Reactive extraction for downstream separation of 1,3-propanediol |
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| Authors: | Malinowski J J |
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| Institution: | Polish Academy of Sciences, Institute of Chemical Engineering, ul. Baltycka 5, 44-100 Gliwice, Poland. j.mal@iich.gliwice.pl |
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| Abstract: | The downstream separation of 1,3-propanediol from dilute aqueous solution was studied. A process combining reversible reaction of 1, 3-propanediol with acetaldehyde to 2-methyl-1,3-dioxane and a simultaneous extraction of the product by organic solvent appears to be technically feasible and attractive. The dioxane yield was 91-92%, the overall conversion of 1,3-propanediol was ca. 98%, and recovery of dioxane into the organic extractant was 75%. |
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