Ander, Paul
- Institutionen för skogens produkter, Sveriges lantbruksuniversitet
Sammanfattning
The HCl method was used to compare pine and spruce TMP pulps. Delignification gave much stronger fibre cleavage by HCl (3.5-5x for Stage 3) indicating that lignin and hemicelluloses protect the fibres from acid attack. Cleavage per fibre for TMP was similar as kraft pulps, while spruce TMP was more sensitive to HCl than pine TMP. A more robust secondary wall and a lower number of dislocations and weak points may be related to the higher refining energy needed for pine TMP pulps
Nyckelord
Thermomecahnical pulp; Scots pine; Norway spruce; HCL method; refining; dislocations
Publicerad i
SPCI meddelande / The Swedish Association of Pulp and Paper Engineers
2009, sidor: 322-324
Titel: Proceedings of International Mecahnical Pulping Conference, Södra Berget, Sundsvall
Utgivare: SPCI, The Swedish Association of Pulp and Paper Engineers
Konferens
Proceedings of International Mechanical Pulping Conference, Södra Berget, Sundsvall
SLU författare
Daniel, Geoffrey
- Institutionen för skogens produkter, Sveriges lantbruksuniversitet
- Institutionen för skogens produkter, Sveriges lantbruksuniversitet
UKÄ forskningsämne
Skogsvetenskap
Permanent länk till denna sida (URI)
https://res.slu.se/id/publ/25617