METHOD FOR THE PRODUCTION OF VERY PURE 1, 4-BUTANEDIOL

THE OBJECT OF THE PRESENT INVENTION IS A METHOD FOR THE PURIFYING DISTILLATION OF RAW, AQUEOUS 1.4-BUTANEDIOL (1), IN WHICH 1,4-BUTANEDIOL (5) FREED OF COMPONENTS BOILING AT A LOWER POINT THAN 1,4-BUTANEDIOL AND WATER IS CONDUCTED THROUGH THREE DISTILLATION COLUMNS (III, IV, V), COMPONENTS BOILING A...

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Bibliographic Details
Main Authors PINKOS, ROLF, BESTE, YORK ALEXANDER, LORENZ, RUDOLF ERICH
Format Patent
LanguageEnglish
Published 28.08.2015
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Summary:THE OBJECT OF THE PRESENT INVENTION IS A METHOD FOR THE PURIFYING DISTILLATION OF RAW, AQUEOUS 1.4-BUTANEDIOL (1), IN WHICH 1,4-BUTANEDIOL (5) FREED OF COMPONENTS BOILING AT A LOWER POINT THAN 1,4-BUTANEDIOL AND WATER IS CONDUCTED THROUGH THREE DISTILLATION COLUMNS (III, IV, V), COMPONENTS BOILING AT A HIGHER POINT THAN 1,4- BUTANEDIOL ARE DRAWN FROM THE BOTTOM OF THE FIRST COLUMN AND CONDUCTED TO THE THIRD (7), 1,4-BUTANEDIOL IS CONDUCTED FROM THE TOP OF THE FIRST COLUMN (6) INTO THE SECOND, THE BOTTOM PRODUCT OF THE SECOND COLUMN (9) IS CONDUCTED INTO THE THIRD, THE TOP PRODUCT OF THE THIRD COLUMN (11) IS RETURNED AT LEAST PARTIALLY TO THE FIRST COLUMN, CHARACTERIZED IN THAT THE PURE 1.4-BUTANEDIOL IS REMOVED FROM THE SIDE OUTLET OF THE SECOND COLUMN.
Bibliography:Application Number: MY2009PI03351