Hydrogen cyanide process and apparatus therefor
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United States of America Patent
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-
Dec 2, 2003
Grant Date -
Dec 5, 2002
app pub date -
May 28, 2002
filing date -
Sep 1, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A catalytic process and apparatus therefor for the manufacture of hydrogen cyanide. In the process an oxygen rich oxidant stream and at least one oxidant-free feed steam containing methane and ammonia are separately preheated and rapidly mixed to form a detonable mixed stream at a temperature which is at least 50.degree. C. below the autoignition temperature of the mixed stream. The mixed stream is then conveyed to a catalyst capable of catalysing the formation of hydrogen cyanide at such a velocity that detonation is avoided. The process is more energy efficient and gives rise to an effluent stream containing more hydrogen than the conventional Andrussow process.
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