Mineral mining

Mineral mining

The extraction of valuable minerals or other geological materials from the earth for economic interests.

Industry: Mining

Contributors in Mineral mining

Mineral mining

An improved type of kep in which the kep shoes are withdrawn without previously raising the cage and thus reducing the decking time. The operation may be automatic, except for cage release, because ...

basic lining process

Mining; General mining

An improvement of the Bessemer process in which, by the use of a basic lining in the converter and by the addition of basic materials during the blow, it is possible to eliminate phosphorus from the ...

Pelton wheel

Mining; General mining

An impulse water turbine with buckets bolted to its periphery, which are struck by a high velocity jet of water. This turbine is most efficient under a head of from 900 to 1,000 ft (274 to 305 m) or ...