Lower reactivity adsorbent and higher oxygenate capacity for removal of oxygenates from olefin streams
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United States of America Patent
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Apr 3, 2012
Grant Date -
Apr 7, 2011
app pub date -
Oct 6, 2009
filing date -
Oct 6, 2009
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Abstract
An improved adsorbent useful in removing contaminants from various hydrocarbon streams comprises a zeolite, an alumina and an added metal component provided in the adsorbent by initially contacting primarily the zeolite with the added metal. In a specific application, an adsorbent comprising sodium-impregnated zeolite Y and alumina is used to purify an ethylene stream in order to remove CO2, H2S, methanol, and other S- and O-containing compounds.
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