... classifiers have been used for bauxite, Bentonite, bricks,Kaolin and GCC powders, the air classifier is big, it can ... existing GCC powder manufacturer's capacity requirements.the capacity of Alpha1200 is as the following:d97<10 micron 7t ... h,d97<25 micorn 22t/hthe energy consumption is very low, for 20 micron, it is 67kwh/t, for ... .the ball mill installation is 630kw. GCC grinding and classifying plant