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<正>Behavior of Decayed Spruce (Picea abies) during Kraft Pulping Markku Halonen Raimo Alén*Laboratory of Applied Chemistry,Department of Chemistry,University of Jyv?skyl?,FI-40014,Finland(*E-mail:raimo.j.alen@jyu.fi)Abstract:This study indicated that by applying an improved classification system to decayed large-diameter Norway spruce(Picea abies)wood,its use as raw material for kraft pulping without loss of pulp quality could be essentially increased.
