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Producing Sodium cyanide (NaCN)

NaCN: Sodium cyanide

for nylon via adiponitrile

Heat calcite.

CaCO3 right CaO + CO3 right


Heat CaO with coke.

CaO + 3C right CaC2 + CO


React calcium carbide with nitrogen in high temperature,

CaC2 + N2 right CaCN2 + C


and react with sodium carbonate after that.

CaCN2 + C + Na2CO3 right 2NaCN + CaCO3

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