Process for treating unreacted 1,2-dichloroethane from 1,2-dichloroethane cracking

An improved process for removal of chloroprene from 1,2-dichloroethane recovered unconverted from the effluent of 1,2-dichloroethane pyrolysis. The chloroprene is chlorinated with chlorine in the presence of o- or m-cresol or a chlorinated derivative thereof, and the excess chlorine from this step i...

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Hauptverfasser: FREY, HELLMUTH, SCHMIDHAMMER, LUDWIG
Format: Patent
Sprache:eng
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Zusammenfassung:An improved process for removal of chloroprene from 1,2-dichloroethane recovered unconverted from the effluent of 1,2-dichloroethane pyrolysis. The chloroprene is chlorinated with chlorine in the presence of o- or m-cresol or a chlorinated derivative thereof, and the excess chlorine from this step is removed by reaction with ethylene.