|
| |
The dry and wet crushing and grinding of ore or other mineral-bearing
products for the purpose of raising concentrate grade; removal of waste
and unwanted or deleterious substances from an otherwise useful product;
separation into distinct species of mixed minerals; chemical attack and
dissolution of selected values. Among the methods used are hand sorting
(including radioactivation and fluorescence); dense media separation;
screening and classification; gravity treatment with jigs, shaking tables,
Humphries spirals, Frue vanners, or sluices; magnetic separation at low or
high intensity; leach treatment, perhaps using pressure and heat; and
(universally) froth flotation. Also called beneficiation; ore dressing;
mineral dressing.
Source:
Dictionary of Mining, Mineral, and Related Terms
| |
|
