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Processing of lignocellulosic biomass for xylitol production. Agricultural residues are dried and grounded to obtain coarse powder, which is treated with chemical/biological reagents to obtain hemicellulosic hydrolysate. Microorganisms ferment the hydrolysate to various byproducts such as xylitol. After fermentation, broth is treated with activated charcoal and ion exchange resins to remove the contaminants, and xylitol crystals are obtained after lyophilization of clarified broth.
