RECOVERY OF HIGHER ALCOHOLS FROM DILUTE AQUEOUS SOLUTIONS

This invention is directed to methods for recovery of C3-C6 alcohols from dilute aqueous solutions, such as fermentation broths. Such methods provide improved volumetric productivity for the fermentation and allow recovery of the alcohol. Such methods also allow for reduced energy use in the product...

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Bibliographic Details
Main Authors HAWKINS ANDREW C, EVANKO WILLIAM A, BROTHERS MARK, EVANS KENT, ARISTIDOU ARISTOS A, DROBISH KEN, LUCAS SCOTT
Format Patent
LanguageEnglish
Published 16.05.2013
Subjects
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Summary:This invention is directed to methods for recovery of C3-C6 alcohols from dilute aqueous solutions, such as fermentation broths. Such methods provide improved volumetric productivity for the fermentation and allow recovery of the alcohol. Such methods also allow for reduced energy use in the production and drying of spent fermentation broth due to increased effective concentration of the alcohol product by the simultaneous fermentation and recovery process which increases the quantity of alcohol produced and recovered per quantity of fermentation broth dried. Thus, the invention allows for production and recovery of C3-C6 alcohols at low capital and reduced operating costs.
Bibliography:Application Number: US201213586599