Hemicelluloses are released into process liquors in a range of wood and plant processing operations and their recovery, modification and materials utilization would be highly beneficial from an economical and sustainability standpoint.  We recover hemicellulose-rich wood hydrolysates from pre-hydrolysis in an approach including the steps of high-temperature water treatment and subsequent fractionation. To enable future implementation, the process is also applied to pilot scale and the parameters that govern the yield of a useful product are tuned. The hemicellulose-rich fractions are used in the formulation of bulk and higher value applications. With very low oxygen permeability also at high relative humidities, these wood hydrolysates stand out as very promising raw materials for barrier films and coatings production.

Hemicellulose-rich materials derived from wood pre-hydrolysis

247th National Meeting (2014)

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