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Aluminum carbide has four carbon atoms in each aluminum atom, which gives it a tetrahedral structure. It is stable to 1400°C. It can be broken down in water, and it produces methane. From the above reactions, it is clear that aluminum carbide can be broken down in the water and formed methane.
What happens when aluminum reacts to carbon?
At high temperatures, aluminum reacts with carbon, nitrogen and sulfur to form the appropriate aluminum compounds. Aluminum carbide (Al4C3) is a form of pale yellow crystals. It can be heated by heating a mixture from these elements at higher temperatures than 1000degC.
Aluminum carbide preparation
Coke and alumina in electric furnace heating.
Aluminum carbide Al4C3 comes from a combination of two elements at high temperature.
Mixture of one part heavy smoking black and six parts aluminum powder was prepared. It was moistened by pine essential oil and placed in a tight layer inside a clay crucible. Finally, it was sealed with toner. All gaps should be filled with refractory earth mixed with asbestos fibers. The mixture was then placed in a crucible and pre-dried. For 30 minutes, the mixture was heated to 1200 F. A higher temperature is better for the reaction. The product is then cool and treated with dilute chloric acid (or an Alkaline solution). Aluminum carbide is prepared as fine crystal powder. It is then washed with water to remove any aluminum chloride. Finally, the product is quickly washed and placed in a drying oven at 90 80 degrees for drying. It contains a lot of aluminum nitride.
Pure aluminum carbide is inert, but the products that are made using this process can have different colors from those produced by other impurities.
Pure products without aluminum nitride are possible when they are calcined with hydrogen and a mixture containing calculated amounts aluminum and smokeblack. This takes about 2 to 3 hours and is done at 1800 1900. The prepared product can be ground again and calcined again at above temperatures
What’s the difference in Al4C3 and CaC2?
Answer: Most likely beryllium carbonide [Be2C]. And aluminum carbide[Al4c3]. Beryllium oxide (Be0) reacts with carbon at 2000degC[3600degF] in order to form brick-like Beryllium carbide. While the pale yellow aluminum caride is made from aluminum and carbon in an oven,
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