cyanide leaching
Смотреть что такое "cyanide leaching" в других словарях:
Leaching (metallurgy) — Leaching is a widely used extractive metallurgy technique which converts metals into soluble salts in aqueous media. Compared to pyrometallurgical operations, leaching is easier to perform and much less harmful, because no gaseous pollution… … Wikipedia
Heap leaching — is an industrial mining process to extract precious metals and copper compounds from ore.ProcessThe mined ore is crushed into small chunks and heaped on an impermeable plastic and/or clay lined leach pad where it can be irrigated with a leach… … Wikipedia
Dump leaching — is an industrial process to extract precious metals and copper from ores.[1] Dump leaching is similar to heap leaching, however in the case of dump leaching ore is taken directly from the mine and stacked on the leach pad without crushing where,… … Wikipedia
sodium cyanide — Chem. a white, crystalline, deliquescent, water soluble, poisonous powder, NaCN, prepared by heating sodium amide with charcoal: used chiefly in casehardening alloys, in the leaching and flotation of ore, and in electroplating. [1880 85] * * * … Universalium
sodium cyanide — so′dium cy′anide n. chem. a white, crystalline, water soluble, poisonous powder, NaCN, used chiefly in casehardening alloys, in the leaching and flotation of ore, and in electroplating • Etymology: 1880–85 … From formal English to slang
heap leaching — noun : a mining process in which metals are leached from a pile of crushed ore by a percolating solution (as of sodium cyanide) … Useful english dictionary
Gold extraction — or recovery from its ores may require a combination of comminution, mineral processing, hydrometallurgical, and pyrometallurgical processes to be performed on the ore. [cite web url=http://geology.com/publications/getting gold/gold… … Wikipedia
metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… … Universalium
Roșia Montană — Commune Location in Alba County … Wikipedia
Roşia Montană — ( Red Creek ; Hungarian: Verespatak ; German: Goldbach ) is a commune of Alba County in the Apuseni Mountains of western Transylvania, Romania. It is located in the Valea Roşiei, through which the Roşia River flows.The rich mineral resources of… … Wikipedia
Timbarra Gold Mine — The Timbarra Gold Mine was a highly controversial gold mine located on the Timbarra Plateau, at the head waters of the Clarence River, near Tenterfield, New South Wales, Australia. (Coordinates: 29°07′S 152°18′E). The gold ore body consisted of a … Wikipedia
