The principal process used to manufacture cyanides is the Andrussow process in which gaseous hydrogen cyanide is produced from methane and ammonia in the presence of oxygen and a platinum catalyst.
ThE pRInCiPAl Process usEd To manuFActure cyanideS iS the AndrUssOw procESs in whiCh GaseOuS HYDrOgen cyaNide IS proDUcEd FrOm Methane and ammonia iN ThE prEsencE of Oxygen and a PLatinUM cataLyst.