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Minlan Li, Mutombo Muvundamina
Pulp fractionationis not a new term in the pulp and paper industry. However, most of the past investigations were directed toward the classification of the pulp fibers based on their physical dimensions. The present investigation describes a method of segregating mixtures of wood pulp fibers into their mechanical and chemical pulp fractions. The technique is based on the exploitationof the differences in surface morphology and wetting characteristics which exist between mechanical and chemical pulps. The differences in properties were enhanced by adsorbing surfactants on the surface of the fibers to modify their behavior in the pulp slurry, and then selectively separate them into various fractions by flotation.
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Available for Purchase – Conference Proceedings
TAPPI maintains a record of key conference papers, presentations, and other conference publications, available for purchase in a variety of formats.
Fractionation of Recycled Pulp Obtained from Mixed Paper, 1994 Recycling Symposium Proceedings