Behavior of Decayed Spruce (Picea abies) during Kraft Pulping

Markku Halonen; Raimo Alén

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Behavior of Decayed Spruce (Picea abies) during Kraft Pulping

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摘要

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.This is based on the fact that although the cooking yield of decayed spruce material which has been sorted according to these new recommendations is somewhat lower and Kappa number higher than those of sound wood material,the greatest part of the decayed stem(the outer part of the stem)contains long-fiber wood material which produces pulp of good quality.Therefore,large-diameter spruce logs can also be separately used,for example,in the manufacture of reinforcement pulp.

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《造纸与生物质材料：英文版》 |2020年第4期|P.1-7|共7页
作者
Markku Halonen; Raimo Alén;
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作者单位

Laboratory of Applied Chemistry Department of Chemistry University of Jyväskylä FI-40014 Finland;

Laboratory of Applied Chemistry Department of Chemistry University of Jyväskylä FI-40014 Finland;

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原文格式 PDF
正文语种 chi
中图分类造纸工业;
关键词
Norway spruce; kraft pulping; wood decay; fungal decay; soft rot;

机译：挪威云杉;牛皮纸制浆;木腐烂;真菌腐烂;软腐烂;

Behavior of Decayed Spruce (Picea abies) during Kraft Pulping

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