Method for separating an organic compound from an aqueous medium
AssigneeSolvay SA
InventorsBenoît Gosselin, Michel Strebelle
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Abstract
Process for the manufacture of an organic compound in a water-containing liquid medium, according to which a mixture of reaction products comprising the organic compound, water and by-products is collected, at least a portion of the organic compound is separated from the mixture of reaction products, an effluent containing water and by-products is collected, an organic solvent is added to the effluent and the mixture containing the effluent and the solvent is subjected to a distillation treatment.
Claims11
A process for the manufacture of an oxirane by reaction between an olefin compound and hydrogen peroxide in a water-containing liquid medium, according to which a mixture of reaction products comprising the oxirane, water and hydroxylated by-products formed by the opening of the oxirane ring is collected, at least a portion of the oxirane is separated from the mixture of reaction products, an effluent containing water and by-products is collected, an organic solvent, which presents a very low miscibility with water and which is capable of extracting the by-products from the aqueous effluent, is added to the effluent and the mixture containing the effluent and the solvent is subjected to a distillation treatment.
Dependencies are inferred from the claim text.