OXYGENATE REMOVAL FOR PARA-XYLENE PURIFICATION VIA ADSORPTION SEPARATION
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United States of America Patent
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Jul 8, 2021
app pub date -
Jan 6, 2020
filing date -
Jan 6, 2020
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Abstract
Apparatuses and processes for producing a para-xylene stream in an aromatics complex which include a toluene methylation unit and an adsorptive separation unit. A hydrogenation zone and an oxygenate removal zone are utilized to remove oxygenates from the effluent of the toluene methylation unit. The hydrogenation zone may be a liquid phase hydrogenation zone.
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