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US 6,872,316 B2Granted
Recovery of xylose
AssigneeDanisco Sweeteners Oy
InventorsHeikki Heikkilä, Mika Mänttäri, Mirja Lindroos, Marianne Nyström
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Abstract
The invention relates to a process of producing a xylose solution from a biomass hydrolysate by subjecting the biomass hydrolysate to nanofiltration and recovering as the nanofiltration permeate a solution enriched in xylose. The biomass hydrolysate used as starting material is typically a spent liquor obtained from a pulping process.
Claims50
A process of producing a xylose solution from a hydrolysate of a xylan-containing vegetable material comprising subjecting said hydrolysate to nanofiltration and recovering as a nanofiltration permeate a solution enriched in xylose.
Dependencies are inferred from the claim text.