Basics in Minerals Processing - Minerals in operation. 2. Size reduction. 3. Crushing. Grinding. Size control .. For harder feed there is a choice between a gyratory or a jaw crusher, see below.crushing grinding choice,grinding: an overview of operation and design - Minerals Research .paper covers topics relating to grinding mechanisms and laws, energy relationships ... These mills usually contain a charge of loose crushing bodies, or grinding ... A choice must also be made between open and closed circuit operation.
crushing grinding choice