How Does a Breaker Work? | Coal News | Forum
Jul 24, 2008· The coal is also separated into Chestnut, Pea, Buckwheat, Rice, Barley and anything smaller than that goes into a single pile. The Barley is not much larger than coarse sand. The smallest sizes is generally sold for filtration and other uses which in turn is actually screened again at the plant that is using it filtration.