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

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Figure 4.11<br />

bars<br />

d(4.3) of silica at various level of P/N 2<br />

Figure 4.12 d(4.3) of talc at various level of P/N 2<br />

Figure 4.13 Span value of silica at various feed rate and classifier<br />

rotati<strong>on</strong>al speed (a) 2 bars (b) 3 bars (c) 4 bars (d) 5<br />

bars (e) 6 bars<br />

Figure 4.14 Span value of talc at various feed rate and classifier<br />

rotati<strong>on</strong>al speed (a) 2 bars (b) 3 bars (c) 4 bars (d) 5<br />

bars (e) 6 bars<br />

Figure 4.15<br />

Span value of silica at various level of P/N 2<br />

Figure 4.16 Span value of talc at various level of P/N 2<br />

Figure 4.17 Gr<strong>in</strong>d<strong>in</strong>g chamber pressure of silica at various feed rate<br />

and classifier rotati<strong>on</strong>al speed (a) 2 bars (b) 3 bars (c) 4<br />

bars (d) 5 bars (e) 6 bars<br />

Figure 4.18 Gr<strong>in</strong>d<strong>in</strong>g chamber pressure of talc at various feed rate<br />

and classifier rotati<strong>on</strong>al speed (a) 2 bars (b) 3 bars (c) 4<br />

bars (d) 5 bars (e) 6 bars<br />

Figure 4.19<br />

Figure 4.20<br />

95<br />

95<br />

98<br />

100<br />

101<br />

101<br />

104<br />

106<br />

d(4.3) of silica at various <strong>gr<strong>in</strong>d<strong>in</strong>g</strong> chamber pressure 109<br />

d(4.3) of talc at various <strong>gr<strong>in</strong>d<strong>in</strong>g</strong> chamber pressure<br />

Figure 4.21 Span value of silica at various <strong>gr<strong>in</strong>d<strong>in</strong>g</strong> chamber<br />

pressure<br />

Figure 4.22<br />

109<br />

110<br />

Span value of talc at various <strong>gr<strong>in</strong>d<strong>in</strong>g</strong> chamber pressure 110<br />

Figure 4.23 d(4.3) various level of holdup height of silica and talc 112<br />

xiv

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