General mining

General mining

General mining related terms and definitions in minerals and related activities.

Industry: Mining

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General mining

otisca process

Mining; General mining

A process that uses an inert heavy liquid with a specific gravity between that of coal and free mineral matter to separate coarse or fine-size coal in a static bath or cyclone separator.

Hybinette process

Mining; General mining

A process used for refining of crude nickel anodes. These are placed in reinforced concrete tanks lined with asphalt. The nickel anodes are dissolved electrochemically and the impurities, such as ...

A process used for the recovery of copper, uranium, and precious metals from weathered low-grade ore. The crushed material is laid on a slightly sloping, impervious pad and uniformly leached by the ...

Weldon process

Mining; General mining

A process used formerly for the recovery of manganese dioxide in making chlorine from hydrochloric acid in a stoneware still, by adding lime to the still liquor and oxidizing with air to precipitate ...

oxygen impingement process

Mining; General mining

A process used in steel making in which pure oxygen is blown down onto the bath in a converterlike vessel.

iron-reduction process

Mining; General mining

A process used in the treatment of lead ores.

Parkes process

Mining; General mining

A process used to recover precious metals from lead. It is based on the principle that if 1% to 2% of zinc is stirred into molten lead, a compound of zinc with gold and silver separates out and can ...