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

Figure 2.27 Particle size distribution of kaolinite ground in Herzog
oscillating mill at different grinding period, 60 s, 120 s
and 600 s
Figure 2.28 Micrographs of kaolinite ground in Herzog oscillating mill
(a) feed (b) ground at 120 s and (c) ground at 600 s.
Figure 2.29
Schematic representation of grinding process
Figure 2.30 Change in specific surface area of quartz (A), cement
clinker (B) and limestone (C) with grinding time
Figure 2.31 Particle size distribution of Product C ground in jet mill at
(a) low energy trials (b) high energy trials
Figure 2.32 Span of the size distribution from five different types of
mills
Figure 2.33 Change in X-ray diffraction pattern of calcite caused by
grinding
Figure 2.34
B sinθ
versus
λ
B cosθ
plot
λ
Figure 2.35 IR spectra of hydroxyl stretching region for samples
ground for (A) 0 min, (b) 60 min, (c) 180 min, (D) 300
min, (E) 400 min and (F) 600 min
Figure 2.36 FTIR spectra of diphasic mullite gel: (A) – Unground (B)
– ground
Figure 2.37 FTIR spectra of gypsum mixed with 35% of talc,
unground and ground for 240 min
Figure 3.1
Detail flow sheet of test work 64
Figure 3.2 Riffle splliter 65
Figure 3.3 Alpine 100 AFG fluidized bed jet mill
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