Mutagenicity of Tectona grandis Wood Extracts and Their Ability to Improve Carbohydrate Yield for Kraft Cooking Eucalyptus Wood [PDF]
Considering the toxicity of the impurities of synthesized anthraquinone, this study clarified new catalytic compounds for kraft cooking with improved carbohydrate yield and delignification and less mutagenicity, which are important for ensuring the ...
Yulia Anita +4 more
doaj +2 more sources
The Limits of Delignification in Kraft Cooking [PDF]
The perspective of the article is to explore kraft cooking at the limits of delignification, i.e. what degree of delignification is needed to obtain fibre liberation and what is the maximum degree of delignification possible in the kraft pulping stage ...
Elisabet Brännvall
doaj +3 more sources
Chemically Pretreated Densification of Juniper Wood for Potential Use in Osteosynthesis Bone Implants [PDF]
The aim of the study was to perform treatment of juniper wood to obtain wood material with a density and mechanical properties comparable to bone, thus producing a potential material for use in osteosynthesis bone implants.
Laura Andze +8 more
doaj +2 more sources
Evaluation of kraft cooking behaviour for different hardwood species [PDF]
In this study six wood species (birch, chestnut, oak, beech, poplar and eucalyptus) were analysed separately. Lignin content, Polysaccharides content (cellulose and hemicelluloses), Yield, Hexenuronic acids were evaluated for three cooking temperatures (140ºC, 150ºC and 160ºC) and different cooking times.
Margarido, Marta +3 more
openaire +3 more sources
In this study, hand sheets were made from pulp produced by the Kraft method using avocado wood. The raw materials were supplied by a fruit orchard and consisted of avocado (Persea americana Mill.) trees that had completed their useful life and were cut ...
Gülşah Altunışık Bülbül +1 more
doaj +1 more source
Comparative study of delignification efficiency and pulp yield of heart wood and sap wood of Populus deltoids by kraft and soda processes [PDF]
Comparative study of pulp yield of sap wood and heart wood of Populus deltoides under both Kraft and soda cooking process have been showed that the heart wood pulp has a lower yield than that of sap wood pulp.
Somayeh Ghasemi, Ahmad reza Saraeyan
doaj +1 more source
Effect of residual alkali level in softwood kraft cooking [PDF]
AbstractThe hypothesis was that low residual alkali after cooking would cause lignin re-precipitation during washing and in turn affect the subsequent oxygen delignification stage negatively. To test the hypothesis, kraft cooks were performed in lab-scale to different residual alkali levels, ranging from 5 to 15 g/L and the pulps were subjected to ...
Elisabet Brännvall +2 more
openaire +2 more sources
Boron Compounds-Added Kraft Pulping from Scots Pine
In this study, effects of KBH4 (PB), NaBH4 (SB), Etibor-48 (E48), Etidot-67 (E67), and colemanite (Col) on kraft pulp and paper properties of Scots pine (Pinus sylvestris L.) wood were evaluated.
Süleyman Kuştaş, Sezgin Koray Gülsoy
doaj +1 more source
Evaluating the addition of cellulose nano fibers to reinforce of high yield kraft pulp produced from P.deltoides clone 69-55 [PDF]
In this research, capacity of cellulose nanofibers to reinforce of high yield kraft pulp produced (HYKP) from Populus deltoides clone 69-55 for making unbleached top kraft liner (UTKL) was investigated.
Saleh Ghahrmani +2 more
doaj +1 more source
Modification of the lignin structure during alkaline delignification of eucalyptus wood by kraft, soda-AQ, and soda-O2 cooking [PDF]
11 páginas.-- 5 figuras.-- 4 tablas.-- 50 referencias.-- Supporting Information The general conditions for the kraft, soda-AQ, and soda-O2 alkaline cooking of eucalyptus feedstock, are shown in Table S1.
Berbís, Manuel Álvaro +9 more
core +2 more sources

