Mineral Processing Flashcards
1
Q
extractive metallurgy
A
chemical treatment of minerals to produce commercially pure metals
2
Q
crushing/griding
A
comminution: term for reducing particle size
3
Q
primary crushing
A
involves a jaw or gyratory crusher
4
Q
gridning
A
further reduction of particle size
5
Q
ball mills
A
ore grounded with high carbon alloy forget steel
6
Q
rod mills
A
horizontal cyclindrical rotating shells loaded with rods that grind the ore
7
Q
autogeneous mills
A
AG mills use large pieces of either ROM (run of mill) or primary crusher ore as the grinding media
8
Q
semi-autogeneous mills (SAG)
A
mill charge of competent rocks supplemented with steel balls
