside Mill C<strong>on</strong>diti<strong>on</strong> 102<br />

4.3.1 Effect Of The Gr<strong>in</strong>d<strong>in</strong>g Chamber Pressure 102<br />

4.3.2 Effect of <strong>jet</strong> <strong>mill</strong> operati<strong>on</strong>al parameter <strong>on</strong> the<br />

holdup<br />

4.3.2.1 Holdup Height<br />

4.3.2.2Holdup mass<br />

4.4 Determ<strong>in</strong>ati<strong>on</strong> of silica and talc breakage mechanism 116<br />

4.4.1 Silica<br />

4.4.2 Talc<br />

4.5 Mechanochemical effect of silica and talc 138<br />

4.5.1 Phase transiti<strong>on</strong> of silica and talc<br />

4.5.2 B<strong>on</strong>d<strong>in</strong>g movement of silica and talc<br />

4.6 Specific Energy C<strong>on</strong>sumpti<strong>on</strong><br />

Chapter 5 C<strong>on</strong>clusi<strong>on</strong> And Suggesti<strong>on</strong><br />

5.1 C<strong>on</strong>clusi<strong>on</strong> 174<br />

5.2 Future Work 176<br />

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165

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