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Addition of dissolved wood components for improvement of delignification rate and pulp yield in hardwood Kraft pulping
KTH, Superseded Departments, Fibre and Polymer Technology.
KTH, Superseded Departments, Fibre and Polymer Technology.
KTH, Superseded Departments, Fibre and Polymer Technology.ORCID iD: 0000-0002-2900-4713
2004 (English)In: 2nd International Symposium on Technologies Of Pulping, Papermaking and Biotechnology on Fiber Plants, Proceedings / [ed] Jin, YC; Xie, HF, NANJING: NANJING FORESTRY UNIV , 2004, 123-126 p.Conference paper, Published paper (Refereed)
Abstract [en]

This study have investigated the effects of dissolved wood components (DWC) in the cooking liquor on the rate of delignification, pulp yield and HexA content during kraft pulping of Eucalyptus Urograndis. The cooking was carried out with and without the addition of DWC, in form of black liquor, as well as with and without the addition of a lignin-like model compound using a,. so-called constant composition cooking technique. The results show that the presence of DWC causes a rate increase in the delignification which makes it possible to reach kappa number 18 with around 40% less H-factor compared to a cook performed with a very low amount of DWC. The presence of DWC also results in a yield increase of up to two percentage units measured as lignin free yield.

Place, publisher, year, edition, pages
NANJING: NANJING FORESTRY UNIV , 2004. 123-126 p.
National Category
Chemical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-44781ISI: 000228663000024ISBN: 988-97887-7-2 (print)OAI: oai:DiVA.org:kth-44781DiVA: diva2:451254
Conference
2nd International Symposium on Technologies of Pulping, Papermaking and Biotechnology on Fiber Plants Location: Nanjing, PEOPLES R CHINA Date: OCT 13-14, 2004
Note
QC 20111025Available from: 2011-10-25 Created: 2011-10-25 Last updated: 2011-11-02Bibliographically approved

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Lindström, Mikael E.

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Sjödahl, Ragnar G.Axelsson, PatrikLindström, Mikael E.
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CiteExportLink to record
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  • apa
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Output format
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