Lead Zinc Sulfide Separation By Sequential Flotation
Apr 27, the grinding circuit as shown provides for removing the lead mineral as soon as free with the unit flotation cell. when grinding the average lead and zinc ore to minus 48 or 65 mesh, the lead mineral particles overflowing the classifier will, for the most part, be all minus 200 mesh. this is due to the difference in gravity between galena (sg 7.