Science Inventory

Separation technologies for the recovery and dehydration of alcohols from fermentation broths

Citation:

VANE, L. M. Separation technologies for the recovery and dehydration of alcohols from fermentation broths. Biofuels, Bioproducts and Biorefining. Society of Chemical Industry, London, Uk, 2(6):553-588, (2008).

Impact/Purpose:

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Description:

Multi-column distillation followed by molecular sieve adsorption is currently the standard method for producing fuel grade ethanol from dilute fermentation broths in modern corn-to-ethnol facilities. As the liquid biofuels industry transitions to lignocellulosic feedstocks, expands the end product portfolio to include other alcohols, and encounters more dilute alcohol concerntrations, alternative separation technologies which are more energy efficient than the conventional approach will be in demand. In this paper, alcohol recovery technology options and alcohol dehydration technology options for the production of ethanol and 1-butanol are are reviewed and compared, with an emphasis on the energy footprint of each approach. Select hybrid technologies are also described.

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Record Details:

Record Type: DOCUMENT (JOURNAL/PEER REVIEWED JOURNAL)
Product Published Date: 10/21/2008
Record Last Revised: 11/25/2009
OMB Category: Other
Record ID: 199142

Organization:

U.S. ENVIRONMENTAL PROTECTION AGENCY

OFFICE OF RESEARCH AND DEVELOPMENT

NATIONAL RISK MANAGEMENT RESEARCH LABORATORY

SUSTAINABLE TECHNOLOGY DIVISION

CLEAN PROCESSES BRANCH