6 Crystallizer Design and Operation1
6 Crystallizer Design and Operation1
6 Crystallizer Design and Operation1
standard screens.
The size of a crystal is taken to be the average of the screen
openings of successive sizes that just pass and just retain the
crystal.
The cumulative wt % either greater or less than a specified
screen opening is recorded.
Typical size distribution data on the following figure are
plotted in two cumulative modes, greater than or less than,
and as differential polygons or histograms.
Several ways of recording CSD
(a)
(b)
Differential polygon
(d)
Differential histogram
CONDITIONS OF PRECIPITATION
B k1 c b (2)
G k2 c g (3)
wi L0 i L
3
R (4)
i 0i
w L3
wi L0 i L wi L0 i L
3 3
R 20
wi L0 i 3
0.003935
wi L0 i L wi L0 i L
3 3
R 181.79
wi L0 i 3
0.003935