Method for producing 1,2-dichloroethane
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United States of America Patent
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N/A
Issued Date -
Jan 2, 2003
app pub date -
Jul 10, 2002
filing date -
Nov 29, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A process for the preparation of 1,2-dichloroethane that is very pure with respect to chloral or/and chloral hydrate and carbon dioxide is described herein. The process comprises oxychlorination of ethylene, using hydrogen chloride and an oxygen-containing gas, and alkali treatment of the 1,2-dichloroethane produced. In the process, the carbon dioxide present in the 1,2-dichloroethane-containing organic phase is, in accordance with the invention, substantially separated out from the 1,2-dichloroethane-containing organic phase before the alkali treatment.
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