Catalyst and process for oxychlorination of ethylene to dichloroethane
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United States of America Patent
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Jul 7, 2015
Grant Date -
Sep 18, 2014
app pub date -
Mar 17, 2014
filing date -
Mar 15, 2013
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Abstract
In an oxychlorination process of the type where ethylene is converted to 1,2-dichloroethane in the presence of a supported copper catalyst, the improvement comprising: the use of a supported catalyst prepared by (i) impregnating, within a first step, an alumina support with a first aqueous solution including copper, an alkaline earth metal, and an alkali metal to thereby form a first catalyst component; and (ii) impregnating, within a subsequent step, the first catalyst component with a second aqueous solution including copper and alkaline earth metal, where the second aqueous solution is substantially devoid of alkali metal, to thereby form the supported catalyst.
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