Process for producing dehydrated alcohols for use as component o

Distillation: processes – separatory – Distilling to separate or remove only water – From organic compound

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203 19, 203 58, 203 59, 203 64, 203 84, 203DIG13, 44 56, B01D 340, C07C 2984

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active

043660320

ABSTRACT:
Process for dehydrating aliphatic alcohols admixed with water wherein the alcohols-water mixture is subjected to a first fractionation in the presence of a selective solvent, giving a vapor effluent containing dehydrated light alcohols and a liquid phase containing heavy alcohols, water and the selective solvent, said liquid phase being subjected to a second fractionation giving as vapor effluent an hetero-azeotropic mixture of water and heavy alcohols and, as liquid effluent, the selective solvent, which is fed back, said hetero-azeotropic mixture being condensed and separated into:

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patent: 3990952 (1976-11-01), Katzen et al.

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