Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1998-10-16
2000-09-19
Richter, Johann
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568388, 568913, C07C 4578
Patent
active
061214973
ABSTRACT:
A process for the recovery of methyl ethyl ketone (MEK) from an aqueous mixture of MEK and ethanol comprising extracting the MEK from the mixture using an extractive solvent selected from the group consisting of isopentane, the o-, m-, m-isomers of xylene, and mixed xylenes. Preferably the extractive solvent is separated from the MFK in the extract by fractional distillation and recycled to the extraction step.
REFERENCES:
patent: 2528761 (1950-11-01), Lake et al.
patent: 3404186 (1968-10-01), Bailey et al.
patent: 5453166 (1995-09-01), Berg
Celanese International Corporation
Padmanabhan Sreeni
Richter Johann
Spiering M. Susan
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