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A sustainable analysis of sulphonic acid content in CTMP pulps
Mid Sweden University, Faculty of Science, Technology and Media, Department of Chemical Engineering. (High yield pulping technology, FSCN)
Mid Sweden University, Faculty of Science, Technology and Media, Department of Chemical Engineering. (High yield pulping technology, FSCN)
Mid Sweden University, Faculty of Science, Technology and Media, Department of Chemical Engineering. (High yield pulping technology, FSCN)
2014 (English)In: International Mechanical Pulping Conference, IMPC 2014, part of PulPaper 2014 Conference, Espoo: Paper Engineers' Association (PI) , 2014Conference paper, Published paper (Other academic)
Abstract [en]

Sulphonic acid analyses were performed on wing refiner chemithermomechanical pulps, low sulphite charge pulps, thermomechanical pulps and on wood samples using a new method referred to as the niacin method. This method gives sulphonic acid content comparable to those estimated with the quinoline method or the Schoniger method. The method gives low interference with carboxylic acids and dissolved substances in the pulp if the pH is kept sufficiently low and the pulp is well washed.

Place, publisher, year, edition, pages
Espoo: Paper Engineers' Association (PI) , 2014.
National Category
Chemical Engineering
Identifiers
URN: urn:nbn:se:miun:diva-23871Scopus ID: 2-s2.0-84923974401ISBN: 978-000000000-2 (print)OAI: oai:DiVA.org:miun-23871DiVA: diva2:772894
Conference
International Mechanical Pulping Conference, IMPC 2014; Helsinki; Finland; 2 June 2014 through 5 June 2014; Code 109275
Funder
Knowledge Foundation
Available from: 2014-12-17 Created: 2014-12-17 Last updated: 2016-12-30Bibliographically approved

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