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Effect оf the Neutral-Sulphite Spent Liquor Extractives оn the Unbleached Softwood Pulp Properties

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E.V. Novozhilov

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676.16.022.168:630*866

DOI:

Abstract

Extractives from neutral-sulphite spent liquor being precipitated onto pulp thread decrease the pulp drainage. Preliminary removal of extractives from the liquor by the means of sedimentation and chemical addition is suggested. Treatment of pulp with extractives-free liquor increases pulp yield and improves its mechanical properties.

Authors

E.V. NovozhilovNorthern (Arctic) Federal University named after M.V. Lomonosov
G.P. Sukhanova, Northern State Medical University




Affiliation

1 Northern (Arctic) Federal University named after M.V. Lomonosov 2 Northern State Medical University

Keywords

Keywords:extractives, neutral-sulphite spent liquor, adsorption, pulp drainage, pulp properties.

Effect оf the Neutral-Sulphite Spent Liquor Extractives оn the Unbleached Softwood Pulp Properties

 

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