ore-smelting
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Ore dressing — is one of the principal processes in the work of mining. It consists of separating economically valuable minerals from those with little or no value, or of separating valuable minerals from each other, so that they may be further processed, for… … Wikipedia
Smelting — For other uses, see Smelt (disambiguation). Electric phosphate smelting furnace in a TVA chemical plant (1942) Smelting is a form of extractive metallurgy; its main use is to produce a metal from its ore. This includes iron extraction from … Wikipedia
smelting — Process by which a metal is obtained from its ore, either as the element or as a simple compound, usually by heating beyond the melting point, ordinarily in the presence of reducing agents such as coke or oxidizing agents such as air (see… … Universalium
Ore — For other uses, see Ore (disambiguation). Iron ore (Banded iron formation) … Wikipedia
smelting — The process of developing metal from ore by the removal of other substances and impurities. By its derivation, the term is synonymous with the word melting, but in metallurgy and commercial manufacture it has come to have a more contracted… … Ballentine's law dictionary
ore — /awr, ohr/, n. 1. a metal bearing mineral or rock, or a native metal, that can be mined at a profit. 2. a mineral or natural product serving as a source of some nonmetallic substance, as sulfur. [bef. 900; conflation of ME ore, OE ora ore,… … Universalium
öre — /ue rddeuh/, n., pl. öre. 1. a bronze coin of Norway, the 100th part of a krone. 2. a zinc or bronze coin of Denmark, the 100th part of a krone. 3. a bronze coin of Sweden, the 100th part of a krona. 4. a fractional currency of the Faeroe Islands … Universalium
Smelting — Smelt Smelt, v. t. [imp. & p. p. {Smelted}; p. pr. & vb. n. {Smelting}.] [Of foreign origin; cf. Sw. sm[ a]lta, D. smelten, Dan. smelte, Icel. smelta, G. schmelzen OHG. smelzan, smelzen; probably akin to Gr. ?????. Cf. {Enamel}, {Melt}, {Mute}, v … The Collaborative International Dictionary of English
smelting — processing of metal ore in order to extract the metal in its pure form. The word is probably from the Middle German for “melt” and heat is indeed the main requirement but other chemicals (called fluxes) are required as catalysts and to deal… … Geography glossary
ore hearth — a small blast furnace for smelting lead. Also called Scotch furnace, Scotch hearth. [1815 25] * * * … Universalium
smelting — noun The process of melting or fusion, especially to extract a metal from its ore … Wiktionary
