Selective solvent extraction of cellulosic material

Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives

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127 37, C08B 100

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043955436

ABSTRACT:
Cellulosic products having a high hemicellulose to lignin weight ratio are obtained by extracting a cellulosic composition with basic ethanol-water solution having a pH between about 12 and about 14 at a temperature between about 15.degree. and about 70.degree. C. and for a time period between about 2 and about 80 hours.

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Ott et al., Cellulose and Cellulose Derivatives, 2nd completely revised and augmented edition, Interscience Publishers, Inc., N.Y., N.Y., pp. 488-494.

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