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Mining
Of or pertaining to the process or business of extracting materials, such as ore or minerals, from the earth's crust.
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Mining > Mineral mining 
Acheson process
Mining; General mining
A process for the production of artificial or synthetic graphite. It consists of sintering pulverized coke in the Acheson furnace at 2,760 to 3,316 degrees C.
Dow process
Mining; General mining
A process for the production of magnesium by electrolysis of molten magnesium chloride.
Pidgeon process
Mining; General mining
A process for the production of magnesium by the reduction of magnesium oxide with ferrosilicon.
Hopfner process
Mining; General mining
A process for the recovery of copper in which a solution of cuprous chloride in sodium or calcium chloride is used to dissolve copper sulfides. The solution is then electrolyzed ...
Moissan process
Mining; General mining
A process for the reduction of chromic oxide with carbon in an electric furnace, the hearth of which is lined with a calcium chromite prepared by heating together lime and chromic ...
dense-medium process
Mining; General mining
A process for the washing of coal, in which the desired separation is effected in a dense medium.
Lehmann process
Mining; General mining
A process for treating coal by disintegration and separation of the petrographic constituents (fusain, durain, and vitrain). It consists of subjecting the coal to resilient ...
Sub-categories
- Coal mining (40)
- Diamond mining (39)
- General mining (41978)
- Gold mining (103)
- Mineral mining (36958)
- Minerals (696)
- Mining tools (94)
- Space mining (40)