General mining

General mining

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

Industry: Mining

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General mining

open-hearth process

Mining; General mining

A process for manufacturing steel, either acid or basic, according to the lining of the reverberatory furnace, in which selected pig iron and malleable scrap iron are melted, with the addition of ...

A process for manufacturing white lead in which softened and desilverized lead anodes, preferably containing some bismuth, are placed in the Sperry cells. Direct current dissolves the lead from the ...

Talbot process

Mining; General mining

A process for protecting the inside of cast-iron pipes with a coating of sand and bitumen.

MacArthur and Forest cyanide process

Mining; General mining

A process for recovering gold by leaching the pulped gold ore with a solution of 0.2% to 0.8% potassium cyanide, KCN, and then with water. The gold is obtained from this solution by precipitation on ...

Liqnipel process

Mining; General mining

A process for reducing high-moisture-content lignite from up to 40% moisture to about 10% moisture by pulverizing the raw coal, pelletizing the 14-mesh top size, thermally drying, and then mixing ...

Roesler process

Mining; General mining

A process for separating copper, and in part silver, from gold by fusing with sulfur or with antimony sulfide, obtaining copper or silver sulfide.

Pattinson process

Mining; General mining

A process for separating silver from lead in which the molten lead is slowly cooled, so that crystals poorer in silver solifidy out and are removed, leaving the melt richer in silver.