Process for removing nitrogenated and sulfurated contaminants from hydrocarbon streams
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United States of America Patent
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Aug 22, 2000
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N/A
app pub date -
Oct 21, 1998
filing date -
Apr 22, 1996
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Expired
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Abstract
A process for selectively removing nitrogenated and/or sulfurated contaminants from streams prevalently containing hydrocarbons with from 3 to 8 crbon atoms characterized in that it comprises an adsorption step wherein said contaminants are adsorbed by an adsorbent essentially consisting of silica gel at a temperature of between 0 and 150.degree. C. and at a pressure of between 1 and 20 atm and a regeneration step to remove the adsorbed substances by thermal treatment in a stream of insert gas carried out at a temperature of between 100 and 200.degree. C.
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