- heap leaching
- Смотри кучное выщелачивание.
Энциклопедический словарь по металлургии. — М.: Интермет Инжиниринг. Главный редактор Н.П. Лякишев. 2000.
heap leaching
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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
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
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
Leaching — In general, leaching is the extraction of certain materials from a carrier into a liquid (usually, but not always a solvent). Specifically, it may refer to:*Leaching (agriculture) *Leaching (chemical science) *Leaching (metallurgy) **Dump… … 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
кучное выщелачивание — [heap leaching] выщелачивание ценных компонентов из отвальных, забалансовых и потерянных руд, проводимое на открытых, специально оборудованных площадках; отличается высокой производительностью и низкой себестоимостью продуктов. В промышленной… … Энциклопедический словарь по металлургии
Hydrometallurgy — is part of the field of extractive metallurgy involving the use of aqueous chemistry for the recovery of metals from ores, concentrates, and recycled or residual materials. Hydrometallurgy is typically divided into three general areas: *Leaching… … Wikipedia
Uranium mining — The Ranger Uranium Mine in Australia … Wikipedia
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
Copper extraction techniques — This article is about historical production methods. For modern methods, see Flash smelting. The Chino open pit copper mine in New Mexico … Wikipedia
