Method for esterification of a diol using a reactive distillation

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United States of America

PATENT NO 10421706
APP PUB NO 20180022682A1
SERIAL NO

15551754

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Abstract

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The invention relates to a conversion method that is fed with a diol feedstock that comprises at least 90% by weight of diol and a carboxylic acid feedstock that comprises at least 80% by weight of carboxylic acid. The method comprising at least:

    An esterification step which is fed with at least the diol feedstock and at least the carboxylic acid feedstock, wherein the carboxylic acid/diol molar ratio at the inlet of the esterification step is between 2 and 6, the esterification step comprises at least one reactive distillation column that has a mixed reaction/separation zone located between two separation zones; andA water elimination step that is fed with distillate from the esterification step that comprises water and producing at least one water effluent.

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Patent Owner(s)

Patent OwnerAddress
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINCLERMONT-FERRAND
IFP ENERGIES NOUVELLESRUEIL-MALMAISON

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dorato, Margarita Clermont-Ferrand, FR 14 35
Jacquin, Marc Lyons, FR 30 194
Leinekugel, Le Cocq Damien Lyons, FR 42 74
Pacheco, Nuno Clermont-Ferrand, FR 15 39
Rannoux, Claire Clermont-Ferrand, FR 26 58
Richard, Romain St. Quentin Fallavier, FR 4 5

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