Cooking method of lignocellulosic matters for the production...

D - Textiles – Paper – 21 – C

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D21C 3/02 (2006.01) D21C 3/22 (2006.01)

Patent

CA 1144311

ABREGE DESCRIPTIF Procédé de cuisson de matériaux lignocellulosiques par chauffage desdits matériaux à 150°C - 200°C dans une lessive de cuisson contenant de la soude caustique et éventuellement un sulfure alcalin, caractérisé en ce que la lessive utilisée con- tient 0,01% à 10%, de préférence 0,05% à 2%, en poids de tétra- hydro-1,2,3,4 anthracènediol-9,10 par rapport au végétal sec.

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