EFFECTS OF PULPING CONDITIONS ON THE BLEACHABILITY OF HARDWOOD KRAFT PULPS: 1. EFFECTS OF EFFECTIVE ALKALI CHARGE IN THE PULPING OF BIRCH AND MAPLE, 2002 Kraft Pulp Yield Anthology
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The objective of this work was to study the effects of digester alkali charge on the chlorine dioxide bleachability of hardwood kraft pulps. We prepared birch and maple pulps with unbleached kappa numbers in the 19-20 range at two effective alkali (EA) levels, 14% and 20% (Na2O).