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US 6,042,799 AGranted
Coproduction of acetylene and hydrocyanic acid from acrylonitrile
AssigneeBASF SE
InventorsKlaus Halbritter, Michael Henningsen, Manfred Julius, Wolf Stegmaier
Life of this patent
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Abstract
In the process for preparing acetylene and hydrocyanic acid by pyrolyzing acrylonitrile in a reactor, the gaseous reaction products of the pyrolysis are quenched down to less than 100.degree. C. immediately, advantageously within seconds, preferably within .ltoreq.1 s, of leaving the pyrolysis zone.
Claims10
A process for preparing acetylene and hydrocyanic acid, which comprises pyrolyzing acrylonitrile in a reactor, wherein gaseous reaction products of the pyrolysis are quenched down to less than 100.degree. C. immediately on leaving a pyrolysis zone of the reactor.
Dependencies are inferred from the claim text.