Calcium carbide can be purchased in India from chemical manufacturers, wholesale suppliers, and third-party dealers. Since calcium carbide is popularly used in artificial fruit ripening, it is in huge demand in the fruit processing industry. It also has a huge demand in the chemical industry for the production of acetylene gas, for the generation of carbide lamps; manufacturing of fertilizer, and in steelmaking processes. This growing demand of calcium carbide has increased the supply and made it easily available among the dealers, suppliers, and manufacturers.
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Calcium carbide: Properties
Calcium carbide, also known as calcium acetylide, is an inorganic chemical compound with formula CaC2. Pure calcium carbide is colorless and odorless; however, the commercial calcium carbide presents a different color range depending on the impurities present in it. The common impurities present in commercial calcium carbide are calcium, magnesium, and other oxides.
Some of the important chemical properties of calcium carbide include:
|Boiling Point||2300o C|
|Melting Point||2160 o C|
|Molecular Weight/ Molar Mass||64.099 g/mol|
Calcium carbide is produced in industries using a mixture of coke and lime at a temperature of approximately 2200 ° C (3990 ° F) in an electric arc furnace. This method was invented by a Canadian inventor Thomas L. Wilson in the year 1892 and this production process has not changed ever since.
Calcium carbide is used in the production of important industrial chemicals. Calcium carbide when reacts with water produces acetylene and calcium hydroxide, both of which are used in important industrial processes. Another important chemical, calcium cyanamide, can be produced from calcium carbide by reacting it with nitrogen at relatively high temperature. During the steel making process, calcium carbide is used in the desulfurization of iron.
Calcium carbide is an important industrial chemical compound and is in huge demand in the chemical industry and the fruit industry. One can easily buy calcium carbide stones or powder for industrial or research use easily at Carbanio.com.
Invention and commercialization of calcium carbide
Calcium carbide was accidentally discovered by a Canadian inventor, Thomas L. Wilson while he was searching for an economical process to make aluminum. In one of these experiments, while working on lime (calcium oxide) and carbon (powdered coal) in an electric furnace to produce metallic calcium; to his surprise he found an unknown substance, which turned out to be calcium carbide.
Though calcium carbide was first produced in 1891, the commercial production started in 1894. Acetylene, the byproduct of calcium carbide, had the ability to produce flame up to 12 times brighter than a coal gas; this made calcium carbide popular and the first commercial production process began in the year 1894. Calcium carbide soon began popular for a wide range of industrial applications it offers; some of the applications include improved lighting, manufacturing of high-quality alloy steels, rapid welding and cutting of metals, nitrogen fixation, fertilizer manufacturing, and synthesis of organic chemicals like chloroform and aldehydes.
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Calcium carbide, an artificial fruit ripening agent
Calcium carbide is used in some countries for artificial ripening of fruits. Calcium carbide produces acetylene gas when it comes in contact with the moisture; acetylene is found to speed up the ripening process. This effect is similar to the natural ripening where ethylene is produced.
The fruit processing industry uses artificial ripening to increase the supply, thereby, meet the ever-growing consumer demand. Though, the artificial fruit ripening has become quite common nowadays, the government food and health security has raised its concern for using calcium carbide for artificial food ripening as it has been found to be harmful to the humans due to the traces of arsenic and phosphorus it contains. Consumption of artificially ripened fruits puts one at a greater risk of short-term and long-term health effects.
Due to the hazardous effects of artificial fruit ripening, calcium carbide in banned in many countries of the world including India. In India, artificial fruit ripening is banned under the Prevention of Food Adulteration (PFA) Act, 1954, and the Prevention of Food Adulteration Rules, 1955; according to this act, no fruit can be ripened using calcium carbide.
What is calcium carbide used for?
- It is used for artificial fruit ripening process
- It is used in the production of acetylene, an important gas used in the industrial welding and cutting
- Acetylene the derivative of calcium carbide is also used in the production of polyvinyl chloride (PVC), a high strength thermoplastic material
- It is used in the production of calcium hydroxide, sewage treatment, paper production, construction, and food processing
- Calcium carbide is used in the production of calcium cyanamide, a chemical compound used in industrial agricultural fertilizers
- It is used in the removal of sulfur from iron
- It is used in lamps such as carbide lamps which doesn’t require fuel; the water drops falling on calcium carbide produces acetylene gas, which burns and gives light
- In early days, calcium carbide was used in headlights of automobiles
- It is used as a deoxidizer to help remove oxygen during the manufacturing of steel
Calcium carbide: Global market
The global calcium carbide market is expected to grow at a fast phase in the near future due its increasing demand in a wide range of industries that include steel industry, plastic industry, pharmaceuticals, cosmetics, fertilizers and so on. The fastest growing calcium carbide market contributes to major industrial applications such as production of acetylene, cutting, welding, carbide lamps, calcium hydroxide, and the list goes on. Also, the byproducts acetylene and calcium hydroxide play an important role in favoring the growth of calcium carbide market.
China is the dominant player in the global calcium carbide market; while Europe, Japan, and the US being the other major carbon carbide consuming countries. The large coal reserve in China and the rapidly growing chemical industry has created strong base for production and consumption of calcium carbide in China over the last few years. But considering China’s current slow economic growth, the production capacity is expected to be moderate; however, the global consumption of calcium carbide will continue to grow and will reach a maximum by 2024.
The key players in the calcium carbide market
The top companies who contribute to the global calcium carbide market are:
- Carbide Industries
- MCB Industries
- Praxair Technology
- SA Calcium Carbide
- APH Regency Power
- DCM Shriram
- Erdos Xinhua Silicon Metal Industries
Calcium carbide market: India
The carbon carbide market in India has not been consistent and have seen a rise and fall since its first production in the year 1950. The carbon carbide production started at a mid-sized setup in states like Kerala where abundant and cheap hydro-power were available. The chemical plants didn’t perform well due to the poor quality of calciferous used; calciferous are the burnt lime used in this process. The calcium carbide produced were not of good quality due the use of inferior quality calciferous. The other factors contributing to the failure of the calcium carbide production were the high-power consuming plants and the lower technology design of the furnace.
Though the Indian calcium carbide market has experienced considerable fluctuations over the years, it had seen a stable growth during the fiscal years 2013-2019. The increase in the production is seen due to the use of calcium carbide in the production of calcium cyanamide, the chemical used in the manufacture of fertilizers. It was reported that the calcium carbide production in India was around 83 thousand metric ton for the fiscal year 2019 and the Indian chemical industry was valued at $100 billion for the same fiscal year.
Buying calcium carbide online
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