Introduction:Mineral after first choose dont, such as flotation, re-election or magnetic separation, parts of the containing gangue mineral and rock, and got a product of higher ore grade, known as the rough concentrate, generally still could not reach
Mineral after first choose don't, such as flotation, re-election or magnetic separation, parts of the containing gangue mineral and rock, and got a product of higher ore grade, known as the rough concentrate, generally still could not reach the requirements of the concentrate quality, the process is called cyclones.
Rougher concentrate to choose again in order to get qualified concentrate, the process is called selected assignments. Sometimes you need to rough concentrate after several selected to get qualified concentrate, the operation, in turn, is called a selection, secondary selection, select three times... .
General roughing tailings can not as the final scrap, often need to enter the next job processing, this operation is called scavenging. In order to improve the recovery rate of metal, sometimes after a lot of scavenging is needed to obtain final tailings