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US06042799A Coproduction of acetylene and hydrocyanic acid from acrylonitrile 失效
从丙烯腈生产乙炔和氢氰酸

Coproduction of acetylene and hydrocyanic acid from acrylonitrile
摘要:
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.
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