DSM says it is starting to market a highly efficient process for generating biofuels from cellulosic materials including wood chips and agricultural residues. The technology features a pre-treatment phase, an enzymatic step to convert woody material to C5 and C6 sugars, and a yeast fermentation step for converting C5 and C6 sugars into bioethanol. The first process step features a high temperature pre-treatment of biomass. This immediately liberates C5 sugars and the remaining cellulose - the source of C6 sugars - is made available for enzymatic...
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