Dry Grinding VS Wet Grinding Mineral Processing Metallurgy
Dry Grinding VS Wet Grinding. ... in "face powder" is highly undesirable since such iron imparts a brown tint to the powder, and for this reason cosmetic and similar materials are usually ground in a mill having a ceramic body and with smooth natural pebbles as the grinding medium; that is, in a pebble mill. Similarly, pebble mills are used ...