calcium oxide


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calcium oxide

n.
A white, caustic, lumpy powder, CaO, used as a refractory, as a flux, in glassmaking, in waste treatment, in insecticides, as an industrial alkali, and in manufacturing steel, paper, and building materials. Also called calx, lime3, quicklime.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

calcium oxide

n
(Elements & Compounds) a white crystalline base used in the production of calcium hydroxide and bleaching powder and in the manufacture of glass, paper, and steel. Formula: CaO. Also called: lime, quicklime, calx, burnt lime, calcined lime or fluxing lime
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.calcium oxide - a white crystalline oxide used in the production of calcium hydroxide
atomic number 20, Ca, calcium - a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals
oxide - any compound of oxygen with another element or a radical
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References in periodicals archive ?
They came to the conclusion that calcium oxide could be used on fresh produce or sprouts as a natural microbial safety intervention technology.
Being a direct source of calcium oxide (CaO), the drilling
The aim of the injection of technical water after the steam superheater of the boiler activates the free calcium oxide in the OS fly ash and the increase of the efficiency of the flue gas desulphurisation by it [8].
So, for a 15 %-solution of calcium nitrate Ca[(N[O.sub.3]).sub.2], the maximum possible concentration of lime in terms of calcium oxide is 350 g/[dm.sup.3], for 20 %-solution--320 g/[dm.sup.3], for 25 %-solution--295 g/[dm.sup.3], for 30 %-solution--275 g/[dm.sup.3], for 35 %-solution--240 g/[dm.sup.3], and for 40 %-solution--200 g/[dm.sup.3], respectively (Fig.
Chromite Concentrate, soda ash (Na2CO3) and calcium oxide (CaO) were mixed in different ratios.
The company's catalyst products are designed to minimize the deactivation caused within applications by poisons such as calcium oxide deposits and arsenic.
Louis, manufacturers calcium products and calcium-based solutions including calcium oxide, calcium hydroxide and calcium carbonate products with production facilities in Missouri, Kentucky, Ohio, Illinois, Mississippi, West Virginia, South Carolina and Alabama.
He added, the sequestration system will "demonstrate the storage of seasonal production for later, easy transport to others and the reuse of the calcium oxide itself."
It loops calcium oxide and calcium carbonate (CaO/CaC[O.sub.3]) in a regenerative cycle to remove carbon dioxide in the post-combustion fumes of boilers.
In the presence of water, amorphous silica was treated with calcium oxide by using 0.2 % dispersing agent to develop CSH gel.