calcination

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calcination

calcination , in metallurgy , process of heating solid material to drive off volatile chemically combined components, e.g., carbon dioxide. It is sometimes a step in the extraction of metals from ores. Calcination is distinguished from drying, in which mechanically held water is driven off by heating, and from roasting, in which a material is heated in the presence of air to oxidize impurities. Originally calcination meant the method of obtaining lime (calcium oxide) from limestone by heating it to drive off carbon dioxide.

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"calcination." The Columbia Encyclopedia, Sixth Edition. 2008. Encyclopedia.com. 18 Dec. 2009 <http://www.encyclopedia.com>.

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calcine

The Concise Oxford Dictionary of English Etymology | 1996 | | Â© The Concise Oxford Dictionary of English Etymology 1996, originally published by Oxford University Press 1996. (Hide copyright information) Copyright

calcine reduce to quicklime. XIV. — (O)F. calciner or medL. calcināre (a term of alchemy), f. late L. calcīna lime, quicklime, f. L. CALX, calc-.
So calcination XIV.

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T. F. HOAD. "calcine." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. 18 Dec. 2009 <http://www.encyclopedia.com>.

T. F. HOAD. "calcine." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. (December 18, 2009). http://www.encyclopedia.com/doc/1O27-calcine.html

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calcine

The Oxford Pocket Dictionary of Current English | 2009 | © The Oxford Pocket Dictionary of Current English 2009, originally published by Oxford University Press 2009. (Hide copyright information) Copyright

cal·cine / ˈkalˌsīn/ • v. [tr.] [usu. as adj.] (calcined) reduce, oxidize, or desiccate by roasting or strong heat: calcined bone ash. DERIVATIVES: cal·ci·na·tion / kalsəˈnāshən/ n.

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