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Study оf the Structure-Dimensional аnd Fundamental Properties оf Unbleached Sulphate Pulp Obtained from Normal, Dying and Dead Spruce

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G.E. Korotaev, Ju.V. Sevastyanova, N.N. Fetyukova

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UDС

676.032

DOI:

Abstract

The paper studies fundamental properties and structure-dimensional characteristics of pulp fibers obtained from healthy, dying and dead spruce growing under the same conditions. The research showed that yields of semi-finished products from dead wood are 2% lower. The basic structural and dimensional characteristics of the fibers differ only slightly; increased roughness of pulp fibers from dead wood is explained by slow progress of delignification. When using defective spruce as a raw material for pulp production, cooking modes must be optimized depending on its proportion in the raw material.

Authors

G.E. Korotaev, Ju.V. Sevastyanova, N.N. Fetyukova
Northern (Arctic) Federal University named after M.V. Lomonosov
 

Affiliation

Northern (Arctic) Federal University named after M.V. Lomonosov

Keywords

Key words: Arkhangelsk region drying forests, sulphate pulp, dead spruce wood, structure-dimensional fiber characteristics, fundamental properties of pulp.

Study оf the Structure-Dimensional аnd Fundamental Properties оf Unbleached Sulphate Pulp Obtained from Normal, Dying and Dead Spruce

 

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