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Title
Effects of kraft pulping variables on the pulp and paper properties of Acacia mangium kraft pulp
Authors
W. D. Wan Rosli I. Mazlan and K. N. Law
Received
January 6, 2009
Published
Volume 43 Issue 1-3 January-March
Keywords
kraft pulping, Acacia mangium, Kappa number, pulp yield, physical properties, Central
Abstract
The influence of the pulping variables (active alkali charge, sulfidity, temperature and pulping time) on the pulp yield, Kappa number and strength properties of Acacia mangium kraft pulp was examined. The dissolution of wood components was seen as particularly sensitive to the variations produced in active alkali charge and cooking temperature. To optimize the process, one may use either high doses of chemicals (active alkali and sulfidity), as well as low temperature and short cooking time, or vice versa. When beaten to a freeness of 500 mL and a 50% yield, the Kraft pulp from A. mangium evidenced excellent physical properties.
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