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Hemicelluloses for fuel ethanol: A review
July 2010
July 2010
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Abstract
Hemicelluloses currently represent the largest polysaccharide fraction wasted in most
cellulosic ethanol pilot and demonstration plants around the world. The reasons are
based on the hemicelluloses heterogeneous polymeric nature and their low fermentability
by the most common industrial microbial strains. This paper will review, in a "from
field to fuel" approach the various hemicelluloses structures present in lignocellulose,
the range of pre-treatment and hydrolysis options including the enzymatic ones, and
the role of different microbial strains on process integration aiming to reach a meaningful
consolidated bioprocessing. The recent trends, technical barriers and perspectives
of future development are highlighted.
Copyright 2010 Elsevier Ltd. All rights reserved.