Frank–Caro process
Aka cyanamide process: nitrogen fixation reaction of calcium carbide with nitrogen gas / From Wikipedia, the free encyclopedia
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The Frank–Caro process, also called cyanamide process, is the nitrogen fixation reaction of calcium carbide with nitrogen gas in a reactor vessel at about 1,000 °C. The reaction is exothermic and self-sustaining once the reaction temperature is reached. Originally the reaction took place in large steel cylinders with an electrical resistance element providing initial heat to start the reaction. Modern production uses rotating ovens. The synthesis produces a solid mixture of calcium cyanamide (CaCN2), also known as nitrolime, and carbon.
- CaC2 + N2 → CaCN2 + C
Quick Facts Process type, Product(s) ...
Process type | Chemical |
---|---|
Product(s) | calcium cyanamide |
Leading companies | North Western Cyanamide Company |
Main facilities | Odda, Norway |
Year of invention | 1895–1899 |
Developer(s) | Adolph Frank Nikodem Caro |
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