how separate coal from rocks
Coal Separation PlantJul 6, 2007 . Dynamic Effect Separation of Coal by ESR International.how separate coal from rocks,Patent US1705456 - Coal and rock separating mechanism - Google .COAL AND ROCK sznnnmq macumisn Filed larch '7, 1924' 3 Sheets-Sheet 1 ey j . This invention relates to a method and apparatus for separating stone and.how separate coal from rocks,How is coal formed? - Kentucky Coal EducationMore plants grew up, but they too died and fell, forming separate layers. . Coal is defined as a readily combustible rock containing more than 50% by weight of.