calcination

Definitions

  • WordNet 3.6
    • n calcination the conversion of metals into their oxides as a result of heating to a high temperature
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Webster's Revised Unabridged Dictionary
    • Calcination (Chem) The act or process of disintegrating a substance, or rendering it friable by the action of heat, esp. by the expulsion of some volatile matter, as when carbonic and acid is expelled from carbonate of calcium in the burning of limestone in order to make lime.
    • Calcination The act or process of reducing a metal to an oxide or metallic calx; oxidation.
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Century Dictionary and Cyclopedia
    • n calcination The act or operation of calcining, or expelling from a substance by heat some volatile matter with which it is combined, or which is the cementing principle, and thus reducing it to a friable state. Thus chalk and carbonate of lime are reduced to lime by calcination or the expulsion of carbonic acid. See calcine, v. t.
    • n calcination In metallurgy: The operation of reducing a metal to an oxid or metallic calx: now called oxidation.
    • n calcination The process of being calcined, or heated with access of air: nearly equivalent to roasting.
    • n calcination The process of treating certain ores, especially of iron, for the purpose of making them more manageable in the furnace, nothing being taken from or added to the material thus treated. This is done with some Swedish iron ores.
    • n calcination The reduction to ashes of combustible substances by burning; a turning into ashes by combustion.
    • n calcination A calcined state or condition.
    • n calcination A product of calcination, a calcinate.
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Etymology

Webster's Revised Unabridged Dictionary
F. calcination,

Usage

In literature:

Calcined magnesia, 1/2 lb.
"The Art of Perfumery" by G. W. Septimus Piesse
When purified by calcination, it is termed pearlash.
"A Catechism of Familiar Things; Their History, and the Events Which Led to Their Discovery" by Benziger Brothers
Fresquyl's mill was smoking, and its calcined ruins were reflected on the deep water.
"The Works of Guy de Maupassant, Volume III (of 8)" by Guy de Maupassant
The general effect of the place was of vitality exhausted, of a body calcined, of romance turned into stone.
"Romance" by Joseph Conrad and F.M. Hueffer
And now all that remained were trampled flower-beds, tangled creepers, blackened walls, calcined rafters, twisted ironwork, and fallen masonry.
"Leaves from a Field Note-Book" by J. H. Morgan
The Chinese and the natives of the Eastern Islands chew it with betel- leaf and calcined mussel-shells.
"The Story of Ida Pfeiffer and Her Travels in Many Lands" by Anonymous
The smell issuing from this colossus, overthrown, burned, and calcined, was horrible.
"History of the Expedition to Russia" by Count Philip de Segur
Cloths for Cleaning Windows Without Use of Water can be made with a semi-liquid paste of benzine and calcined magnesia.
"Fowler's Household Helps" by A. L. Fowler
I never tried, but on the strength of others' testimony believe in the improvement of soils by means of calcined clay or earth.
"What I know of farming:" by Horace Greeley
A throne-crater can swallow up and calcine even gold mountains, and eject them as lava.
"The Invisible Lodge" by Jean Paul
Calcined alum 20 grains.
"On the cattle plague: or, Contagious typhus in horned cattle. Its history, origin, description, and treatment" by Honoré Bourguignon
The copper ore is calcined in the open air, in piles consisting of ore and coal, which burn for a month.
"Oregon and Eldorado" by Thomas Bulfinch
The calcination of mercury was mere child's play to this wonderful woman.
"The Memoirs of Jacques Casanova de Seingalt, Vol. III (of VI), "The Eternal Quest" The First Complete and Unabridged English Translation, Illustrated with Old Engravings" by Jacques Casanova de Seingalt
It is formed from burning fuel, from the calcination of limestone or chalk, and it is a product of respiration.
"Memoranda on Poisons" by Thomas Hawkes Tanner
The Great Fire had calcined its stones and undermined the safety of its walls.
"Highways and Byways in London" by E. T. Cook
On its calcined walls were only the faint traces of bas-reliefs.
"Discoveries among the Ruins of Nineveh and Babylon" by Austen H. Layard
The ore is first calcined sufficiently to make it friable.
"A Report on Washington Territory" by William Henry Ruffner
The teeth and tusks were charred, split, and calcined.
"The Swastika" by Thomas Wilson
It is a most repellent tract of desert just there, calcined and blasted.
"From sketch-book and diary" by Elizabeth Butler
Porcelain jasper is a clay indurated by natural calcination.
"Encyclopaedia Britannica, 11th Edition, Volume 15, Slice 3" by Various
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In poetry:

Daily so I might restore
Calcined heart and shrivelled skin,
A morning phœnix with proud roar
Kindled new within.
"Morning Phœnix" by Robert Graves

In news:

I am working for a local oil refinery to find a solution to a problem they are having with their off-gas incinerator at the end of a rotary kiln calciner.
I wrote a little thing in today's paper on Scout Niblett's new album, The Calcination of Scout Niblett, but I forgot to mention: She's playing JB's tonight.
The increase will be dependent on the product, BASF said, with increases up to 7 percent for hydrous and calcined products.
Increases of up to 7 percent slated for hydrous and calcined products.
Earth & Turf topdressers will spread a variety of materials such as sand, compost, topdressing mixes, calcined clay, infield mix, wood chips, lime and de-icing materials.
Specific applications include powder mixing, grinding, calcining, pulverizing, crushing and bagging operations.
Recently announced the elimination of a temporary energy surcharge across its lineup of calcined and water-washed kaolin clay products used in industrial (non-paper) applications, effective May 15, 2006.
TAM Ceramics recently announced it has expanded its material processing and recycling services and has made additional investments in dedicated calcining, crushing, milling, and sizing equipment.
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In science:

For the crystal growth we employ a copper-rich self-flux technique using a barium and copper precursor, BaCuO2 powder that was prepared from 99.999% pure BaCO3 and 99.995% pure CuO by repeated calcining under flowing oxygen.
Tl2Ba2CuO6+d Brings Spectroscopic Probes Deep Into the Overdoped Regime of the High-Tc Cuprates
The precursor powder was then calcined in air at 600 oC for 2 h. Pellets prepared from the calcined powder was sintered at 700 oC for 3 h in air. It was observed that with increasing amount of calcium, the sintering temperature could be extended up to 850 oC without any noticeable phase separation.
Effect of Chemical Pressure on the Magnetic Transition of Multiferroic Ca-BiFeO3
Grain Growth and Phase Transformation of Titanium Oxide During Calcination. J.
A unique metal-semiconductor interface and resultant electron transfer phenomenon
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