Process for the preparation of 1,2-dichloroethane by oxychlorination
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United States of America Patent
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Jul 9, 2002
Grant Date -
N/A
app pub date -
Jul 31, 2000
filing date -
Dec 1, 1997
priority date (Note) -
Expired
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Abstract
The present invention is directed to a process for preparing 1,2-dichloroethane by reacting ethene with hydrogen chloride and oxygen over a copper-containing fluidized-bed catalyst. The discharge of the catalyst from the reactor per se is avoided if the catalyst is virtually completely retained in the upper part of the reactor by means of superfine filtration.
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