Calcium carbide is a
chemical compound with the chemical formula CaC2. It has the
appearance of grayish white lumps.
Calcium carbide is a rock-like solid, grayish / black in colour.
Calcium carbide is a basic inorganic chemical intermediate, mainly
used for the manufacture of acetylene
- The demand growth in Calcium carbide is
driven by segments like DS compounds due to shift to high purity
steel production with increase in production of steel across the
country. The other users are DA gas and Tri- Chloro ethylene.
- At present, in
India, there are 8 major merchant manufacturers of calcium carbide
with an installed capacity of 1.55 lac tonnes p.a.in the organised
sector. Besides, there are over 50 small-scale units with an
estimated capacity of 60,000 tonnes p.a..
- The total market
demand for calcium carbide is estimated to be around 85,000 tonnes.
At present, there are no units of calcium carbide in the organised
sector in the North Eastern region. Suppliers from Calcutta and
Orissa are meeting the total demand for calcium carbide from this
Calcium carbide was used in
carbide lamps, in which water drips on carbide and the formed
acetylene is ignited. These lamps were of no use in coal mines where
the presence of the explosive gas methane made them a serious
In the ripening of fruit, it
is used as source of acetylene gas, which is a ripening agent
(similar to ethylene).
is used in the Production of
acetylene, Production of calcium cyanamide, Steelmaking, Carbide
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