General mining

General mining

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

Industry: Mining

Contributors in General mining

General mining

A process for extracting manganese from low-grade oxide ores. The manganese ore is leached with dilute sulfur dioxide gas in the presence of calcium dithionate solution, the manganese being recovered ...

Taylor-White process

Mining; General mining

A process for heat-treating high-speed steels.

Linz-Donawitz process

Mining; General mining

A process for making steel from cast iron; it resembles the Bessemer process except for two important differences: (1) oxygen is used rather than air and (2) instead of blowing the gas through ...

oxygen process

Mining; General mining

A process for making steel in which oxygen is blown upon or through molten pig iron, whereby most of the carbon and impurities are removed by oxidation.

contact process

Mining; General mining

A process for making sulfuric acid. Sulfur dioxide gas (obtained by burning pyrite) is purified by electrical precipitation, and is passed over a catalytic agent to form sulfur trioxide that combined ...

Siemens direct process

Mining; General mining

A process for making wrought iron directly from iron ore, without the previous production of pig iron.

lime-soda sinter process

Mining; General mining

A process for manufacturing alumina, Al 2 O 3 . The raw material, such as clay or anorthosite, is sintered with limestone and soda ash to form sodium aluminate and calcium silicate. This sinter is ...