Processing effect cutting finely

As discussed in the previous section and summarized in Table II, a drawback of the MCFT method is that the mass accumulation in the fines removal system cannot be simulated, therefore we examined whether this mass accumulation has a notlcable effect on the process dynamics. In the simulation the fines removal is simulated with a cut sizes of 150 ]m. The fines flow rate and the recycle flow rate Q were 1.25 and. 75 liter per second. The results are sho%m in Flgi e 7 It is clear that the mass accumulation has Indeed an effect on the process dynamics. Even on the mean size of the crystals a clear shift in the response is seen. It appears that the effect is strongly dependent on the value of the recycle flow rate (not shown). The conclusion from these results is that the effects of mass accumulation in the fines system are present, and can only be neglected at low cutsizes and low fines recycle rates. 

These ratios are not always adequate to define the sharpness of cut [5]. In many cases it is important to keep the amount of fines in the coarse or the amount of coarse in the fines as small as possible. For these cases a measure of the effectiveness of a separation process is given by the following For the coarse yield ... 

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