calcium carbide


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calcium carbide

n.
A grayish-black crystalline compound, CaC2, obtained by heating pulverized limestone or quicklime with carbon and used to generate acetylene gas, as a dehydrating agent, and in the manufacture of graphite and hydrogen.

calcium carbide

n
(Elements & Compounds) a grey salt of calcium used in the production of acetylene (by its reaction with water) and calcium cyanamide. Formula: CaC2. Sometimes shortened to: carbide

cal′cium car′bide


n.
a grayish black powder, CaC2, used chiefly to generate acetylene by decomposing it in water.
[1885–90]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.calcium carbide - a grey salt of calcium (CaC) used in making acetylene
binary compound - chemical compound composed of only two elements
carbide - a binary compound of carbon with a more electropositive element
Translations
carburo di calcio
炭化カルシウム
References in periodicals archive ?
Another trader said the merchants would incur heavy losses if they did not use calcium carbide.
Background: The first chemical venture in Jebel Ali was an acetylene and calcium carbide plant which started up in 1985 as a JV between SZP Zavarivac of former Yugoslavia and Issa Oman Bin Haydar General Trading Establishment.
It has been committed to the production and sales of deep-processed chlorine products while striving for resources such as electricity, calcium carbide and crude salt.
After rapid expansion in the past five years, calcium carbide PVC has encountered great competition from ethylene PVC, especially after the price fall of crude oil since July 2008.
For a long time, China's PVC self-sufficiency rate has not reached 100%, along with the strong domestic demand, the domestic PVC production capacity is relatively lagging behind the demand, but after the domestic production capacity gradually released largely, the self-sufficiency rate reached in a high level, some months reached 90%; but affected by the global financial crisis, the production capacity had a relatively surplus, and the collapse of crude oil prices led to a negative affect for China's calcium carbide process PVC production cost, operating rate dropped drastically and PVC self-sufficiency rate has been dropped.
Table II-1-1 Classification of enterprises in calcium carbide industry in China
C/G") a Pittsburgh based manufacturer of graphite electrodes, needle coke and calcium carbide based products.
The addition may be either metallic or non-metallic, and the formula is equally reliable for such material melt additions as graphite, lime and calcium carbide.
is a leading manufacturer of industrial graphite and calcium carbide products with manufacturing facilities in St.
calcium carbide in slag, EPA has proposed deactivation as the treatment method.
Frank Kemeny, Vice President of Technology for NuFlux, LLC, the technology involves making timed additions of calcium carbide together with optimally proportioned slag making and slag foaming additives, into the EAF during the steel melting and refining operation.
The turnkey project for the Sanwei Group involves a fabric filter system for dust removal from the exhaust of an open calcium carbide electric furnace (for PVC production).