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Expired
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GB30905/52A
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Goodrich Corp
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BF Goodrich Corp
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Publication of GB722980ApublicationCriticalpatent/GB722980A/en
C01C3/02—Preparation, separation or purification of hydrogen cyanide
C01C3/0208—Preparation in gaseous phase
C01C3/0212—Preparation in gaseous phase from hydrocarbons and ammonia in the presence of oxygen, e.g. the Andrussow-process
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Chemical & Material Sciences
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Organic Chemistry
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General Health & Medical Sciences
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Toxicology
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Inorganic Chemistry
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Abstract
In the production of hydrogen cyanide by interacting gaseous ammonia, oxygen and methane over a platinum metal catalyst, preferably a platinum-rhodium or platinum-iridium alloy catalyst, at a temperature of 1000 to 1260 DEG C., preferably 1100 to 1260 DEG C., natural gas containing between 80 and 92 per cent of methane, air and ammonia are mixed in a ratio providing 1.1 to 1.2 moles of methane per mole of ammonia and 1.4 to 1.5 moles of oxygen per mole of methane, the gaseous mixture is preheated to from 300 to 350 DEG C., and then passed over the catalyst. Specification 361,004 is referred to.
GB30905/52A1951-12-061952-12-05Improvements in or relating to a process for the production of hydrogen cyanide
ExpiredGB722980A
(en)
Electric reactors for catalytic gas reactions at high temperature, and process for the endothermic production of hydrocyanic acid and hydrogen, starting from methane and ammonia