Un procedimiento para preparar éster succinato

Un proceso para preparar éster succinato que comprende las etapas de: (a) fermentación de sustratos de carbohidratos utilizando un biocatalizador para producir sal succinato; (b) clarificación del caldo de fermentación para separar el biocatalizador y las materias insolubles; (c) acidificación del c...

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Hauptverfasser: WANG, Bin, MISTRY, Manav, WILSON, Zachary, TOSUKHOWONG, Thidarat, DASARI, Rajesh
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creator WANG, Bin
MISTRY, Manav
WILSON, Zachary
TOSUKHOWONG, Thidarat
DASARI, Rajesh
description Un proceso para preparar éster succinato que comprende las etapas de: (a) fermentación de sustratos de carbohidratos utilizando un biocatalizador para producir sal succinato; (b) clarificación del caldo de fermentación para separar el biocatalizador y las materias insolubles; (c) acidificación del caldo de fermentación de la etapa (b) con ácido fosfórico; (d) cristalización controlada de ácido succínico en el caldo de fermentación acidificado de la etapa (c); (e) separación del ácido succínico cristalino del licor madre; (f) disolución de dicho cristal cristalino de ácido succínico de la etapa (e) en un alcohol; (g) esterificación de dicho ácido succínico disuelto en alcohol en la etapa (f); y (h) recuperar el éster de ácido succínico mediante destilación. This invention relates to a process for preparing succinate ester from a succinic acid salt present in a fermentation broth. In the first stage of this invention, renewable carbon resources are utilized to produce succinic acid in the form of a succinic acid salt through biological fermentation. The succinic acid salt present in the fermentation broth is subjected to double displacement reaction with a strong acid leading to the release of succinic acid. Succinic acid is recovered by fractional crystallization integrated with an alcohol washing step and subjected to esterification reaction to produce succinate ester which is purified by fractional distillation. The succinate ester thus obtained is converted into 1,4-butanediol, gamma-butyrolactone and tetrahydrofuran through hydrogenation reactions. The succinate ester can also be hydrolyzed to yield highly pure succinic acid.
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This invention relates to a process for preparing succinate ester from a succinic acid salt present in a fermentation broth. In the first stage of this invention, renewable carbon resources are utilized to produce succinic acid in the form of a succinic acid salt through biological fermentation. The succinic acid salt present in the fermentation broth is subjected to double displacement reaction with a strong acid leading to the release of succinic acid. Succinic acid is recovered by fractional crystallization integrated with an alcohol washing step and subjected to esterification reaction to produce succinate ester which is purified by fractional distillation. The succinate ester thus obtained is converted into 1,4-butanediol, gamma-butyrolactone and tetrahydrofuran through hydrogenation reactions. 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This invention relates to a process for preparing succinate ester from a succinic acid salt present in a fermentation broth. In the first stage of this invention, renewable carbon resources are utilized to produce succinic acid in the form of a succinic acid salt through biological fermentation. The succinic acid salt present in the fermentation broth is subjected to double displacement reaction with a strong acid leading to the release of succinic acid. Succinic acid is recovered by fractional crystallization integrated with an alcohol washing step and subjected to esterification reaction to produce succinate ester which is purified by fractional distillation. The succinate ester thus obtained is converted into 1,4-butanediol, gamma-butyrolactone and tetrahydrofuran through hydrogenation reactions. 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This invention relates to a process for preparing succinate ester from a succinic acid salt present in a fermentation broth. In the first stage of this invention, renewable carbon resources are utilized to produce succinic acid in the form of a succinic acid salt through biological fermentation. The succinic acid salt present in the fermentation broth is subjected to double displacement reaction with a strong acid leading to the release of succinic acid. Succinic acid is recovered by fractional crystallization integrated with an alcohol washing step and subjected to esterification reaction to produce succinate ester which is purified by fractional distillation. The succinate ester thus obtained is converted into 1,4-butanediol, gamma-butyrolactone and tetrahydrofuran through hydrogenation reactions. The succinate ester can also be hydrolyzed to yield highly pure succinic acid.</abstract><oa>free_for_read</oa></addata></record>
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subjects ACYCLIC OR CARBOCYCLIC COMPOUNDS
BEER
BIOCHEMISTRY
CHEMISTRY
ENZYMOLOGY
FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE
METALLURGY
MICROBIOLOGY
MUTATION OR GENETIC ENGINEERING
ORGANIC CHEMISTRY
SPIRITS
VINEGAR
WINE
title Un procedimiento para preparar éster succinato
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