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US 5,631,395 AGranted
Method for removing the acidic impurities contained in a vapourized stream composed by organic vapours and water
AssigneeEnichem Synthesis S.p.A.
InventorsFranco Rivetti, Daniele Delledonne
Life of this patent
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Abstract
Method for removing the acidic impurities contained in a vaporized stream consisting of an alkanol, an alkyl carbonate, water and still other organic species in minor amounts, which method consists in sending said stream to a solid adsorption reactor comprising alumina or activated charcoal.
Claims17
A method for removing acidic impurities, comprising the steps of:
- contacting a vaporized stream comprising an alkanol, an alkylcarbonate, water, and acidic impurities in an adsorption reactor comprising a solid adsorbent bed,
- wherein said adsorbent bed comprises an adsorbent selected from the group consisting of alumina, activated charcoal, and a mixture thereof.
Dependencies are inferred from the claim text.