Calcium carbide

Calcium Carbide is a chemical compound with the formula CaC2. It is a solid at room temperature and is often used in the production of acetylene gas and calcium cyanamide.

History

Calcium carbide was first synthesized in 1892 by Thomas L. Willson during his experiments with the production of aluminum. However, it was not until 1894 that it was first commercialized by Union Carbide.

Production

Calcium carbide is produced in an electric arc furnace, where a mixture of lime and carbon is heated to high temperatures. The product is cooled and ground to produce the commercial product.

Uses

The primary use of calcium carbide is in the production of acetylene gas, which is used in a variety of applications including welding and cutting metals, and as a raw material in the production of many organic chemicals. Calcium carbide is also used in the production of calcium cyanamide, a fertilizer, and in steelmaking to remove sulfur from iron.

Safety

Calcium carbide reacts with water to produce acetylene gas, which is flammable and can be explosive under certain conditions. Therefore, it must be stored in a dry environment and handled with care.

Environmental Impact

The production of calcium carbide can result in the release of significant amounts of carbon dioxide into the atmosphere, contributing to global warming. In addition, the production process can also result in the release of calcium oxide and other pollutants into the environment.

See Also

• Acetylene
• Calcium cyanamide
• Union Carbide
• Thomas L. Willson

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