Process for the recovery of furfural

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United States of America

PATENT NO 10562874
APP PUB NO 20190270716A1
SERIAL NO

16346361

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Abstract

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A process for the extraction of furfural from a composition comprising furfural, water, at least one organic acid and an oxygenate solvent with a boiling point higher than that of furfural. The process includes: (a) subjecting the composition to a first liquid-liquid separation step to provide: (i) an organic phase; (b) subjecting the organic phase of step (a) to a first distillation step to provide: (i) a first top stream; (c) subjecting the first top stream of step (b) to a second liquid-liquid separation step to provide: (i) a second top stream; and (d) subjecting the second top stream of step (c) to a second distillation step to provide: (i) a third top stream comprising a furfural-water azeotrope, and (ii) a third bottom stream comprising furfural.

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Patent Owner(s)

Patent OwnerAddress
SHELL USA INCP O BOX 576 HOUSTON TX 77001-0576

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chheda, Juben Nemchand Houston, US 62 547
Ehrenreich-Gureja, Charu Amsterdam, NL 4 11
Lange, Jean Paul Andre Marie Joseph Ghislain Amsterdam, NL 29 46

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