Process and systems for obtaining 1,3-butanediol from fermentation broths
AssigneeGenomatica, Inc.
InventorsJulia Khandurina, Rachel Diane Pacheco, Lauri Hannunpoika Suominen, Rainer Wagester
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Abstract
Provided herein are bioderived 1,3-butanediol compositions and systems and processes for producing such bioderived 1,3-butanediol compositions.
Claims47
Bioderived 1,3-butylene glycol (1,3-BG), wherein the bioderived 1,3-BG comprises detectable levels of one or more compounds selected from the group consisting of 3-hydroxy-butanal, 4-hydroxy-2-butanone, 4-(3-hydroxybutoxy)butan-2-one, 4-((4-hydroxybutan-2-yl)oxy)-butan-2-one, 1,2-propanediol, 1,3-propanediol and 2,3-butanediol.
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A process of purifying bioderived 1,3-BG comprising:
- (a) subjecting a first bioderived 1,3-BG-containing product stream to a first column distillation procedure to remove materials with a boiling point higher than bioderived 1,3-BG, as a first high boilers stream, to produce a second bioderived 1,3-BG-containing product stream;
- (b) subjecting the second bioderived 1,3-BG-containing product stream to a second column distillation procedure to remove materials with a boiling point lower than bioderived 1,3-BG, to produce a third bioderived 1,3-BG-containing product stream;
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- (c) subjecting the third bioderived 1,3-BG-containing product stream to a third column distillation procedure to remove materials with boiling points higher than bioderived 1,3-BG as a second high-boilers stream, to produce a purified bioderived 1,3-BG product.
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A system for purifying bioderived 1,3-BG, comprising:
- a first distillation column receiving a first bioderived 1,3-BG containing product stream generating a first stream of materials with boiling points higher than 1,3-BG, and a second bioderived 1,3-BG-containing product stream;
- a second distillation column receiving the second bioderived 1,3-BG-containing product stream generating a stream of materials with boiling points lower than 1,3-BG, and a third bioderived 1,3-BG-containing product stream;
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- a third distillation column receiving the third 1,3-BG-containing product stream at a feed point and generating a second stream of materials with boiling points higher than 1,3-BG, and a fourth bioderived 1,3-BG-containing product stream comprising a purified bioderived 1,3-BG product.
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Dependencies are inferred from the claim text.