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Adsorption equilibria of bio-based butanol solutions using zeolite

Paper ID Volume ID Publish Year Pages File Format Full-Text
4060 206 2009 5 PDF Available
Title
Adsorption equilibria of bio-based butanol solutions using zeolite
Abstract

1-Butanol can be produced by clostridial fermentations with acetone and ethanol as by-products. The butanol can be present up to ∼20 g L−1 depending on process conditions and microbial strain. The high-silica zeolite CBV28014 has been proven to adsorb butanol selective over water, while showing higher affinity for butanol than for acetone and ethanol. Multi-component acetone–butanol–ethanol (ABE) adsorption on CBV28014 has been modeled using a single site extended Langmuir adsorption model and the ideal adsorbed solution (IAS) theory model. The IAS model describes multi-component adsorption of ABE in synthetic mixtures and ABE in filtered fermentation broth by CBV28014 more accurately than the single site extended Langmuir model.

Keywords
Bioseparations; Adsorption; Bioresources; Biofuels; Butanol; Zeolite
First Page Preview
Adsorption equilibria of bio-based butanol solutions using zeolite
Publisher
Database: Elsevier - ScienceDirect
Journal: Biochemical Engineering Journal - Volume 48, Issue 1, 15 December 2009, Pages 99–103
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering