CALCIUM CARBIDE
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CALCIUM CARBIDE
Calcium carbide, also known as calcium acetylide, is a chemical compound with the chemical formula of CaC2. Its main use industrially is in the production of acetylene and calcium cyanamide. The pure material is colorless, while pieces of technical-grade calcium carbide are grey or brown and consist of about 80–85% of CaC2 (the rest is CaO (calcium oxide), Ca3P2 (calcium phosphide), CaS (calcium sulfide), Ca3N2 (calcium nitride), SiC (silicon carbide), etc.). In the presence of trace moisture, technical-grade calcium carbide emits an unpleasant odor reminiscent of garlic.
MANUFACTURING PROCESS
Calcium carbide is prepared from a powdered lime material. The powdered lime material, possibly together with a reducing agent, is injected with the aid of a carrier gas into a plasma gas generated by a plasma generator. The heated lime material, together with any reducing agent used and the energy-rich plasma gas, is then introduced into a reaction chamber substantially surrounded on all sides by a solid reducing agent in piece form. When the lime material consists of quicklime, this is melted and reduced to liquid carbide and when the lime material consists of powdered limestone, it is burnt directly in the reaction zone to form liquid carbide.
Application Calcium Carbide
Ripened For Fruits
In general, fruits are typically sweet, sour, and the most common edible part of a plant. The process by which fruits obtain their ideal flavor, quality, color, agreeable character, and other textural features is known as ripening. In chemical terms, the change in composition, such as the conversion of starch to sugar, is associated with ripening. Fruit consumption has increased significantly in recent years as a result of increasing awareness of its health advantages.
Gas Welding
Acetylene is widely used as a less costly alternative to traditional petroleum-based heating fuels in a number of industrial processes. Raw calcium carbide finds additional uses in the steel production industry as a desulfurization and deoxidizing agent. Less common industry applications of calcium carbide include fuel for carbide lamps, the production of polyvinyl chloride (PVC), and fruit ripening.
Carbide Tools
Carbide is a chemical compound composed of a semi-metallic element or pure elements and carbon. The carbide symbol is made of two carbon atoms that form the carbide ions. The general properties of carbides include: Carbide materials are good conductors of electricity, Carbides have a high melting point, Carbide compounds have luster (gentle shining light reflected on the surface, Carbides are good conductors of heat.