Xylans Management in Eucalyptus Pulp Production

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Pulp Xylan Removal Aiming at TissueGrade Pulps• Acid treatment• DMSO• Xylanase Enzyme• Cold Caustic Extraction

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Pulp Xylan Removal Aiming at TissueGrade Pulps• Acid treatment• DMSO• Xylanase Enzyme• Cold Caustic Extraction

Cold Caustic Extraction* - Brown PulpResultsRef.NaOH, g/L10 30 50 70Xylans (%) 15.6 14.5 10.8 8.1 5.9Viscosity(dm 3 /kg)1226 1204 1245 1278 1308Kappa 16.1 15.2 13.3 10.5 7.9*30 min, 30 o C, 10% consistency.

Page 1: XylansManagement inEucalyptus PulpP
Page 6 and 7: Bleaching of CCE treated pulp with
Page 8 and 9: Capillarity Klemm
Page 10 and 11: Tensile Strength
Page 12 and 13: Special Paper ApplicationsHOH 3 COH
Page 14 and 15: Brown (BXL) and Bleached (WXL)isola
Page 16 and 17: Oxygen Delignification PerformanceK
Page 20 and 21: Xylan Stability Across the Process
Page 22 and 23: Biorefinery concept using inexpensi

Xylans Management in Eucalyptus Pulp Production

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