Silver-based ethylene oxide catalyst having reduced sodium content
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United States of America Patent
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Aug 30, 2016
Grant Date -
Nov 20, 2014
app pub date -
May 16, 2014
filing date -
May 16, 2013
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Abstract
A silver-based ethylene oxide catalyst that can be used in the vapor phase conversion of ethylene to ethylene oxide in the presence of oxygen is provided that includes a carrier; a catalytic effective amount of silver; and a promoting amount of at least one promoter, wherein the catalyst has a surface sodium content of 100 ppm or less.
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