Results 51 to 60 of about 6,042 (233)
From Hemp Bast to Lyocell Fiber: Sustainable Process Optimization for Lyocell‐Grade Dissolving Pulp
Journal of Applied Polymer Science, Volume 143, Issue 16, April 20, 2026.This study presents a sustainable method to produce lyocell‐grade dissolving pulp from Canadian hemp bast fibers. A simplified alkali‐chelation‐bleaching process, free from sulfur and chlorine, yielded high α‐cellulose pulp with low lignin and hemicellulose content. The pulp was successfully spun into continuous hemp‐based lyocell fibers, demonstrating
Md Abu Sayed +8 more
wiley +1 more source
BioResources, 2008 This paper presents a preliminary study for the production of dissolving pulp from Trema orientalis (Nalita). Water prehydrolysis kraft and soda-ethylenediamine (EDA) pulping for the production of dissolving pulp from T.
M. A. Quaiyyum +3 more
doaj
Thermal Stabilization of Chitosan Yarn for Carbon Fiber Production
Journal of Applied Polymer Science, Volume 143, Issue 13, April 5, 2026.This study explores chitosan, a biopolymer derived from chitin, as a renewable precursor for carbon fiber production. The authors demonstrate that chitosan fibers can be successfully stabilized under controlled thermal conditions in air and nitrogen.
Irina Kuznik +4 more
wiley +1 more source
Anti-scaling agents in kraft pulping
BioResources, 2007 Scale formation in the digester during kraft pulping represents a great problem in pulp mills. Scaling reduces pulping control and efficiency, increasing energy costs and leading to cleaning breakdowns, with subsequent losses in productivity.
Felissia, F. E. +3 more
doaj
Thermal and Alkali Stability of Sodium Dithionite Studied Using ATR-FTIR Spectroscopy
BioResources, 2017 Sodium dithionite (Na2S2O4) may have the potential to be used as a reducing agent for the stabilization of glucomannan in kraft cooking for increased pulp yield.
Vijaya Lakshmi Vegunta +3 more
doaj +1 more source
Revisiting acidulation for tall oil and lignin manufacturing
The Canadian Journal of Chemical Engineering, Volume 104, Issue 4, Page 1677-1691, April 2026.Abstract Tall oil is a byproduct of the kraft pulping process when softwood is used as raw material. As the production of softwood‐based pulp is in high demand, the optimization of the tall oil production process needs to be revisited to ensure the highest quality and quantity of tall oil manufacturing. In this work, the process for tall oil production
Thomas Aro, Weijue Gao, Pedram Fatehi
wiley +1 more source
Revista Árvore, 2004 Problemas de deposição de "pitch" em fábricas de celulose e de papel são atribuídos aos extrativos lipofílicos existentes na madeira. Uma das maneiras mais eficientes de controlar essa deposição é através da remoção de seus precursores do sistema, logo ...
Deusanilde de Jesus Silva +2 more
doaj +1 more source
Chip-Handling and Kraft Pulping.
JAPAN TAPPI JOURNAL, 1996 パルプ原材料の96%を占めるチップの現状と購入チップの受け入れ設備及び貯蔵施設に触れた後, KP蒸解反応と連続蒸解設備の改良について, 反応速度論の立場から解説した。脱リグニン反応速度と炭水化物の崩壊反応速度をチップ厚さの影響なども含め説明し, 時間, 温度, アルカリ濃度, 硫化度及びチップ厚さの5因子を入れた蒸解反応速度式をアルレニウスの式に基づいた実験式として紹介した。さらに蒸解の目的がパルプ成分である炭水化物をできるだけ多く残し, リグニンの残留量を少なくすることから.反応が選択的になり得るための望ましい蒸解反応条件を探るために蒸解反応の選択性とシミュレーションによる最適化を解説した。すなわち, 得られた実験式に各種蒸解条件を入れて数値計算し ...
openaire +2 more sources
Polymer Composites, Volume 47, Issue 5, Page 3983-3993, 10 March 2026.Lignin dispersion in carboxylated nitrile rubber (XNBR) is enhanced at 7% carboxylic acid, significantly improving the composite's compressive mechanical performance for sealing applications. ABSTRACT Lignin is a promising biobased material that enhances the sustainability of rubber composites as a reinforcing filler.
Gustavo Ninho Campos +6 more
wiley +1 more source
INCORPORATION OF BARK AND TOPS IN EUCALYPTUS GLOBULUS WOOD PULPING
BioResources, 2012 Bark and the tops of E. globulus trees were considered for kraft pulping under industrial conditions. Pulping experiments included wood, bark, tops, and composite samples. Top wood had an average chemical composition most similar to that of wood but with
Isabel Miranda, +2 more
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