Wheat Straw Pulp Fractions and Their Impact for the Properties of Mechanical Pulp, 2001 Pulping Conference Proceedings

S. Vichnevsky, W. Chute--Wheat straw alkaline peroxide mechanical pulp (APMP) was fractionated by screening to obtain four different pulp fractions. Physical properties of the individual fractions and their blends were evaluated for their contribution to the resultant pulp properties. Distribution of the chemical components such as lignin, alpha-cellulose, hemicelluloses and silica, between the fractions was estimated. Cell type identification of the wheat straw pulp fractions was also done.

Of the four fractions of the wheat straw APMP, the middle and the short fractions, consisting mostly of true fibers, have the best impact for handsheet strength properties. The long fraction is responsible for the high bulk and shive content of the pulp. The fines fraction, containing ~ 60 % of total silica, is beneficial for the opacity of the pulp.

Author: Vichnevsky, S., Chute, W.
Wheat Straw Pulp Fractions and Their Impact for the Properti
Wheat Straw Pulp Fractions and Their Impact for the Properties of Mechanical Pulp, 2001 Pulping Conference Proceedings
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