| 摘要 |
<p>The invention relates to a method for comminution of material in a grinding mill,in which method the ground material from the mill is classified by means of particlesizes. After the classification (4,24) of the ground material at least the partof the material (9,25) having a particle size greater than the desired predeterminedparticle size is targeted to an electromagnetic energy treatment (5,26) in atleast one stage.</p> |
