- leaching process
- <nucl> ■ Laugungsprozess m<waste> ■ Auslaugverfahren n
English-german technical dictionary. 2013.
leaching process
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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 (chemical science) — In the chemical processing industry, leaching is known as extraction. Leaching has a variety of commercial applications, including separation of metal from ore using acid, and sugar from beets using hot water. Chloride can also be leached from… … Wikipedia
leaching — noun the process of leaching • Syn: ↑leach • Derivationally related forms: ↑leach (for: ↑leach) • Hypernyms: ↑natural process, ↑natural action, ↑ … Useful english dictionary
Leaching (pedology) — In pedology, leaching is the loss of mineral and organic solutes due to percolation. It is a mechanism of soil formation. It is distinct from the soil forming process of eluviation, which is the loss of mineral and organic colloids. Leached and… … 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
Selective leaching — Selective leaching, also called dealloying, demetalification, parting and selective corrosion, is a corrosion type in some solid solution alloys, when in suitable conditions a component of the alloys is preferentially leached from the material.… … Wikipedia
Separation process — In chemistry and chemical engineering, a separation process, or simply a separation, is any mass transfer process used to convert a mixture of substances into two or more distinct product mixtures, at least one of which is enriched in one or more … 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
Leblanc process — The Leblanc process was the industrial process for the production of soda ash (sodium carbonate) used throughout the 19th century, named after its inventor, Nicolas Leblanc. It involved two stages: Production of sodium sulfate from sodium… … Wikipedia
Bayer process — The Bayer process is the principal industrial means of refining bauxite to produce alumina.Bauxite, the most important ore of aluminium, contains only 30 54% alumina, Al2O3, the rest being a mixture of silica, various iron oxides, and titanium… … Wikipedia
Kroll process — The Kroll process is a pyrometallurgical industrial process used to produce metallic titanium. It was invented in 1940 by William J. Kroll in Luxembourg. After moving to the United States, Kroll further developed the method in 1945 for the… … Wikipedia
